Sienna1
sienna1 · #FF8247
HEX
#FF8247
RGB
rgb(255, 130, 71)
CMYK
cmyk(0%, 49%, 72%, 0%)
HSL
hsl(19, 100%, 64%)
LAB
lab(67.8, 43.5, 52.5)
What is Sienna1?
Sienna1 is the sienna1 reference in the X11 named colors. Its sRGB value is #FF8247 (rgb 255, 130, 71). It sits in the orange family. Historical X Window System color names — the numbered 1-4 lightness variants of the classic xorg-server rgb.txt palette. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Sienna1 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Sienna1
An 11-step tonal scale derived from Sienna1 (#FF8247). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.
50
#FFF5F0
#FFF5F0
100
#FFEBE2
#FFEBE2
200
#FFD7C4
#FFD7C4
300
#FFC1A3
#FFC1A3
400
#FFA175
#FFA175
500
#FF8247
#FF8247
600
#D96F3C
#D96F3C
700
#A6552E
#A6552E
800
#733B20
#733B20
900
#402112
#402112
950
#1F1009
#1F1009
Lighter tints (mixed with white)
15%
#FF9E7D
30%
#FFB49E
45%
#FFC7B9
60%
#FFD8CF
75%
#FFE8E3
Darker shades (mixed with black)
15%
#ED7941
30%
#DA6E3B
45%
#C46234
60%
#AA542C
75%
#894322
Color harmonies for Sienna1
Classic color-theory harmonies derived from rotating the hue of Sienna1. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#FF8247
#FF8247
#47C5FF
#47C5FF
Triadic
Three colors 120° apart
#FF8247
#FF8247
#47FF82
#47FF82
#8247FF
#8247FF
Analogous
Two neighbors ±30° on the wheel
#FF4769
#FF4769
#FF8247
#FF8247
#FFDD47
#FFDD47
Split-complementary
Base + two colors flanking its complement
#FF8247
#FF8247
#47FFDD
#47FFDD
#4769FF
#4769FF
Tetradic
Two complementary pairs
#FF8247
#FF8247
#C5FF47
#C5FF47
#47C5FF
#47C5FF
#8247FF
#8247FF
Square
Four colors evenly spaced 90° apart
#FF8247
#FF8247
#69FF47
#69FF47
#47C5FF
#47C5FF
#DD47FF
#DD47FF
Sienna1 in every color space
Full conversion of Sienna1 across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.
HEX
#FF8247
RGB
rgb(255, 130, 71)
CMYK
cmyk(0%, 49%, 72%, 0%)
HSL
hsl(19, 100%, 64%)
HSV
hsv(19, 72%, 100%)
HWB
hwb(19 28% 0%)
CIE Lab
lab(67.8 43.5 52.5)
OKLCH
oklch(73.9% 0.169 44.2)
XYZ (D65)
xyz(50.36, 37.69, 10.58)
Copy-ready code for Sienna1
Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.
CSS
color: #FF8247;
background-color: #FF8247;CSS variable
:root {
--color-sienna1: #FF8247;
}Tailwind config
// tailwind.config.js
colors: {
'sienna1': '#FF8247',
}Sass
$color-sienna1: #FF8247;Swift UIColor
UIColor(red: 1.000, green: 0.510, blue: 0.278, alpha: 1.0)Android XML
<color name="sienna1">#FF8247</color>Closest match in every color system
The nearest Sienna1 equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.
Closest in X11 named colors
Top 6 ΔE2000-closest entries within the same collection.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 2003
#FF7514
Pastel orange
RAL 2011
#EC7C26
Deep orange
RAL 2008
#F75E25
Bright red orange
RAL 2000
#ED760E
Yellow orange
RAL 2004
#F44611
Pure orange
RAL 3012
#C1876B
Beige red
FAQ about Sienna1
What is the HEX code for Sienna1?
Sienna1 (sienna1) has the HEX code #FF8247. In RGB it is rgb(255, 130, 71), and in CMYK it is cmyk(0%, 49%, 72%, 0%).
What is the OKLCH value of Sienna1?
Sienna1 converts to oklch(0.739 0.169 44.2). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Sienna1 accessible for body text?
Used as a background, Sienna1 has a contrast ratio of 8.54:1 with black text and 2.46:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.
What is the closest Pantone to Sienna1?
The closest Pantone reference to Sienna1 by ΔE2000 perceptual distance is Pantone 1585 C (#FF7F32). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Sienna1?
The closest RAL Classic reference to Sienna1 by ΔE2000 distance is RAL 2003 (Pastel orange, #FF7514). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Sienna1?
The complementary color (180° opposite on the HSL color wheel) of Sienna1 is #47C5FF. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
X11 named colors (xorg rgb.txt)
The historical X11 color name list shipped in the xorg-server rgb.txt file. Roughly 550 entries covering classic computing color names like 'PapayaWhip', 'MediumAquamarine', and 'DarkSlateGray'. Many CSS named colors originate here. Use as a reference for legacy and creative color names. Most modern CSS implementations accept these names directly.
- Source type
- derived
- Confidence
- high
- License
- MIT/X11 license (X Consortium)
- Last reviewed
- 2026-05-24
Workflow tags
X11 colors are sRGB digital values from a 1980s color system. For print, convert to a process-appropriate color and proof against substrate.