Blue 700
blue-700 · #1D4ED8
HEX
#1D4ED8
RGB
rgb(29, 78, 216)
CMYK
cmyk(87%, 64%, 0%, 15%)
HSL
hsl(224, 76%, 48%)
LAB
lab(39.0, 36.8, -74.6)
What is Blue 700?
Blue 700 is the blue-700 reference in the Tailwind CSS palette. Its sRGB value is #1D4ED8 (rgb 29, 78, 216). It sits in the blue family. The default color palette shipped with Tailwind CSS v3 by Tailwind Labs. 22 color families across 11 lightness steps (50 to 950). See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Blue 700 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Blue 700
An 11-step tonal scale derived from Blue 700 (#1D4ED8). 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
#EDF1FC
#EDF1FC
100
#DBE3F9
#DBE3F9
200
#B7C6F3
#B7C6F3
300
#8EA7EC
#8EA7EC
400
#567AE2
#567AE2
500
#1D4ED8
#1D4ED8
600
#1942B8
#1942B8
700
#13338C
#13338C
800
#0D2361
#0D2361
900
#071436
#071436
950
#03091A
#03091A
Lighter tints (mixed with white)
15%
#6F80DE
30%
#97A0E5
45%
#B4BAEB
60%
#CCD0F0
75%
#E1E3F6
Darker shades (mixed with black)
15%
#1A48C9
30%
#1741B8
45%
#143AA5
60%
#0F318F
75%
#0A2673
Color harmonies for Blue 700
Classic color-theory harmonies derived from rotating the hue of Blue 700. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#1D4ED8
#1D4ED8
#D7A61D
#D7A61D
Triadic
Three colors 120° apart
#1D4ED8
#1D4ED8
#D71D4F
#D71D4F
#4FD71D
#4FD71D
Analogous
Two neighbors ±30° on the wheel
#1DACD7
#1DACD7
#1D4ED8
#1D4ED8
#491DD7
#491DD7
Split-complementary
Base + two colors flanking its complement
#1D4ED8
#1D4ED8
#D7491D
#D7491D
#ACD71D
#ACD71D
Tetradic
Two complementary pairs
#1D4ED8
#1D4ED8
#A61DD7
#A61DD7
#D7A61D
#D7A61D
#4FD71D
#4FD71D
Square
Four colors evenly spaced 90° apart
#1D4ED8
#1D4ED8
#D71DAC
#D71DAC
#D7A61D
#D7A61D
#1DD749
#1DD749
Blue 700 in every color space
Full conversion of Blue 700 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
#1D4ED8
RGB
rgb(29, 78, 216)
CMYK
cmyk(87%, 64%, 0%, 15%)
HSL
hsl(224, 76%, 48%)
HSV
hsv(224, 87%, 85%)
HWB
hwb(224 11% 15%)
CIE Lab
lab(39.0 36.8 -74.6)
OKLCH
oklch(48.8% 0.217 264.4)
XYZ (D65)
xyz(15.62, 10.67, 66.19)
Copy-ready code for Blue 700
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: #1D4ED8;
background-color: #1D4ED8;CSS variable
:root {
--color-blue-700: #1D4ED8;
}Tailwind config
// tailwind.config.js
colors: {
'blue-700': '#1D4ED8',
}Sass
$color-blue-700: #1D4ED8;Swift UIColor
UIColor(red: 0.114, green: 0.306, blue: 0.847, alpha: 1.0)Android XML
<color name="blue-700">#1D4ED8</color>Closest match in every color system
The nearest Blue 700 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 Tailwind CSS palette
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 5007
#3E5F8A
Brilliant blue
RAL 5023
#49678D
Distant blue
RAL 5019
#1B5583
Capri blue
RAL 5000
#354D73
Violet blue
RAL 5015
#2271B3
Sky blue
RAL 5017
#063971
Traffic blue
FAQ about Blue 700
What is the HEX code for Blue 700?
Blue 700 (blue-700) has the HEX code #1D4ED8. In RGB it is rgb(29, 78, 216), and in CMYK it is cmyk(87%, 64%, 0%, 15%).
What is the OKLCH value of Blue 700?
Blue 700 converts to oklch(0.488 0.217 264.4). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Blue 700 accessible for body text?
Used as a background, Blue 700 has a contrast ratio of 3.13:1 with black text and 6.70:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use white text and verify in real UI context.
What is the closest Pantone to Blue 700?
The closest Pantone reference to Blue 700 by ΔE2000 perceptual distance is Pantone 2728 C (#0047BB). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Blue 700?
The closest RAL Classic reference to Blue 700 by ΔE2000 distance is RAL 5007 (Brilliant blue, #3E5F8A). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Blue 700?
The complementary color (180° opposite on the HSL color wheel) of Blue 700 is #D7A61D. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
Tailwind CSS default palette (v3)
The default color palette shipped with Tailwind CSS v3 by Tailwind Labs Inc. Use as a reference for design tokens, web color systems, and Tailwind-based design conversations. Names like 'blue-500' are the project's own naming convention.
- Source type
- derived
- Confidence
- high
- License
- MIT
- Last reviewed
- 2026-05-24
Workflow tags
Tailwind palette values are designed for digital interfaces under sRGB. For print, convert to a process-appropriate value and proof against the substrate; do not rely on sRGB CMYK conversion for color-critical print work.