#1D2A74#1D2A74

#1D2A74 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.5% C 0.127 H 270.0°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A74
RGB	rgb(29, 42, 116)
HSL	hsl(231, 60%, 28%)
HSV	hsv(231, 75%, 45%)
CMYK	cmyk(75%, 63.8%, 0%, 54.5%)
CIE-LAB	lab(20.74, 22.33, -44.13)
CIE-LCH	lch(20.74, 49.45, 296.84°)
OKLab	oklab(32.55% 0.0001 -0.1274)
OKLCH	oklch(32.55% 0.127 270)
XYZ	xyz(4.4860, 3.1776, 16.8965)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A74 #74671D

analogous

#1D5574 #1D2A74 #3B1D74

triadic

#1D2A74 #741D2A #2A741D

tetradic

#1D2A74 #741D55 #74671D #1D743B

square

#1D2A74 #741D55 #74671D #1D743B

split-complementary

#1D2A74 #743B1D #55741D

monochromatic

#060918 #111843 #1D2A74 #293CA5 #3D53CE

Accessibility & contrast

On white

12.84

#1D2A74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1D2A74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A74

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A74	#FFFFFF	#000000	##FFFFFF
##1D2A74	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003676

Deuteranopia (green-blind)

#002E73

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d2a74;
/* rgb */ color: rgb(29, 42, 116);
/* oklch */ color: oklch(32.5% 0.127 270.0);

Tailwind

colors: {
  custom: {
    50: '#67639d',
    500: '#1d2a74',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a74;
$custom-light: #67639d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a74",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 116
  },
  "hsl": {
    "h": 231.034,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.32546,
    "c": 0.12739,
    "h": 270
  },
  "luminance": 0.03178
}

Semantic roles & 50–950 ramp

primary

#1D2A74

secondary

#A89945

accent

#CB45E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2A74

Body copy rendered with the generated semantic roles for this colour.

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