#1D2A83#1D2A83

#1D2A83 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.149 H 269.8°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A83
RGB	rgb(29, 42, 131)
HSL	hsl(232, 64%, 31%)
HSV	hsv(232, 78%, 51%)
CMYK	cmyk(77.9%, 67.9%, 0%, 48.6%)
CIE-LAB	lab(22.14, 28.16, -51.36)
CIE-LCH	lch(22.14, 58.58, 298.74°)
OKLab	oklab(34.01% -0.0006 -0.1486)
OKLCH	oklch(34.01% 0.149 269.8)
XYZ	xyz(5.4300, 3.5552, 21.8684)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A83 #83761D

analogous

#1D5D83 #1D2A83 #431D83

triadic

#1D2A83 #831D2A #2A831D

tetradic

#1D2A83 #831D5D #83761D #1D8343

square

#1D2A83 #831D5D #83761D #1D8343

split-complementary

#1D2A83 #83431D #5D831D

monochromatic

#070A1F #121A51 #1D2A83 #283AB5 #4557D6

Accessibility & contrast

On white

12.27

#1D2A83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1D2A83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A83

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A83	#FFFFFF	#000000	##FFFFFF
##1D2A83	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A86

Deuteranopia (green-blind)

#003081

Tritanopia (blue-blind)

#004252

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2a83;
/* rgb */ color: rgb(29, 42, 131);
/* oklch */ color: oklch(34.0% 0.149 269.8);

Tailwind

colors: {
  custom: {
    50: '#6b63a8',
    500: '#1d2a83',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a83;
$custom-light: #6b63a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a83",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 131
  },
  "hsl": {
    "h": 232.353,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34008,
    "c": 0.14858,
    "h": 269.8
  },
  "luminance": 0.03556
}

Semantic roles & 50–950 ramp

primary

#1D2A83

secondary

#B6A846

accent

#D241E7

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1D2A83

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

Preview Lab → · Contrast checker → · Palette generator →