#1D1D87#1D1D87

#1D1D87 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.168 H 271.9°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D1D87
RGB	rgb(29, 29, 135)
HSL	hsl(240, 65%, 32%)
HSV	hsv(240, 79%, 53%)
CMYK	cmyk(78.5%, 78.5%, 0%, 47.1%)
CIE-LAB	lab(19.59, 37.82, -58.08)
CIE-LCH	lch(19.59, 69.31, 303.07°)
OKLab	oklab(32.3% 0.0055 -0.1681)
OKLCH	oklch(32.3% 0.168 271.9)
XYZ	xyz(5.3178, 2.8886, 23.1943)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1D87 #87871D

analogous

#1D5287 #1D1D87 #521D87

triadic

#1D1D87 #871D1D #1D871D

tetradic

#1D1D87 #871D52 #87871D #1D8752

square

#1D1D87 #871D52 #87871D #1D8752

split-complementary

#1D1D87 #87521D #52871D

monochromatic

#070722 #121255 #1D1D87 #2828B9 #4747D7

Accessibility & contrast

On white

13.31

#1D1D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1D1D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1D87

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1D87	#FFFFFF	#000000	##FFFFFF
##1D1D87	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358A

Deuteranopia (green-blind)

#002A85

Tritanopia (blue-blind)

#003D51

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d1d87;
/* rgb */ color: rgb(29, 29, 135);
/* oklch */ color: oklch(32.3% 0.168 271.9);

Tailwind

colors: {
  custom: {
    50: '#6d5bab',
    500: '#1d1d87',
    950: '#000000',
  },
}

SCSS

$custom: #1d1d87;
$custom-light: #6d5bab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1d87",
  "rgb": {
    "r": 29,
    "g": 29,
    "b": 135
  },
  "hsl": {
    "h": 240,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32303,
    "c": 0.16822,
    "h": 271.9
  },
  "luminance": 0.02889
}

Semantic roles & 50–950 ramp

primary

#1D1D87

secondary

#B9B946

accent

#E840E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D1D87

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

Preview Lab → · Contrast checker → · Palette generator →