#1D1988#1D1988

#1D1988 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.173 H 272.2°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#1D1988
RGB	rgb(29, 25, 136)
HSL	hsl(242, 69%, 32%)
HSV	hsv(242, 82%, 53%)
CMYK	cmyk(78.7%, 81.6%, 0%, 46.7%)
CIE-LAB	lab(18.94, 40.37, -59.78)
CIE-LCH	lch(18.94, 72.13, 304.03°)
OKLab	oklab(31.88% 0.0068 -0.173)
OKLCH	oklch(31.88% 0.173 272.2)
XYZ	xyz(5.2968, 2.7335, 23.5362)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1988 #848819

analogous

#194D88 #1D1988 #551988

triadic

#1D1988 #881D19 #19881D

tetradic

#1D1988 #88194D #848819 #198855

square

#1D1988 #88194D #848819 #198855

split-complementary

#1D1988 #885519 #4D8819

monochromatic

#070621 #120F54 #1D1988 #2823BC #4540DC

Accessibility & contrast

On white

13.58

#1D1988 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1D1988 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1988

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1988	#FFFFFF	#000000	##FFFFFF
##1D1988	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338B

Deuteranopia (green-blind)

#002886

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d1988;
/* rgb */ color: rgb(29, 25, 136);
/* oklch */ color: oklch(31.9% 0.173 272.2);

Tailwind

colors: {
  custom: {
    50: '#6e59ac',
    500: '#1d1988',
    950: '#000000',
  },
}

SCSS

$custom: #1d1988;
$custom-light: #6e59ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1988",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 136
  },
  "hsl": {
    "h": 242.162,
    "s": 68.944,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31882,
    "c": 0.17315,
    "h": 272.2
  },
  "luminance": 0.02734
}

Semantic roles & 50–950 ramp

primary

#1D1988

secondary

#B7BB41

accent

#EC3CE5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1D1988

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

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