#1D1981#1D1981

#1D1981 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.0% C 0.164 H 272.9°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#1D1981
RGB	rgb(29, 25, 129)
HSL	hsl(242, 68%, 30%)
HSV	hsv(242, 81%, 51%)
CMYK	cmyk(77.5%, 80.6%, 0%, 49.4%)
CIE-LAB	lab(18.10, 38.02, -56.76)
CIE-LCH	lch(18.10, 68.31, 303.82°)
OKLab	oklab(31.05% 0.0084 -0.1642)
OKLCH	oklch(31.05% 0.164 272.9)
XYZ	xyz(4.8154, 2.5409, 21.0013)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1981 #7D8119

analogous

#194981 #1D1981 #511981

triadic

#1D1981 #811D19 #19811D

tetradic

#1D1981 #811949 #7D8119 #198151

square

#1D1981 #811949 #7D8119 #198151

split-complementary

#1D1981 #815119 #498119

monochromatic

#06051A #110F4E #1D1981 #2923B4 #413BD9

Accessibility & contrast

On white

13.92

#1D1981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1D1981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1981

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1981	#FFFFFF	#000000	##FFFFFF
##1D1981	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003184

Deuteranopia (green-blind)

#00277F

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1d1981;
/* rgb */ color: rgb(29, 25, 129);
/* oklch */ color: oklch(31.0% 0.164 272.9);

Tailwind

colors: {
  custom: {
    50: '#6c58a7',
    500: '#1d1981',
    950: '#000000',
  },
}

SCSS

$custom: #1d1981;
$custom-light: #6c58a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1981",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 129
  },
  "hsl": {
    "h": 242.308,
    "s": 67.532,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31049,
    "c": 0.16445,
    "h": 272.9
  },
  "luminance": 0.02541
}

Semantic roles & 50–950 ramp

primary

#1D1981

secondary

#B1B541

accent

#EA3DE4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1D1981

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

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