#1D1863#1D1863

#1D1863 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.5% C 0.126 H 277.1°. Best body text is #FFFFFF at 15.41:1 contrast (WCAG AA passes).

Color values

HEX	#1D1863
RGB	rgb(29, 24, 99)
HSL	hsl(244, 61%, 24%)
HSV	hsv(244, 76%, 39%)
CMYK	cmyk(70.7%, 75.8%, 0%, 61.2%)
CIE-LAB	lab(14.49, 28.09, -43.30)
CIE-LCH	lch(14.49, 51.61, 302.97°)
OKLab	oklab(27.48% 0.0156 -0.125)
OKLCH	oklch(27.48% 0.126 277.1)
XYZ	xyz(3.0847, 1.8151, 11.9897)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1863 #5E6318

analogous

#183963 #1D1863 #431863

triadic

#1D1863 #631D18 #18631D

tetradic

#1D1863 #631839 #5E6318 #186343

square

#1D1863 #631839 #5E6318 #186343

split-complementary

#1D1863 #634318 #396318

monochromatic

#070619 #0F0C32 #1D1863 #2B2494 #3A30C6

Accessibility & contrast

On white

15.41

#1D1863 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1D1863 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1863

15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1863	#FFFFFF	#000000	##FFFFFF
##1D1863	1.00	15.41	1.36	15.41
#FFFFFF	15.41	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002865

Deuteranopia (green-blind)

#002162

Tritanopia (blue-blind)

#002D3B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d1863;
/* rgb */ color: rgb(29, 24, 99);
/* oklch */ color: oklch(27.5% 0.126 277.1);

Tailwind

colors: {
  custom: {
    50: '#645690',
    500: '#1d1863',
    950: '#000000',
  },
}

SCSS

$custom: #1d1863;
$custom-light: #645690;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1863",
  "rgb": {
    "r": 29,
    "g": 24,
    "b": 99
  },
  "hsl": {
    "h": 244,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.2748,
    "c": 0.12601,
    "h": 277.1
  },
  "luminance": 0.01815
}

Semantic roles & 50–950 ramp

primary

#1D1863

secondary

#93993E

accent

#E444D9

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #1D1863

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

Preview Lab → · Contrast checker → · Palette generator →