#1D3161#1D3161

#1D3161 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.5% C 0.089 H 264.9°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D3161
RGB	rgb(29, 49, 97)
HSL	hsl(222, 54%, 25%)
HSV	hsv(222, 70%, 38%)
CMYK	cmyk(70.1%, 49.5%, 0%, 62%)
CIE-LAB	lab(21.28, 9.69, -30.93)
CIE-LCH	lch(21.28, 32.42, 287.39°)
OKLab	oklab(32.48% -0.0079 -0.0885)
OKLCH	oklch(32.48% 0.089 264.9)
XYZ	xyz(3.7619, 3.3205, 11.7496)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3161 #614D1D

analogous

#1D5361 #1D3161 #2B1D61

triadic

#1D3161 #611D31 #31611D

tetradic

#1D3161 #611D53 #614D1D #1D612B

square

#1D3161 #611D53 #614D1D #1D612B

split-complementary

#1D3161 #612B1D #53611D

monochromatic

#070C18 #0F1932 #1D3161 #2B4990 #3961BF

Accessibility & contrast

On white

12.62

#1D3161 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1D3161 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3161

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3161	#FFFFFF	#000000	##FFFFFF
##1D3161	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193663

Deuteranopia (green-blind)

#0C3060

Tritanopia (blue-blind)

#003C44

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d3161;
/* rgb */ color: rgb(29, 49, 97);
/* oklch */ color: oklch(32.5% 0.089 264.9);

Tailwind

colors: {
  custom: {
    50: '#61688e',
    500: '#1d3161',
    950: '#000000',
  },
}

SCSS

$custom: #1d3161;
$custom-light: #61688e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3161",
  "rgb": {
    "r": 29,
    "g": 49,
    "b": 97
  },
  "hsl": {
    "h": 222.353,
    "s": 53.968,
    "l": 24.706
  },
  "oklch": {
    "l": 0.32477,
    "c": 0.08885,
    "h": 264.9
  },
  "luminance": 0.03321
}

Semantic roles & 50–950 ramp

primary

#1D3161

secondary

#967E44

accent

#B24ADD

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1D3161

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

Preview Lab → · Contrast checker → · Palette generator →