#1D3261#1D3261

#1D3261 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.7% C 0.087 H 264.1°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D3261
RGB	rgb(29, 50, 97)
HSL	hsl(221, 54%, 25%)
HSV	hsv(221, 70%, 38%)
CMYK	cmyk(70.1%, 48.5%, 0%, 62%)
CIE-LAB	lab(21.60, 8.97, -30.43)
CIE-LCH	lch(21.60, 31.73, 286.43°)
OKLab	oklab(32.72% -0.009 -0.087)
OKLCH	oklch(32.72% 0.087 264.1)
XYZ	xyz(3.8042, 3.4051, 11.7637)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3261 #614C1D

analogous

#1D5461 #1D3261 #2A1D61

triadic

#1D3261 #611D32 #32611D

tetradic

#1D3261 #611D54 #614C1D #1D612A

square

#1D3261 #611D54 #614C1D #1D612A

split-complementary

#1D3261 #612A1D #54611D

monochromatic

#070C18 #0F1A32 #1D3261 #2B4A90 #3963BF

Accessibility & contrast

On white

12.49

#1D3261 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D3261 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3261

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3261	#FFFFFF	#000000	##FFFFFF
##1D3261	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3763

Deuteranopia (green-blind)

#0F3160

Tritanopia (blue-blind)

#003D44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d3261;
/* rgb */ color: rgb(29, 50, 97);
/* oklch */ color: oklch(32.7% 0.087 264.1);

Tailwind

colors: {
  custom: {
    50: '#61698e',
    500: '#1d3261',
    950: '#000000',
  },
}

SCSS

$custom: #1d3261;
$custom-light: #61698e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3261",
  "rgb": {
    "r": 29,
    "g": 50,
    "b": 97
  },
  "hsl": {
    "h": 221.471,
    "s": 53.968,
    "l": 24.706
  },
  "oklch": {
    "l": 0.32717,
    "c": 0.08746,
    "h": 264.1
  },
  "luminance": 0.03405
}

Semantic roles & 50–950 ramp

primary

#1D3261

secondary

#967D44

accent

#B04ADD

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1D3261

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

Preview Lab → · Contrast checker → · Palette generator →