#183261#183261

#183261 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.5% C 0.089 H 261.2°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#183261
RGB	rgb(24, 50, 97)
HSL	hsl(219, 60%, 24%)
HSV	hsv(219, 75%, 38%)
CMYK	cmyk(75.3%, 48.5%, 0%, 62%)
CIE-LAB	lab(21.35, 8.07, -30.84)
CIE-LCH	lch(21.35, 31.88, 284.66°)
OKLab	oklab(32.46% -0.0137 -0.0883)
OKLCH	oklch(32.46% 0.089 261.2)
XYZ	xyz(3.6742, 3.3381, 11.7576)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183261 #614718

analogous

#185661 #183261 #221861

triadic

#183261 #611832 #326118

tetradic

#183261 #611856 #614718 #186122

square

#183261 #611856 #614718 #186122

split-complementary

#183261 #612218 #566118

monochromatic

#060D19 #0C1930 #183261 #244B92 #3065C3

Accessibility & contrast

On white

12.59

#183261 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#183261 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183261

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183261	#FFFFFF	#000000	##FFFFFF
##183261	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3763

Deuteranopia (green-blind)

#0C3060

Tritanopia (blue-blind)

#003D44

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183261;
/* rgb */ color: rgb(24, 50, 97);
/* oklch */ color: oklch(32.5% 0.089 261.2);

Tailwind

colors: {
  custom: {
    50: '#5f698e',
    500: '#183261',
    950: '#000000',
  },
}

SCSS

$custom: #183261;
$custom-light: #5f698e;
$custom-dark: #000000;

JSON

{
  "hex": "#183261",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 97
  },
  "hsl": {
    "h": 218.63,
    "s": 60.331,
    "l": 23.725
  },
  "oklch": {
    "l": 0.32458,
    "c": 0.08936,
    "h": 261.2
  },
  "luminance": 0.03338
}

Semantic roles & 50–950 ramp

primary

#183261

secondary

#97773D

accent

#AB44E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #183261

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

Preview Lab → · Contrast checker → · Palette generator →