#182C59#182C59

#182C59 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.4% C 0.085 H 264.0°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#182C59
RGB	rgb(24, 44, 89)
HSL	hsl(222, 58%, 22%)
HSV	hsv(222, 73%, 35%)
CMYK	cmyk(73%, 50.6%, 0%, 65.1%)
CIE-LAB	lab(18.87, 9.10, -29.54)
CIE-LCH	lch(18.87, 30.91, 287.12°)
OKLab	oklab(30.37% -0.0089 -0.0846)
OKLCH	oklch(30.37% 0.085 264)
XYZ	xyz(3.0799, 2.7165, 9.8113)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C59 #594518

analogous

#184D59 #182C59 #241859

triadic

#182C59 #59182C #2C5918

tetradic

#182C59 #59184D #594518 #185924

square

#182C59 #59184D #594518 #185924

split-complementary

#182C59 #592418 #4D5918

monochromatic

#060C18 #0B1429 #182C59 #254489 #325CB9

Accessibility & contrast

On white

13.61

#182C59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#182C59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C59

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C59	#FFFFFF	#000000	##FFFFFF
##182C59	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15315B

Deuteranopia (green-blind)

#072B58

Tritanopia (blue-blind)

#00363E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182c59;
/* rgb */ color: rgb(24, 44, 89);
/* oklch */ color: oklch(30.4% 0.085 264.0);

Tailwind

colors: {
  custom: {
    50: '#5e6488',
    500: '#182c59',
    950: '#000000',
  },
}

SCSS

$custom: #182c59;
$custom-light: #5e6488;
$custom-dark: #000000;

JSON

{
  "hex": "#182c59",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 89
  },
  "hsl": {
    "h": 221.538,
    "s": 57.522,
    "l": 22.157
  },
  "oklch": {
    "l": 0.30372,
    "c": 0.08506,
    "h": 264
  },
  "luminance": 0.02717
}

Semantic roles & 50–950 ramp

primary

#182C59

secondary

#90763D

accent

#B147E1

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#05050B

muted

#79797C

Preview Lab

Preview with #182C59

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

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