#182C5D#182C5D

#182C5D is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.7% C 0.091 H 264.8°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#182C5D
RGB	rgb(24, 44, 93)
HSL	hsl(223, 59%, 23%)
HSV	hsv(223, 74%, 36%)
CMYK	cmyk(74.2%, 52.7%, 0%, 63.5%)
CIE-LAB	lab(19.16, 10.76, -31.72)
CIE-LCH	lch(19.16, 33.50, 288.74°)
OKLab	oklab(30.69% -0.0082 -0.091)
OKLCH	oklch(30.69% 0.091 264.8)
XYZ	xyz(3.2525, 2.7855, 10.7201)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C5D #5D4918

analogous

#184E5D #182C5D #27185D

triadic

#182C5D #5D182C #2C5D18

tetradic

#182C5D #5D184E #5D4918 #185D27

square

#182C5D #5D184E #5D4918 #185D27

split-complementary

#182C5D #5D2718 #4E5D18

monochromatic

#060C18 #0B152C #182C5D #25438E #315ABE

Accessibility & contrast

On white

13.49

#182C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#182C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C5D

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C5D	#FFFFFF	#000000	##FFFFFF
##182C5D	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11325F

Deuteranopia (green-blind)

#002C5C

Tritanopia (blue-blind)

#003840

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182c5d;
/* rgb */ color: rgb(24, 44, 93);
/* oklch */ color: oklch(30.7% 0.091 264.8);

Tailwind

colors: {
  custom: {
    50: '#5f648b',
    500: '#182c5d',
    950: '#000000',
  },
}

SCSS

$custom: #182c5d;
$custom-light: #5f648b;
$custom-dark: #000000;

JSON

{
  "hex": "#182c5d",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 93
  },
  "hsl": {
    "h": 222.609,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3069,
    "c": 0.09138,
    "h": 264.8
  },
  "luminance": 0.02786
}

Semantic roles & 50–950 ramp

primary

#182C5D

secondary

#937B3D

accent

#B546E2

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #182C5D

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

Preview Lab → · Contrast checker → · Palette generator →