#183256#183256

#183256 is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.7% C 0.072 H 257.0°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#183256
RGB	rgb(24, 50, 86)
HSL	hsl(215, 56%, 22%)
HSV	hsv(215, 72%, 34%)
CMYK	cmyk(72.1%, 41.9%, 0%, 66.3%)
CIE-LAB	lab(20.62, 3.53, -24.75)
CIE-LCH	lch(20.62, 25.00, 278.12°)
OKLab	oklab(31.66% -0.0163 -0.0704)
OKLCH	oklch(31.66% 0.072 257)
XYZ	xyz(3.1964, 3.1470, 9.2413)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183256 #563C18

analogous

#185156 #183256 #1D1856

triadic

#183256 #561832 #325618

tetradic

#183256 #561851 #563C18 #18561D

square

#183256 #561851 #563C18 #18561D

split-complementary

#183256 #561D18 #515618

monochromatic

#070E18 #0B1626 #183256 #254E86 #336AB6

Accessibility & contrast

On white

12.89

#183256 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#183256 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183256

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183256	#FFFFFF	#000000	##FFFFFF
##183256	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223557

Deuteranopia (green-blind)

#192F55

Tritanopia (blue-blind)

#003A3F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #183256;
/* rgb */ color: rgb(24, 50, 86);
/* oklch */ color: oklch(31.7% 0.072 257.0);

Tailwind

colors: {
  custom: {
    50: '#5d6986',
    500: '#183256',
    950: '#000000',
  },
}

SCSS

$custom: #183256;
$custom-light: #5d6986;
$custom-dark: #000000;

JSON

{
  "hex": "#183256",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 86
  },
  "hsl": {
    "h": 214.839,
    "s": 56.364,
    "l": 21.569
  },
  "oklch": {
    "l": 0.3166,
    "c": 0.07227,
    "h": 257
  },
  "luminance": 0.03147
}

Semantic roles & 50–950 ramp

primary

#183256

secondary

#8D6B3D

accent

#A048E0

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #183256

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

Preview Lab → · Contrast checker → · Palette generator →