#12313D#12313D

#12313D is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.6% C 0.042 H 226.4°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#12313D
RGB	rgb(18, 49, 61)
HSL	hsl(197, 54%, 15%)
HSV	hsv(197, 70%, 24%)
CMYK	cmyk(70.5%, 19.7%, 0%, 76.1%)
CIE-LAB	lab(18.64, -7.02, -11.00)
CIE-LCH	lch(18.64, 13.05, 237.45°)
OKLab	oklab(29.57% -0.0292 -0.0307)
OKLCH	oklch(29.57% 0.042 226.4)
XYZ	xyz(2.1897, 2.6619, 4.8124)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12313D #3D1E12

analogous

#123D33 #12313D #121B3D

triadic

#12313D #3D1231 #313D12

tetradic

#12313D #33123D #3D1E12 #1B3D12

square

#12313D #33123D #3D1E12 #1B3D12

split-complementary

#12313D #3D121B #3D3312

monochromatic

#071318 #071318 #12313D #20576C #2E7D9C

Accessibility & contrast

On white

13.70

#12313D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#12313D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12313D

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12313D	#FFFFFF	#000000	##FFFFFF
##12313D	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B303E

Deuteranopia (green-blind)

#242B3D

Tritanopia (blue-blind)

#003535

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #12313d;
/* rgb */ color: rgb(18, 49, 61);
/* oklch */ color: oklch(29.6% 0.042 226.4);

Tailwind

colors: {
  custom: {
    50: '#556972',
    500: '#12313d',
    950: '#000000',
  },
}

SCSS

$custom: #12313d;
$custom-light: #556972;
$custom-dark: #000000;

JSON

{
  "hex": "#12313d",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 196.744,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.29569,
    "c": 0.04237,
    "h": 226.4
  },
  "luminance": 0.02662
}

Semantic roles & 50–950 ramp

primary

#12313D

secondary

#764735

accent

#734ADE

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #12313D

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

Preview Lab → · Contrast checker → · Palette generator →