#12313E#12313E

#12313E is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.6% C 0.043 H 228.4°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#12313E
RGB	rgb(18, 49, 62)
HSL	hsl(198, 55%, 16%)
HSV	hsv(198, 71%, 24%)
CMYK	cmyk(71%, 21%, 0%, 75.7%)
CIE-LAB	lab(18.68, -6.64, -11.61)
CIE-LCH	lch(18.68, 13.37, 240.25°)
OKLab	oklab(29.62% -0.0288 -0.0324)
OKLCH	oklch(29.62% 0.043 228.4)
XYZ	xyz(2.2169, 2.6728, 4.9556)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12313E #3E1F12

analogous

#123E35 #12313E #121B3E

triadic

#12313E #3E1231 #313E12

tetradic

#12313E #35123E #3E1F12 #1B3E12

square

#12313E #35123E #3E1F12 #1B3E12

split-complementary

#12313E #3E121B #3E3512

monochromatic

#071318 #071318 #12313E #20566D #2E7C9D

Accessibility & contrast

On white

13.68

#12313E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#12313E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12313E

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12313E	#FFFFFF	#000000	##FFFFFF
##12313E	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A303F

Deuteranopia (green-blind)

#242B3E

Tritanopia (blue-blind)

#003535

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #12313e;
/* rgb */ color: rgb(18, 49, 62);
/* oklch */ color: oklch(29.6% 0.043 228.4);

Tailwind

colors: {
  custom: {
    50: '#556973',
    500: '#12313e',
    950: '#000000',
  },
}

SCSS

$custom: #12313e;
$custom-light: #556973;
$custom-dark: #000000;

JSON

{
  "hex": "#12313e",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 62
  },
  "hsl": {
    "h": 197.727,
    "s": 55,
    "l": 15.686
  },
  "oklch": {
    "l": 0.29623,
    "c": 0.04334,
    "h": 228.4
  },
  "luminance": 0.02673
}

Semantic roles & 50–950 ramp

primary

#12313E

secondary

#774835

accent

#7549DE

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #12313E

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

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