#12313F#12313F

#12313F is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.7% C 0.044 H 230.3°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#12313F
RGB	rgb(18, 49, 63)
HSL	hsl(199, 56%, 16%)
HSV	hsv(199, 71%, 25%)
CMYK	cmyk(71.4%, 22.2%, 0%, 75.3%)
CIE-LAB	lab(18.73, -6.25, -12.22)
CIE-LCH	lch(18.73, 13.73, 242.91°)
OKLab	oklab(29.68% -0.0283 -0.0342)
OKLCH	oklch(29.68% 0.044 230.3)
XYZ	xyz(2.2446, 2.6839, 5.1014)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12313F #3F2012

analogous

#123F36 #12313F #121A3F

triadic

#12313F #3F1231 #313F12

tetradic

#12313F #36123F #3F2012 #1A3F12

square

#12313F #36123F #3F2012 #1A3F12

split-complementary

#12313F #3F121A #3F3612

monochromatic

#071318 #071318 #12313F #20566F #2D7B9E

Accessibility & contrast

On white

13.66

#12313F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#12313F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12313F

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12313F	#FFFFFF	#000000	##FFFFFF
##12313F	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3040

Deuteranopia (green-blind)

#242C3F

Tritanopia (blue-blind)

#003536

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #12313f;
/* rgb */ color: rgb(18, 49, 63);
/* oklch */ color: oklch(29.7% 0.044 230.3);

Tailwind

colors: {
  custom: {
    50: '#566974',
    500: '#12313f',
    950: '#000000',
  },
}

SCSS

$custom: #12313f;
$custom-light: #566974;
$custom-dark: #000000;

JSON

{
  "hex": "#12313f",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 63
  },
  "hsl": {
    "h": 198.667,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.29677,
    "c": 0.04438,
    "h": 230.3
  },
  "luminance": 0.02684
}

Semantic roles & 50–950 ramp

primary

#12313F

secondary

#784A35

accent

#7849DF

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #12313F

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

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