#12243D#12243D

#12243D is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.9% C 0.053 H 256.9°. Best body text is #FFFFFF at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#12243D
RGB	rgb(18, 36, 61)
HSL	hsl(215, 54%, 15%)
HSV	hsv(215, 70%, 24%)
CMYK	cmyk(70.5%, 41%, 0%, 76.1%)
CIE-LAB	lab(13.98, 2.09, -18.24)
CIE-LCH	lch(13.98, 18.36, 276.52°)
OKLab	oklab(25.9% -0.012 -0.0517)
OKLCH	oklch(25.9% 0.053 256.9)
XYZ	xyz(1.7223, 1.7271, 4.6566)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12243D #3D2B12

analogous

#12393D #12243D #16123D

triadic

#12243D #3D1224 #243D12

tetradic

#12243D #3D1239 #3D2B12 #123D16

square

#12243D #3D1239 #3D2B12 #123D16

split-complementary

#12243D #3D1612 #393D12

monochromatic

#070E18 #070E18 #12243D #20406C #2E5C9C

Accessibility & contrast

On white

15.61

#12243D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#12243D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12243D

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12243D	#FFFFFF	#000000	##FFFFFF
##12243D	1.00	15.61	1.35	15.61
#FFFFFF	15.61	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19263E

Deuteranopia (green-blind)

#14223C

Tritanopia (blue-blind)

#002A2D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #12243d;
/* rgb */ color: rgb(18, 36, 61);
/* oklch */ color: oklch(25.9% 0.053 256.9);

Tailwind

colors: {
  custom: {
    50: '#555e72',
    500: '#12243d',
    950: '#000000',
  },
}

SCSS

$custom: #12243d;
$custom-light: #555e72;
$custom-dark: #000000;

JSON

{
  "hex": "#12243d",
  "rgb": {
    "r": 18,
    "g": 36,
    "b": 61
  },
  "hsl": {
    "h": 214.884,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25896,
    "c": 0.05307,
    "h": 256.9
  },
  "luminance": 0.01727
}

Semantic roles & 50–950 ramp

primary

#12243D

secondary

#765B35

accent

#A04ADE

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #12243D

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

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