#12283C#12283C

#12283C is a dark, muted cyan. Relative luminance 0.020; OKLCH L 26.9% C 0.047 H 247.8°. Best body text is #FFFFFF at 15.06:1 contrast (WCAG AA passes).

Color values

HEX	#12283C
RGB	rgb(18, 40, 60)
HSL	hsl(209, 54%, 15%)
HSV	hsv(209, 70%, 24%)
CMYK	cmyk(70%, 33.3%, 0%, 76.5%)
CIE-LAB	lab(15.34, -1.24, -15.41)
CIE-LCH	lch(15.34, 15.46, 265.41°)
OKLab	oklab(26.94% -0.0177 -0.0434)
OKLCH	oklch(26.94% 0.047 247.8)
XYZ	xyz(1.8236, 1.9723, 4.5587)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12283C #3C2612

analogous

#123C3B #12283C #12133C

triadic

#12283C #3C1228 #283C12

tetradic

#12283C #3B123C #3C2612 #133C12

square

#12283C #3B123C #3C2612 #133C12

split-complementary

#12283C #3C1213 #3C3B12

monochromatic

#071018 #071018 #12283C #20476B #2E679A

Accessibility & contrast

On white

15.06

#12283C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#12283C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12283C

15.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12283C	#FFFFFF	#000000	##FFFFFF
##12283C	1.00	15.06	1.39	15.06
#FFFFFF	15.06	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F293D

Deuteranopia (green-blind)

#1A253C

Tritanopia (blue-blind)

#002D2F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #12283c;
/* rgb */ color: rgb(18, 40, 60);
/* oklch */ color: oklch(26.9% 0.047 247.8);

Tailwind

colors: {
  custom: {
    50: '#556171',
    500: '#12283c',
    950: '#000000',
  },
}

SCSS

$custom: #12283c;
$custom-light: #556171;
$custom-dark: #000000;

JSON

{
  "hex": "#12283c",
  "rgb": {
    "r": 18,
    "g": 40,
    "b": 60
  },
  "hsl": {
    "h": 208.571,
    "s": 53.846,
    "l": 15.294
  },
  "oklch": {
    "l": 0.2694,
    "c": 0.04687,
    "h": 247.8
  },
  "luminance": 0.01972
}

Semantic roles & 50–950 ramp

primary

#12283C

secondary

#755335

accent

#904BDD

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030507

muted

#78797A

Preview Lab

Preview with #12283C

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

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