#12203E#12203E

#12203E is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.9% C 0.060 H 263.7°. Best body text is #FFFFFF at 16.13:1 contrast (WCAG AA passes).

Color values

HEX	#12203E
RGB	rgb(18, 32, 62)
HSL	hsl(221, 55%, 16%)
HSV	hsv(221, 71%, 24%)
CMYK	cmyk(71%, 48.4%, 0%, 75.7%)
CIE-LAB	lab(12.67, 5.51, -21.04)
CIE-LCH	lch(12.67, 21.75, 284.68°)
OKLab	oklab(24.9% -0.0066 -0.0599)
OKLCH	oklch(24.9% 0.06 263.7)
XYZ	xyz(1.6352, 1.5093, 4.7616)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12203E #3E3012

analogous

#12363E #12203E #1A123E

triadic

#12203E #3E1220 #203E12

tetradic

#12203E #3E1236 #3E3012 #123E1A

square

#12203E #3E1236 #3E3012 #123E1A

split-complementary

#12203E #3E1A12 #363E12

monochromatic

#070C18 #070C18 #12203E #20386D #2E519D

Accessibility & contrast

On white

16.13

#12203E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#12203E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12203E

16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12203E	#FFFFFF	#000000	##FFFFFF
##12203E	1.00	16.13	1.30	16.13
#FFFFFF	16.13	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12233F

Deuteranopia (green-blind)

#0C1F3D

Tritanopia (blue-blind)

#00272B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #12203e;
/* rgb */ color: rgb(18, 32, 62);
/* oklch */ color: oklch(24.9% 0.060 263.7);

Tailwind

colors: {
  custom: {
    50: '#555b73',
    500: '#12203e',
    950: '#000000',
  },
}

SCSS

$custom: #12203e;
$custom-light: #555b73;
$custom-dark: #000000;

JSON

{
  "hex": "#12203e",
  "rgb": {
    "r": 18,
    "g": 32,
    "b": 62
  },
  "hsl": {
    "h": 220.909,
    "s": 55,
    "l": 15.686
  },
  "oklch": {
    "l": 0.24896,
    "c": 0.06029,
    "h": 263.7
  },
  "luminance": 0.01509
}

Semantic roles & 50–950 ramp

primary

#12203E

secondary

#776235

accent

#AF49DE

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #12203E

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

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