#12233D#12233D

#12233D is a dark, muted blue. Relative luminance 0.017; OKLCH L 25.6% C 0.054 H 258.6°. Best body text is #FFFFFF at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#12233D
RGB	rgb(18, 35, 61)
HSL	hsl(216, 54%, 15%)
HSV	hsv(216, 70%, 24%)
CMYK	cmyk(70.5%, 42.6%, 0%, 76.1%)
CIE-LAB	lab(13.63, 2.83, -18.80)
CIE-LCH	lch(13.63, 19.01, 278.56°)
OKLab	oklab(25.62% -0.0107 -0.0533)
OKLCH	oklch(25.62% 0.054 258.6)
XYZ	xyz(1.6925, 1.6674, 4.6466)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12233D #3D2C12

analogous

#12383D #12233D #16123D

triadic

#12233D #3D1223 #233D12

tetradic

#12233D #3D1238 #3D2C12 #123D16

square

#12233D #3D1238 #3D2C12 #123D16

split-complementary

#12233D #3D1612 #383D12

monochromatic

#070E18 #070E18 #12233D #203E6C #2E599C

Accessibility & contrast

On white

15.75

#12233D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#12233D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12233D

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12233D	#FFFFFF	#000000	##FFFFFF
##12233D	1.00	15.75	1.33	15.75
#FFFFFF	15.75	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18253E

Deuteranopia (green-blind)

#12213C

Tritanopia (blue-blind)

#00292D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #12233d;
/* rgb */ color: rgb(18, 35, 61);
/* oklch */ color: oklch(25.6% 0.054 258.6);

Tailwind

colors: {
  custom: {
    50: '#555d72',
    500: '#12233d',
    950: '#000000',
  },
}

SCSS

$custom: #12233d;
$custom-light: #555d72;
$custom-dark: #000000;

JSON

{
  "hex": "#12233d",
  "rgb": {
    "r": 18,
    "g": 35,
    "b": 61
  },
  "hsl": {
    "h": 216.279,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25624,
    "c": 0.05438,
    "h": 258.6
  },
  "luminance": 0.01668
}

Semantic roles & 50–950 ramp

primary

#12233D

secondary

#765C35

accent

#A34ADE

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #12233D

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

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