#12376D#12376D

#12376D is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.4% C 0.103 H 258.3°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#12376D
RGB	rgb(18, 55, 109)
HSL	hsl(216, 72%, 25%)
HSV	hsv(216, 83%, 43%)
CMYK	cmyk(83.5%, 49.5%, 0%, 57.3%)
CIE-LAB	lab(23.55, 8.70, -35.10)
CIE-LCH	lch(23.55, 36.16, 283.92°)
OKLab	oklab(34.36% -0.0208 -0.1008)
OKLCH	oklch(34.36% 0.103 258.3)
XYZ	xyz(4.3749, 3.9646, 14.9997)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12376D #6D4812

analogous

#12656D #12376D #1A126D

triadic

#12376D #6D1237 #376D12

tetradic

#12376D #6D1265 #6D4812 #126D1A

square

#12376D #6D1265 #6D4812 #126D1A

split-complementary

#12376D #6D1A12 #656D12

monochromatic

#040D1A #091C38 #12376D #1B52A2 #236CD6

Accessibility & contrast

On white

11.71

#12376D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#12376D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12376D

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12376D	#FFFFFF	#000000	##FFFFFF
##12376D	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193C6F

Deuteranopia (green-blind)

#01346C

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #12376d;
/* rgb */ color: rgb(18, 55, 109);
/* oklch */ color: oklch(34.4% 0.103 258.3);

Tailwind

colors: {
  custom: {
    50: '#606d97',
    500: '#12376d',
    950: '#000000',
  },
}

SCSS

$custom: #12376d;
$custom-light: #606d97;
$custom-dark: #000000;

JSON

{
  "hex": "#12376d",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 109
  },
  "hsl": {
    "h": 215.604,
    "s": 71.654,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34363,
    "c": 0.10293,
    "h": 258.3
  },
  "luminance": 0.03965
}

Semantic roles & 50–950 ramp

primary

#12376D

secondary

#A47837

accent

#A539EE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #12376D

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

Preview Lab → · Contrast checker → · Palette generator →