#12376C#12376C

#12376C is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.101 H 258.1°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#12376C
RGB	rgb(18, 55, 108)
HSL	hsl(215, 71%, 25%)
HSV	hsv(215, 83%, 42%)
CMYK	cmyk(83.3%, 49.1%, 0%, 57.6%)
CIE-LAB	lab(23.48, 8.27, -34.57)
CIE-LCH	lch(23.48, 35.54, 283.46°)
OKLab	oklab(34.28% -0.021 -0.0993)
OKLCH	oklch(34.28% 0.101 258.1)
XYZ	xyz(4.3214, 3.9432, 14.7178)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12376C #6C4712

analogous

#12646C #12376C #1A126C

triadic

#12376C #6C1237 #376C12

tetradic

#12376C #6C1264 #6C4712 #126C1A

square

#12376C #6C1264 #6C4712 #126C1A

split-complementary

#12376C #6C1A12 #646C12

monochromatic

#040D1A #091C38 #12376C #1B52A0 #236CD5

Accessibility & contrast

On white

11.74

#12376C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#12376C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12376C

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12376C	#FFFFFF	#000000	##FFFFFF
##12376C	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3C6E

Deuteranopia (green-blind)

#03346B

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #12376c;
/* rgb */ color: rgb(18, 55, 108);
/* oklch */ color: oklch(34.3% 0.101 258.1);

Tailwind

colors: {
  custom: {
    50: '#606d96',
    500: '#12376c',
    950: '#000000',
  },
}

SCSS

$custom: #12376c;
$custom-light: #606d96;
$custom-dark: #000000;

JSON

{
  "hex": "#12376c",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 108
  },
  "hsl": {
    "h": 215.333,
    "s": 71.429,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34285,
    "c": 0.10145,
    "h": 258.1
  },
  "luminance": 0.03944
}

Semantic roles & 50–950 ramp

primary

#12376C

secondary

#A37736

accent

#A43AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #12376C

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

Preview Lab → · Contrast checker → · Palette generator →