#12367C#12367C

#12367C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.4% C 0.126 H 261.9°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#12367C
RGB	rgb(18, 54, 124)
HSL	hsl(220, 75%, 28%)
HSV	hsv(220, 85%, 49%)
CMYK	cmyk(85.5%, 56.5%, 0%, 51.4%)
CIE-LAB	lab(24.39, 15.78, -43.30)
CIE-LCH	lch(24.39, 46.08, 290.03°)
OKLab	oklab(35.37% -0.0179 -0.125)
OKLCH	oklch(35.37% 0.126 261.9)
XYZ	xyz(5.2054, 4.2215, 19.6054)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12367C #7C5812

analogous

#126B7C #12367C #23127C

triadic

#12367C #7C1236 #367C12

tetradic

#12367C #7C126B #7C5812 #127C23

square

#12367C #7C126B #7C5812 #127C23

split-complementary

#12367C #7C2312 #6B7C12

monochromatic

#040C1B #0A1F47 #12367C #1A4DB1 #2967E0

Accessibility & contrast

On white

11.39

#12367C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#12367C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12367C

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12367C	#FFFFFF	#000000	##FFFFFF
##12367C	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7E

Deuteranopia (green-blind)

#00357B

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #12367c;
/* rgb */ color: rgb(18, 54, 124);
/* oklch */ color: oklch(35.4% 0.126 261.9);

Tailwind

colors: {
  custom: {
    50: '#646ca2',
    500: '#12367c',
    950: '#000000',
  },
}

SCSS

$custom: #12367c;
$custom-light: #646ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#12367c",
  "rgb": {
    "r": 18,
    "g": 54,
    "b": 124
  },
  "hsl": {
    "h": 219.623,
    "s": 74.648,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35366,
    "c": 0.12623,
    "h": 261.9
  },
  "luminance": 0.04222
}

Semantic roles & 50–950 ramp

primary

#12367C

secondary

#B28838

accent

#B237F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06060F

muted

#7A7A7F

Preview Lab

Preview with #12367C

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

Preview Lab → · Contrast checker → · Palette generator →