#12367E#12367E

#12367E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.5% C 0.129 H 262.1°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#12367E
RGB	rgb(18, 54, 126)
HSL	hsl(220, 75%, 28%)
HSV	hsv(220, 86%, 49%)
CMYK	cmyk(85.7%, 57.1%, 0%, 50.6%)
CIE-LAB	lab(24.55, 16.62, -44.30)
CIE-LCH	lch(24.55, 47.31, 290.57°)
OKLab	oklab(35.54% -0.0177 -0.1279)
OKLCH	oklch(35.54% 0.129 262.1)
XYZ	xyz(5.3332, 4.2726, 20.2782)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12367E #7E5A12

analogous

#126C7E #12367E #24127E

triadic

#12367E #7E1236 #367E12

tetradic

#12367E #7E126C #7E5A12 #127E24

square

#12367E #7E126C #7E5A12 #127E24

split-complementary

#12367E #7E2412 #6C7E12

monochromatic

#040B1B #0A1F48 #12367E #1A4DB4 #2A67E1

Accessibility & contrast

On white

11.32

#12367E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#12367E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12367E

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12367E	#FFFFFF	#000000	##FFFFFF
##12367E	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F80

Deuteranopia (green-blind)

#00367D

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #12367e;
/* rgb */ color: rgb(18, 54, 126);
/* oklch */ color: oklch(35.5% 0.129 262.1);

Tailwind

colors: {
  custom: {
    50: '#656ca4',
    500: '#12367e',
    950: '#000000',
  },
}

SCSS

$custom: #12367e;
$custom-light: #656ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#12367e",
  "rgb": {
    "r": 18,
    "g": 54,
    "b": 126
  },
  "hsl": {
    "h": 220,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3554,
    "c": 0.12912,
    "h": 262.1
  },
  "luminance": 0.04273
}

Semantic roles & 50–950 ramp

primary

#12367E

secondary

#B48B38

accent

#B336F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #12367E

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

Preview Lab → · Contrast checker → · Palette generator →