#12157E#12157E

#12157E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.167 H 269.1°. Best body text is #FFFFFF at 14.64:1 contrast (WCAG AA passes).

Color values

HEX	#12157E
RGB	rgb(18, 21, 126)
HSL	hsl(238, 75%, 28%)
HSV	hsv(238, 86%, 49%)
CMYK	cmyk(85.7%, 83.3%, 0%, 50.6%)
CIE-LAB	lab(16.36, 38.44, -57.76)
CIE-LCH	lch(16.36, 69.38, 303.64°)
OKLab	oklab(29.55% -0.0027 -0.1673)
OKLCH	oklch(29.55% 0.167 269.1)
XYZ	xyz(4.2822, 2.1708, 19.9279)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12157E #7E7B12

analogous

#124B7E #12157E #45127E

triadic

#12157E #7E1215 #157E12

tetradic

#12157E #7E124B #7E7B12 #127E45

square

#12157E #7E124B #7E7B12 #127E45

split-complementary

#12157E #7E4512 #4B7E12

monochromatic

#04041B #0A0C48 #12157E #1A1EB4 #2A2FE1

Accessibility & contrast

On white

14.64

#12157E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#12157E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12157E

14.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12157E	#FFFFFF	#000000	##FFFFFF
##12157E	1.00	14.64	1.43	14.64
#FFFFFF	14.64	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00237C

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #12157e;
/* rgb */ color: rgb(18, 21, 126);
/* oklch */ color: oklch(29.6% 0.167 269.1);

Tailwind

colors: {
  custom: {
    50: '#6855a5',
    500: '#12157e',
    950: '#000000',
  },
}

SCSS

$custom: #12157e;
$custom-light: #6855a5;
$custom-dark: #000000;

JSON

{
  "hex": "#12157e",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 126
  },
  "hsl": {
    "h": 238.333,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29554,
    "c": 0.16731,
    "h": 269.1
  },
  "luminance": 0.02171
}

Semantic roles & 50–950 ramp

primary

#12157E

secondary

#B4B038

accent

#EC36F2

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #12157E

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

Preview Lab → · Contrast checker → · Palette generator →