#12155B#12155B

#12155B is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.3% C 0.121 H 271.9°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#12155B
RGB	rgb(18, 21, 91)
HSL	hsl(238, 67%, 21%)
HSV	hsv(238, 80%, 36%)
CMYK	cmyk(80.2%, 76.9%, 0%, 64.3%)
CIE-LAB	lab(12.09, 25.72, -41.93)
CIE-LCH	lch(12.09, 49.19, 301.52°)
OKLab	oklab(25.29% 0.004 -0.1213)
OKLCH	oklch(25.29% 0.121 271.9)
XYZ	xyz(2.4053, 1.4200, 10.0428)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12155B #5B5812

analogous

#123A5B #12155B #34125B

triadic

#12155B #5B1215 #155B12

tetradic

#12155B #5B123A #5B5812 #125B34

square

#12155B #5B123A #5B5812 #125B34

split-complementary

#12155B #5B3412 #3A5B12

monochromatic

#05061A #080928 #12155B #1C218E #262DC1

Accessibility & contrast

On white

16.36

#12155B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#12155B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12155B

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12155B	#FFFFFF	#000000	##FFFFFF
##12155B	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235D

Deuteranopia (green-blind)

#001C5A

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #12155b;
/* rgb */ color: rgb(18, 21, 91);
/* oklch */ color: oklch(25.3% 0.121 271.9);

Tailwind

colors: {
  custom: {
    50: '#5e538a',
    500: '#12155b',
    950: '#000000',
  },
}

SCSS

$custom: #12155b;
$custom-light: #5e538a;
$custom-dark: #000000;

JSON

{
  "hex": "#12155b",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 91
  },
  "hsl": {
    "h": 237.534,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.2529,
    "c": 0.12142,
    "h": 271.9
  },
  "luminance": 0.0142
}

Semantic roles & 50–950 ramp

primary

#12155B

secondary

#939035

accent

#E33EEA

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #12155B

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

Preview Lab → · Contrast checker → · Palette generator →