#21158E#21158E

#21158E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.4% C 0.182 H 273.7°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#21158E
RGB	rgb(33, 21, 142)
HSL	hsl(246, 74%, 32%)
HSV	hsv(246, 85%, 56%)
CMYK	cmyk(76.8%, 85.2%, 0%, 44.3%)
CIE-LAB	lab(19.28, 44.53, -62.98)
CIE-LCH	lch(19.28, 77.13, 305.26°)
OKLab	oklab(32.4% 0.0117 -0.1821)
OKLCH	oklch(32.4% 0.183 273.7)
XYZ	xyz(5.7762, 2.8121, 25.8243)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21158E #828E15

analogous

#15468E #21158E #5D158E

triadic

#21158E #8E2115 #158E21

tetradic

#21158E #8E1546 #828E15 #158E5D

square

#21158E #8E1546 #828E15 #158E5D

split-complementary

#21158E #8E5D15 #468E15

monochromatic

#080523 #150D59 #21158E #2D1DC3 #4C3BE2

Accessibility & contrast

On white

13.44

#21158E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#21158E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21158E

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21158E	#FFFFFF	#000000	##FFFFFF
##21158E	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003491

Deuteranopia (green-blind)

#00298C

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #21158e;
/* rgb */ color: rgb(33, 21, 142);
/* oklch */ color: oklch(32.4% 0.182 273.7);

Tailwind

colors: {
  custom: {
    50: '#7157b0',
    500: '#21158e',
    950: '#000000',
  },
}

SCSS

$custom: #21158e;
$custom-light: #7157b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21158e",
  "rgb": {
    "r": 33,
    "g": 21,
    "b": 142
  },
  "hsl": {
    "h": 245.95,
    "s": 74.233,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32396,
    "c": 0.1825,
    "h": 273.7
  },
  "luminance": 0.02813
}

Semantic roles & 50–950 ramp

primary

#21158E

secondary

#B4C23D

accent

#F137DE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #21158E

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

Preview Lab → · Contrast checker → · Palette generator →