#21188D#21188D

#21188D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.179 H 273.5°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#21188D
RGB	rgb(33, 24, 141)
HSL	hsl(245, 71%, 32%)
HSV	hsv(245, 83%, 55%)
CMYK	cmyk(76.6%, 83%, 0%, 44.7%)
CIE-LAB	lab(19.64, 42.80, -61.76)
CIE-LCH	lch(19.64, 75.14, 304.72°)
OKLab	oklab(32.61% 0.011 -0.1786)
OKLCH	oklch(32.61% 0.179 273.5)
XYZ	xyz(5.7600, 2.8991, 25.4502)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21188D #848D18

analogous

#184A8D #21188D #5B188D

triadic

#21188D #8D2118 #188D21

tetradic

#21188D #8D184A #848D18 #188D5B

square

#21188D #8D184A #848D18 #188D5B

split-complementary

#21188D #8D5B18 #4A8D18

monochromatic

#090624 #150F59 #21188D #2D21C1 #4D41DF

Accessibility & contrast

On white

13.29

#21188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#21188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21188D

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21188D	#FFFFFF	#000000	##FFFFFF
##21188D	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003590

Deuteranopia (green-blind)

#002A8B

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #21188d;
/* rgb */ color: rgb(33, 24, 141);
/* oklch */ color: oklch(32.6% 0.179 273.5);

Tailwind

colors: {
  custom: {
    50: '#7059b0',
    500: '#21188d',
    950: '#000000',
  },
}

SCSS

$custom: #21188d;
$custom-light: #7059b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21188d",
  "rgb": {
    "r": 33,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 244.615,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32609,
    "c": 0.17899,
    "h": 273.5
  },
  "luminance": 0.029
}

Semantic roles & 50–950 ramp

primary

#21188D

secondary

#B6BF42

accent

#EE3AE0

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #21188D

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

Preview Lab → · Contrast checker → · Palette generator →