#21189E#21189E

#21189E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.7% C 0.199 H 271.9°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#21189E
RGB	rgb(33, 24, 158)
HSL	hsl(244, 74%, 36%)
HSV	hsv(244, 85%, 62%)
CMYK	cmyk(79.1%, 84.8%, 0%, 38%)
CIE-LAB	lab(21.74, 48.12, -68.77)
CIE-LCH	lch(21.74, 83.93, 304.99°)
OKLab	oklab(34.67% 0.0066 -0.1989)
OKLCH	oklch(34.67% 0.199 271.9)
XYZ	xyz(7.1233, 3.4444, 32.6305)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21189E #959E18

analogous

#18529E #21189E #64189E

triadic

#21189E #9E2118 #189E21

tetradic

#21189E #9E1852 #959E18 #189E64

square

#21189E #9E1852 #959E18 #189E64

split-complementary

#21189E #9E6418 #529E18

monochromatic

#0B0834 #161069 #21189E #2C20D3 #574DE4

Accessibility & contrast

On white

12.43

#21189E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#21189E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21189E

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21189E	#FFFFFF	#000000	##FFFFFF
##21189E	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA2

Deuteranopia (green-blind)

#002D9C

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #21189e;
/* rgb */ color: rgb(33, 24, 158);
/* oklch */ color: oklch(34.7% 0.199 271.9);

Tailwind

colors: {
  custom: {
    50: '#755abc',
    500: '#21189e',
    950: '#000000',
  },
}

SCSS

$custom: #21189e;
$custom-light: #755abc;
$custom-dark: #000000;

JSON

{
  "hex": "#21189e",
  "rgb": {
    "r": 33,
    "g": 24,
    "b": 158
  },
  "hsl": {
    "h": 244.03,
    "s": 73.626,
    "l": 35.686
  },
  "oklch": {
    "l": 0.34671,
    "c": 0.19905,
    "h": 271.9
  },
  "luminance": 0.03445
}

Semantic roles & 50–950 ramp

primary

#21189E

secondary

#BEC64C

accent

#F038E4

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #21189E

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

Preview Lab → · Contrast checker → · Palette generator →