#21219B#21219B

#21219B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.4% C 0.188 H 271.4°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#21219B
RGB	rgb(33, 33, 155)
HSL	hsl(240, 65%, 37%)
HSV	hsv(240, 79%, 61%)
CMYK	cmyk(78.7%, 78.7%, 0%, 39.2%)
CIE-LAB	lab(22.92, 42.68, -64.98)
CIE-LCH	lch(22.92, 77.74, 303.30°)
OKLab	oklab(35.39% 0.0047 -0.1881)
OKLCH	oklch(35.39% 0.188 271.4)
XYZ	xyz(7.0855, 3.7768, 31.3596)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21219B #9B9B21

analogous

#215E9B #21219B #5E219B

triadic

#21219B #9B2121 #219B21

tetradic

#21219B #9B215E #9B9B21 #219B5E

square

#21219B #9B215E #9B9B21 #219B5E

split-complementary

#21219B #9B5E21 #5E9B21

monochromatic

#0C0C36 #161669 #21219B #2C2CCD #5A5ADC

Accessibility & contrast

On white

11.96

#21219B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#21219B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21219B

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21219B	#FFFFFF	#000000	##FFFFFF
##21219B	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003099

Tritanopia (blue-blind)

#00465D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #21219b;
/* rgb */ color: rgb(33, 33, 155);
/* oklch */ color: oklch(35.4% 0.188 271.4);

Tailwind

colors: {
  custom: {
    50: '#735fba',
    500: '#21219b',
    950: '#000000',
  },
}

SCSS

$custom: #21219b;
$custom-light: #735fba;
$custom-dark: #000000;

JSON

{
  "hex": "#21219b",
  "rgb": {
    "r": 33,
    "g": 33,
    "b": 155
  },
  "hsl": {
    "h": 240,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35386,
    "c": 0.18817,
    "h": 271.4
  },
  "luminance": 0.03778
}

Semantic roles & 50–950 ramp

primary

#21219B

secondary

#C0C058

accent

#E840E8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #21219B

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

Preview Lab → · Contrast checker → · Palette generator →