#21209D#21209D

#21209D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.192 H 271.4°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#21209D
RGB	rgb(33, 32, 157)
HSL	hsl(240, 66%, 37%)
HSV	hsv(240, 80%, 62%)
CMYK	cmyk(79%, 79.6%, 0%, 38.4%)
CIE-LAB	lab(22.96, 43.88, -66.13)
CIE-LCH	lch(22.96, 79.36, 303.57°)
OKLab	oklab(35.49% 0.0046 -0.1914)
OKLCH	oklch(35.49% 0.192 271.4)
XYZ	xyz(7.2275, 3.7899, 32.2424)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21209D #9C9D20

analogous

#205E9D #21209D #60209D

triadic

#21209D #9D2120 #209D21

tetradic

#21209D #9D205E #9C9D20 #209D60

square

#21209D #9D205E #9C9D20 #209D60

split-complementary

#21209D #9D6020 #5E9D20

monochromatic

#0C0B37 #16166A #21209D #2C2AD0 #5B5ADD

Accessibility & contrast

On white

11.94

#21209D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#21209D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21209D

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21209D	#FFFFFF	#000000	##FFFFFF
##21209D	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA0

Deuteranopia (green-blind)

#00309B

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #21209d;
/* rgb */ color: rgb(33, 32, 157);
/* oklch */ color: oklch(35.5% 0.192 271.4);

Tailwind

colors: {
  custom: {
    50: '#745ebb',
    500: '#21209d',
    950: '#000000',
  },
}

SCSS

$custom: #21209d;
$custom-light: #745ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#21209d",
  "rgb": {
    "r": 33,
    "g": 32,
    "b": 157
  },
  "hsl": {
    "h": 240.48,
    "s": 66.138,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35485,
    "c": 0.1915,
    "h": 271.4
  },
  "luminance": 0.03791
}

Semantic roles & 50–950 ramp

primary

#21209D

secondary

#C1C157

accent

#E93FE8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #21209D

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

Preview Lab → · Contrast checker → · Palette generator →