#21208B#21208B

#21208B is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.169 H 272.8°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#21208B
RGB	rgb(33, 32, 139)
HSL	hsl(241, 63%, 34%)
HSV	hsv(241, 77%, 55%)
CMYK	cmyk(76.3%, 77%, 0%, 45.5%)
CIE-LAB	lab(20.90, 37.81, -58.41)
CIE-LCH	lch(20.90, 69.58, 302.91°)
OKLab	oklab(33.43% 0.0083 -0.169)
OKLCH	oklch(33.43% 0.169 272.8)
XYZ	xyz(5.8023, 3.2198, 24.7368)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21208B #8A8B20

analogous

#20548B #21208B #56208B

triadic

#21208B #8B2120 #208B21

tetradic

#21208B #8B2054 #8A8B20 #208B56

square

#21208B #8B2054 #8A8B20 #208B56

split-complementary

#21208B #8B5620 #548B20

monochromatic

#090928 #151559 #21208B #2D2BBD #504FD6

Accessibility & contrast

On white

12.77

#21208B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#21208B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21208B

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21208B	#FFFFFF	#000000	##FFFFFF
##21208B	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378E

Deuteranopia (green-blind)

#002D89

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #21208b;
/* rgb */ color: rgb(33, 32, 139);
/* oklch */ color: oklch(33.4% 0.169 272.8);

Tailwind

colors: {
  custom: {
    50: '#6f5dae',
    500: '#21208b',
    950: '#000000',
  },
}

SCSS

$custom: #21208b;
$custom-light: #6f5dae;
$custom-dark: #000000;

JSON

{
  "hex": "#21208b",
  "rgb": {
    "r": 33,
    "g": 32,
    "b": 139
  },
  "hsl": {
    "h": 240.561,
    "s": 62.573,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33429,
    "c": 0.16923,
    "h": 272.8
  },
  "luminance": 0.0322
}

Semantic roles & 50–950 ramp

primary

#21208B

secondary

#B9BA4D

accent

#E642E4

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #21208B

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

Preview Lab → · Contrast checker → · Palette generator →