#21209E#21209E

#21209E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.6% C 0.193 H 271.3°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#21209E
RGB	rgb(33, 32, 158)
HSL	hsl(240, 66%, 37%)
HSV	hsv(240, 80%, 62%)
CMYK	cmyk(79.1%, 79.7%, 0%, 38%)
CIE-LAB	lab(23.08, 44.21, -66.54)
CIE-LCH	lch(23.08, 79.89, 303.60°)
OKLab	oklab(35.6% 0.0044 -0.1926)
OKLCH	oklch(35.6% 0.193 271.3)
XYZ	xyz(7.3132, 3.8242, 32.6938)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21209E #9D9E20

analogous

#205E9E #21209E #60209E

triadic

#21209E #9E2120 #209E21

tetradic

#21209E #9E205E #9D9E20 #209E60

square

#21209E #9E205E #9D9E20 #209E60

split-complementary

#21209E #9E6020 #5E9E20

monochromatic

#0C0B38 #16166B #21209E #2C2AD1 #5C5BDE

Accessibility & contrast

On white

11.90

#21209E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#21209E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21209E

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21209E	#FFFFFF	#000000	##FFFFFF
##21209E	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00319C

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #21209e;
/* rgb */ color: rgb(33, 32, 158);
/* oklch */ color: oklch(35.6% 0.193 271.3);

Tailwind

colors: {
  custom: {
    50: '#745ebc',
    500: '#21209e',
    950: '#000000',
  },
}

SCSS

$custom: #21209e;
$custom-light: #745ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#21209e",
  "rgb": {
    "r": 33,
    "g": 32,
    "b": 158
  },
  "hsl": {
    "h": 240.476,
    "s": 66.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.35601,
    "c": 0.1927,
    "h": 271.3
  },
  "luminance": 0.03825
}

Semantic roles & 50–950 ramp

primary

#21209E

secondary

#C1C258

accent

#E93FE8

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #21209E

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

Preview Lab → · Contrast checker → · Palette generator →