#21239F#21239F

#21239F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.1% C 0.191 H 271.0°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#21239F
RGB	rgb(33, 35, 159)
HSL	hsl(239, 66%, 38%)
HSV	hsv(239, 79%, 62%)
CMYK	cmyk(79.2%, 78%, 0%, 37.6%)
CIE-LAB	lab(23.76, 42.91, -66.03)
CIE-LCH	lch(23.76, 78.75, 303.02°)
OKLab	oklab(36.11% 0.0032 -0.1912)
OKLCH	oklch(36.11% 0.191 271)
XYZ	xyz(7.4841, 4.0278, 33.1772)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21239F #9F9D21

analogous

#21629F #21239F #5E219F

triadic

#21239F #9F2123 #239F21

tetradic

#21239F #9F2162 #9F9D21 #219F5E

square

#21239F #9F2162 #9F9D21 #219F5E

split-complementary

#21239F #9F5E21 #629F21

monochromatic

#0C0D3A #16186C #21239F #2C2ED2 #5D5FDD

Accessibility & contrast

On white

11.63

#21239F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#21239F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21239F

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21239F	#FFFFFF	#000000	##FFFFFF
##21239F	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA3

Deuteranopia (green-blind)

#00329D

Tritanopia (blue-blind)

#004860

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #21239f;
/* rgb */ color: rgb(33, 35, 159);
/* oklch */ color: oklch(36.1% 0.191 271.0);

Tailwind

colors: {
  custom: {
    50: '#7460bd',
    500: '#21239f',
    950: '#000000',
  },
}

SCSS

$custom: #21239f;
$custom-light: #7460bd;
$custom-dark: #000000;

JSON

{
  "hex": "#21239f",
  "rgb": {
    "r": 33,
    "g": 35,
    "b": 159
  },
  "hsl": {
    "h": 239.048,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36114,
    "c": 0.19121,
    "h": 271
  },
  "luminance": 0.04029
}

Semantic roles & 50–950 ramp

primary

#21239F

secondary

#C2C05A

accent

#E63FE9

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #21239F

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

Preview Lab → · Contrast checker → · Palette generator →