#21239A#21239A

#21239A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.5% C 0.185 H 271.3°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#21239A
RGB	rgb(33, 35, 154)
HSL	hsl(239, 65%, 37%)
HSV	hsv(239, 79%, 60%)
CMYK	cmyk(78.6%, 77.3%, 0%, 39.6%)
CIE-LAB	lab(23.20, 41.23, -63.91)
CIE-LCH	lch(23.20, 76.05, 302.83°)
OKLab	oklab(35.55% 0.0041 -0.185)
OKLCH	oklch(35.55% 0.185 271.3)
XYZ	xyz(7.0590, 3.8577, 30.9382)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21239A #9A9821

analogous

#21609A #21239A #5C219A

triadic

#21239A #9A2123 #239A21

tetradic

#21239A #9A2160 #9A9821 #219A5C

square

#21239A #9A2160 #9A9821 #219A5C

split-complementary

#21239A #9A5C21 #609A21

monochromatic

#0B0C35 #161868 #21239A #2C2ECC #5A5CDC

Accessibility & contrast

On white

11.85

#21239A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#21239A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21239A

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21239A	#FFFFFF	#000000	##FFFFFF
##21239A	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9D

Deuteranopia (green-blind)

#003198

Tritanopia (blue-blind)

#00475D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #21239a;
/* rgb */ color: rgb(33, 35, 154);
/* oklch */ color: oklch(35.5% 0.185 271.3);

Tailwind

colors: {
  custom: {
    50: '#7360b9',
    500: '#21239a',
    950: '#000000',
  },
}

SCSS

$custom: #21239a;
$custom-light: #7360b9;
$custom-dark: #000000;

JSON

{
  "hex": "#21239a",
  "rgb": {
    "r": 33,
    "g": 35,
    "b": 154
  },
  "hsl": {
    "h": 239.008,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35547,
    "c": 0.18508,
    "h": 271.3
  },
  "luminance": 0.03858
}

Semantic roles & 50–950 ramp

primary

#21239A

secondary

#C0BE57

accent

#E540E8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #21239A

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

Preview Lab → · Contrast checker → · Palette generator →