#21287A#21287A

#21287A is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.137 H 272.5°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#21287A
RGB	rgb(33, 40, 122)
HSL	hsl(235, 57%, 30%)
HSV	hsv(235, 73%, 48%)
CMYK	cmyk(73%, 67.2%, 0%, 52.2%)
CIE-LAB	lab(21.00, 26.57, -47.53)
CIE-LCH	lch(21.00, 54.45, 299.21°)
OKLab	oklab(32.97% 0.0059 -0.1373)
OKLCH	oklch(32.97% 0.137 272.5)
XYZ	xyz(4.8977, 3.2456, 18.7769)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21287A #7A7321

analogous

#21547A #21287A #46217A

triadic

#21287A #7A2128 #287A21

tetradic

#21287A #7A2154 #7A7321 #217A46

square

#21287A #7A2154 #7A7321 #217A46

split-complementary

#21287A #7A4621 #547A21

monochromatic

#07081A #14184A #21287A #2E38AA #4852CD

Accessibility & contrast

On white

12.73

#21287A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#21287A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21287A

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21287A	#FFFFFF	#000000	##FFFFFF
##21287A	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377D

Deuteranopia (green-blind)

#002E78

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #21287a;
/* rgb */ color: rgb(33, 40, 122);
/* oklch */ color: oklch(33.0% 0.137 272.5);

Tailwind

colors: {
  custom: {
    50: '#6a62a1',
    500: '#21287a',
    950: '#000000',
  },
}

SCSS

$custom: #21287a;
$custom-light: #6a62a1;
$custom-dark: #000000;

JSON

{
  "hex": "#21287a",
  "rgb": {
    "r": 33,
    "g": 40,
    "b": 122
  },
  "hsl": {
    "h": 235.281,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32972,
    "c": 0.13741,
    "h": 272.5
  },
  "luminance": 0.03246
}

Semantic roles & 50–950 ramp

primary

#21287A

secondary

#ADA54A

accent

#D547E1

background

#F6F5FA

surface

#ECEAF3

border

#C7C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #21287A

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

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