#21277A#21277A

#21277A is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.8% C 0.139 H 272.7°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#21277A
RGB	rgb(33, 39, 122)
HSL	hsl(236, 57%, 30%)
HSV	hsv(236, 73%, 48%)
CMYK	cmyk(73%, 68%, 0%, 52.2%)
CIE-LAB	lab(20.75, 27.25, -47.94)
CIE-LCH	lch(20.75, 55.15, 299.61°)
OKLab	oklab(32.79% 0.0066 -0.1385)
OKLCH	oklch(32.79% 0.139 272.7)
XYZ	xyz(4.8644, 3.1790, 18.7658)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21277A #7A7421

analogous

#21537A #21277A #47217A

triadic

#21277A #7A2127 #277A21

tetradic

#21277A #7A2153 #7A7421 #217A47

square

#21277A #7A2153 #7A7421 #217A47

split-complementary

#21277A #7A4721 #537A21

monochromatic

#07081A #14184A #21277A #2E36AA #4851CD

Accessibility & contrast

On white

12.84

#21277A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#21277A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21277A

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21277A	#FFFFFF	#000000	##FFFFFF
##21277A	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367D

Deuteranopia (green-blind)

#002E78

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #21277a;
/* rgb */ color: rgb(33, 39, 122);
/* oklch */ color: oklch(32.8% 0.139 272.7);

Tailwind

colors: {
  custom: {
    50: '#6a61a1',
    500: '#21277a',
    950: '#000000',
  },
}

SCSS

$custom: #21277a;
$custom-light: #6a61a1;
$custom-dark: #000000;

JSON

{
  "hex": "#21277a",
  "rgb": {
    "r": 33,
    "g": 39,
    "b": 122
  },
  "hsl": {
    "h": 235.955,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32786,
    "c": 0.13866,
    "h": 272.7
  },
  "luminance": 0.0318
}

Semantic roles & 50–950 ramp

primary

#21277A

secondary

#ADA64A

accent

#D647E1

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #21277A

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

Preview Lab → · Contrast checker → · Palette generator →