#21479A#21479A

#21479A is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.1% C 0.143 H 263.1°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#21479A
RGB	rgb(33, 71, 154)
HSL	hsl(221, 65%, 37%)
HSV	hsv(221, 79%, 60%)
CMYK	cmyk(78.6%, 53.9%, 0%, 39.6%)
CIE-LAB	lab(32.17, 17.79, -49.20)
CIE-LCH	lch(32.17, 52.32, 289.88°)
OKLab	oklab(42.15% -0.017 -0.1418)
OKLCH	oklch(42.15% 0.143 263.1)
XYZ	xyz(8.7111, 7.1619, 31.4889)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21479A #9A7421

analogous

#21849A #21479A #38219A

triadic

#21479A #9A2147 #479A21

tetradic

#21479A #9A2184 #9A7421 #219A38

square

#21479A #9A2184 #9A7421 #219A38

split-complementary

#21479A #9A3821 #849A21

monochromatic

#0B1935 #163068 #21479A #2C5ECC #5A83DC

Accessibility & contrast

On white

8.63

#21479A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#21479A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21479A

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21479A	#FFFFFF	#000000	##FFFFFF
##21479A	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08529D

Deuteranopia (green-blind)

#004698

Tritanopia (blue-blind)

#005B69

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #21479a;
/* rgb */ color: rgb(33, 71, 154);
/* oklch */ color: oklch(42.1% 0.143 263.1);

Tailwind

colors: {
  custom: {
    50: '#7079b8',
    500: '#21479a',
    950: '#000000',
  },
}

SCSS

$custom: #21479a;
$custom-light: #7079b8;
$custom-dark: #000000;

JSON

{
  "hex": "#21479a",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 154
  },
  "hsl": {
    "h": 221.157,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.4215,
    "c": 0.14278,
    "h": 263.1
  },
  "luminance": 0.07163
}

Semantic roles & 50–950 ramp

primary

#21479A

secondary

#C09F57

accent

#B340E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #21479A

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

Preview Lab → · Contrast checker → · Palette generator →