#21479D#21479D

#21479D is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.4% C 0.147 H 263.5°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#21479D
RGB	rgb(33, 71, 157)
HSL	hsl(222, 65%, 37%)
HSV	hsv(222, 79%, 62%)
CMYK	cmyk(79%, 54.8%, 0%, 38.4%)
CIE-LAB	lab(32.40, 18.98, -50.65)
CIE-LCH	lch(32.40, 54.09, 290.54°)
OKLab	oklab(42.39% -0.0168 -0.146)
OKLCH	oklch(42.39% 0.147 263.5)
XYZ	xyz(8.9641, 7.2631, 32.8212)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21479D #9D7721

analogous

#21859D #21479D #39219D

triadic

#21479D #9D2147 #479D21

tetradic

#21479D #9D2185 #9D7721 #219D39

square

#21479D #9D2185 #9D7721 #219D39

split-complementary

#21479D #9D3921 #859D21

monochromatic

#0C1938 #16306A #21479D #2C5ED0 #5C83DD

Accessibility & contrast

On white

8.56

#21479D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#21479D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21479D

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21479D	#FFFFFF	#000000	##FFFFFF
##21479D	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A0

Deuteranopia (green-blind)

#00479B

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #21479d;
/* rgb */ color: rgb(33, 71, 157);
/* oklch */ color: oklch(42.4% 0.147 263.5);

Tailwind

colors: {
  custom: {
    50: '#7079bb',
    500: '#21479d',
    950: '#000000',
  },
}

SCSS

$custom: #21479d;
$custom-light: #7079bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21479d",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 157
  },
  "hsl": {
    "h": 221.613,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.42393,
    "c": 0.14699,
    "h": 263.5
  },
  "luminance": 0.07264
}

Semantic roles & 50–950 ramp

primary

#21479D

secondary

#C1A159

accent

#B540E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #21479D

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

Preview Lab → · Contrast checker → · Palette generator →