#213371#213371

#213371 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.4% C 0.109 H 268.0°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#213371
RGB	rgb(33, 51, 113)
HSL	hsl(227, 55%, 29%)
HSV	hsv(227, 71%, 44%)
CMYK	cmyk(70.8%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(23.28, 15.38, -38.07)
CIE-LCH	lch(23.28, 41.06, 292.00°)
OKLab	oklab(34.43% -0.0038 -0.1094)
OKLCH	oklch(34.43% 0.109 268)
XYZ	xyz(4.7906, 3.8828, 16.1166)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213371 #715F21

analogous

#215B71 #213371 #372171

triadic

#213371 #712133 #337121

tetradic

#213371 #71215B #715F21 #217137

square

#213371 #71215B #715F21 #217137

split-complementary

#213371 #713721 #5B7121

monochromatic

#070B18 #131E42 #213371 #2F48A0 #4462C8

Accessibility & contrast

On white

11.82

#213371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#213371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213371

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213371	#FFFFFF	#000000	##FFFFFF
##213371	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3B73

Deuteranopia (green-blind)

#003470

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #213371;
/* rgb */ color: rgb(33, 51, 113);
/* oklch */ color: oklch(34.4% 0.109 268.0);

Tailwind

colors: {
  custom: {
    50: '#676a9a',
    500: '#213371',
    950: '#000000',
  },
}

SCSS

$custom: #213371;
$custom-light: #676a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#213371",
  "rgb": {
    "r": 33,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 226.5,
    "s": 54.795,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34429,
    "c": 0.10944,
    "h": 268
  },
  "luminance": 0.03883
}

Semantic roles & 50–950 ramp

primary

#213371

secondary

#A59049

accent

#BD4ADE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #213371

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

Preview Lab → · Contrast checker → · Palette generator →