#213C83#213C83

#213C83 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.9% C 0.124 H 265.2°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#213C83
RGB	rgb(33, 60, 131)
HSL	hsl(223, 60%, 32%)
HSV	hsv(223, 75%, 51%)
CMYK	cmyk(74.8%, 54.2%, 0%, 48.6%)
CIE-LAB	lab(27.28, 16.22, -42.98)
CIE-LCH	lch(27.28, 45.94, 290.67°)
OKLab	oklab(37.89% -0.0103 -0.1237)
OKLCH	oklch(37.89% 0.124 265.2)
XYZ	xyz(6.3384, 5.1931, 22.1366)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213C83 #836821

analogous

#216D83 #213C83 #372183

triadic

#213C83 #83213C #3C8321

tetradic

#213C83 #83216D #836821 #218337

square

#213C83 #83216D #836821 #218337

split-complementary

#213C83 #833721 #6D8321

monochromatic

#080F21 #152652 #213C83 #2D52B4 #4C71D2

Accessibility & contrast

On white

10.30

#213C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#213C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C83

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213C83	#FFFFFF	#000000	##FFFFFF
##213C83	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4586

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #213c83;
/* rgb */ color: rgb(33, 60, 131);
/* oklch */ color: oklch(37.9% 0.124 265.2);

Tailwind

colors: {
  custom: {
    50: '#6b71a8',
    500: '#213c83',
    950: '#000000',
  },
}

SCSS

$custom: #213c83;
$custom-light: #6b71a8;
$custom-dark: #000000;

JSON

{
  "hex": "#213c83",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 131
  },
  "hsl": {
    "h": 223.469,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37889,
    "c": 0.1241,
    "h": 265.2
  },
  "luminance": 0.05194
}

Semantic roles & 50–950 ramp

primary

#213C83

secondary

#B5984B

accent

#B745E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #213C83

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

Preview Lab → · Contrast checker → · Palette generator →