#213B83#213B83

#213B83 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.7% C 0.125 H 265.7°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#213B83
RGB	rgb(33, 59, 131)
HSL	hsl(224, 60%, 32%)
HSV	hsv(224, 75%, 51%)
CMYK	cmyk(74.8%, 55%, 0%, 48.6%)
CIE-LAB	lab(26.99, 16.91, -43.45)
CIE-LCH	lch(26.99, 46.63, 291.27°)
OKLab	oklab(37.67% -0.0095 -0.1251)
OKLCH	oklch(37.67% 0.125 265.7)
XYZ	xyz(6.2865, 5.0893, 22.1194)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B83 #836921

analogous

#216C83 #213B83 #382183

triadic

#213B83 #83213B #3B8321

tetradic

#213B83 #83216C #836921 #218338

square

#213B83 #83216C #836921 #218338

split-complementary

#213B83 #833821 #6C8321

monochromatic

#080F21 #152552 #213B83 #2D51B4 #4C70D2

Accessibility & contrast

On white

10.41

#213B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#213B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B83

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B83	#FFFFFF	#000000	##FFFFFF
##213B83	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064486

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #213b83;
/* rgb */ color: rgb(33, 59, 131);
/* oklch */ color: oklch(37.7% 0.125 265.7);

Tailwind

colors: {
  custom: {
    50: '#6b70a8',
    500: '#213b83',
    950: '#000000',
  },
}

SCSS

$custom: #213b83;
$custom-light: #6b70a8;
$custom-dark: #000000;

JSON

{
  "hex": "#213b83",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 131
  },
  "hsl": {
    "h": 224.082,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37669,
    "c": 0.12543,
    "h": 265.7
  },
  "luminance": 0.0509
}

Semantic roles & 50–950 ramp

primary

#213B83

secondary

#B5994B

accent

#B945E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #213B83

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

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