#213E88#213E88

#213E88 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.129 H 264.8°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#213E88
RGB	rgb(33, 62, 136)
HSL	hsl(223, 61%, 33%)
HSV	hsv(223, 76%, 53%)
CMYK	cmyk(75.7%, 54.4%, 0%, 46.7%)
CIE-LAB	lab(28.24, 16.82, -44.55)
CIE-LCH	lch(28.24, 47.62, 290.69°)
OKLab	oklab(38.73% -0.0116 -0.1282)
OKLCH	oklch(38.73% 0.129 264.8)
XYZ	xyz(6.7922, 5.5454, 24.0002)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213E88 #886B21

analogous

#217188 #213E88 #372188

triadic

#213E88 #88213E #3E8821

tetradic

#213E88 #882171 #886B21 #218837

square

#213E88 #882171 #886B21 #218837

split-complementary

#213E88 #883721 #718821

monochromatic

#091125 #152857 #213E88 #2D54B9 #4F75D4

Accessibility & contrast

On white

9.96

#213E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#213E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213E88

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213E88	#FFFFFF	#000000	##FFFFFF
##213E88	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09488B

Deuteranopia (green-blind)

#003E87

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #213e88;
/* rgb */ color: rgb(33, 62, 136);
/* oklch */ color: oklch(38.7% 0.129 264.8);

Tailwind

colors: {
  custom: {
    50: '#6c72ab',
    500: '#213e88',
    950: '#000000',
  },
}

SCSS

$custom: #213e88;
$custom-light: #6c72ab;
$custom-dark: #000000;

JSON

{
  "hex": "#213e88",
  "rgb": {
    "r": 33,
    "g": 62,
    "b": 136
  },
  "hsl": {
    "h": 223.107,
    "s": 60.947,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38734,
    "c": 0.12875,
    "h": 264.8
  },
  "luminance": 0.05546
}

Semantic roles & 50–950 ramp

primary

#213E88

secondary

#B89A4D

accent

#B744E4

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #213E88

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

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