#213A8A#213A8A

#213A8A is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.137 H 266.6°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#213A8A
RGB	rgb(33, 58, 138)
HSL	hsl(226, 61%, 34%)
HSV	hsv(226, 76%, 54%)
CMYK	cmyk(76.1%, 58%, 0%, 45.9%)
CIE-LAB	lab(27.25, 20.38, -47.38)
CIE-LCH	lch(27.25, 51.58, 293.28°)
OKLab	oklab(38.04% -0.0081 -0.1366)
OKLCH	oklch(38.04% 0.137 266.6)
XYZ	xyz(6.7261, 5.1837, 24.6859)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213A8A #8A7121

analogous

#216E8A #213A8A #3C218A

triadic

#213A8A #8A213A #3A8A21

tetradic

#213A8A #8A216E #8A7121 #218A3C

square

#213A8A #8A216E #8A7121 #218A3C

split-complementary

#213A8A #8A3C21 #6E8A21

monochromatic

#091027 #152559 #213A8A #2D4FBB #5070D5

Accessibility & contrast

On white

10.31

#213A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#213A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213A8A

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213A8A	#FFFFFF	#000000	##FFFFFF
##213A8A	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #213a8a;
/* rgb */ color: rgb(33, 58, 138);
/* oklch */ color: oklch(38.0% 0.137 266.6);

Tailwind

colors: {
  custom: {
    50: '#6c6fad',
    500: '#213a8a',
    950: '#000000',
  },
}

SCSS

$custom: #213a8a;
$custom-light: #6c6fad;
$custom-dark: #000000;

JSON

{
  "hex": "#213a8a",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 138
  },
  "hsl": {
    "h": 225.714,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38042,
    "c": 0.13687,
    "h": 266.6
  },
  "luminance": 0.05184
}

Semantic roles & 50–950 ramp

primary

#213A8A

secondary

#B99F4E

accent

#BE43E5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #213A8A

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

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