#213B91#213B91

#213B91 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.146 H 266.6°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#213B91
RGB	rgb(33, 59, 145)
HSL	hsl(226, 63%, 35%)
HSV	hsv(226, 77%, 57%)
CMYK	cmyk(77.2%, 59.3%, 0%, 43.1%)
CIE-LAB	lab(28.10, 22.45, -50.32)
CIE-LCH	lch(28.10, 55.10, 294.04°)
OKLab	oklab(38.86% -0.0086 -0.1453)
OKLCH	oklch(38.86% 0.146 266.6)
XYZ	xyz(7.3002, 5.4948, 27.4584)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B91 #917721

analogous

#217391 #213B91 #3F2191

triadic

#213B91 #91213B #3B9121

tetradic

#213B91 #912173 #917721 #21913F

square

#213B91 #912173 #917721 #21913F

split-complementary

#213B91 #913F21 #739121

monochromatic

#0A122D #16275F #213B91 #2C4FC3 #5473D8

Accessibility & contrast

On white

10.00

#213B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#213B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B91

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B91	#FFFFFF	#000000	##FFFFFF
##213B91	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004894

Deuteranopia (green-blind)

#003D8F

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #213b91;
/* rgb */ color: rgb(33, 59, 145);
/* oklch */ color: oklch(38.9% 0.146 266.6);

Tailwind

colors: {
  custom: {
    50: '#6e70b2',
    500: '#213b91',
    950: '#000000',
  },
}

SCSS

$custom: #213b91;
$custom-light: #6e70b2;
$custom-dark: #000000;

JSON

{
  "hex": "#213b91",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 145
  },
  "hsl": {
    "h": 226.071,
    "s": 62.921,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38857,
    "c": 0.14551,
    "h": 266.6
  },
  "luminance": 0.05496
}

Semantic roles & 50–950 ramp

primary

#213B91

secondary

#BCA352

accent

#C042E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #213B91

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

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