#213B82#213B82

#213B82 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.6% C 0.124 H 265.6°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#213B82
RGB	rgb(33, 59, 130)
HSL	hsl(224, 60%, 32%)
HSV	hsv(224, 75%, 51%)
CMYK	cmyk(74.6%, 54.6%, 0%, 49%)
CIE-LAB	lab(26.91, 16.52, -42.95)
CIE-LCH	lch(26.91, 46.02, 291.03°)
OKLab	oklab(37.59% -0.0096 -0.1236)
OKLCH	oklch(37.59% 0.124 265.6)
XYZ	xyz(6.2190, 5.0623, 21.7641)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B82 #826821

analogous

#216B82 #213B82 #382182

triadic

#213B82 #82213B #3B8221

tetradic

#213B82 #82216B #826821 #218238

square

#213B82 #82216B #826821 #218238

split-complementary

#213B82 #823821 #6B8221

monochromatic

#080F20 #152551 #213B82 #2D51B3 #4C70D2

Accessibility & contrast

On white

10.43

#213B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#213B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B82

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B82	#FFFFFF	#000000	##FFFFFF
##213B82	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094485

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#004C58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #213b82;
/* rgb */ color: rgb(33, 59, 130);
/* oklch */ color: oklch(37.6% 0.124 265.6);

Tailwind

colors: {
  custom: {
    50: '#6a70a7',
    500: '#213b82',
    950: '#000000',
  },
}

SCSS

$custom: #213b82;
$custom-light: #6a70a7;
$custom-dark: #000000;

JSON

{
  "hex": "#213b82",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 130
  },
  "hsl": {
    "h": 223.918,
    "s": 59.509,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37587,
    "c": 0.12396,
    "h": 265.6
  },
  "luminance": 0.05063
}

Semantic roles & 50–950 ramp

primary

#213B82

secondary

#B4984A

accent

#B845E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #213B82

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

Preview Lab → · Contrast checker → · Palette generator →