#213783#213783

#213783 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.131 H 267.3°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#213783
RGB	rgb(33, 55, 131)
HSL	hsl(227, 60%, 32%)
HSV	hsv(227, 75%, 51%)
CMYK	cmyk(74.8%, 58%, 0%, 48.6%)
CIE-LAB	lab(25.84, 19.70, -45.31)
CIE-LCH	lch(25.84, 49.41, 293.50°)
OKLab	oklab(36.81% -0.0061 -0.1306)
OKLCH	oklch(36.81% 0.131 267.3)
XYZ	xyz(6.0887, 4.6938, 22.0534)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213783 #836D21

analogous

#216883 #213783 #3C2183

triadic

#213783 #832137 #378321

tetradic

#213783 #832168 #836D21 #21833C

square

#213783 #832168 #836D21 #21833C

split-complementary

#213783 #833C21 #688321

monochromatic

#080E21 #152252 #213783 #2D4CB4 #4C6AD2

Accessibility & contrast

On white

10.83

#213783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#213783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213783

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213783	#FFFFFF	#000000	##FFFFFF
##213783	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004286

Deuteranopia (green-blind)

#003981

Tritanopia (blue-blind)

#004A57

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #213783;
/* rgb */ color: rgb(33, 55, 131);
/* oklch */ color: oklch(36.8% 0.131 267.3);

Tailwind

colors: {
  custom: {
    50: '#6b6da8',
    500: '#213783',
    950: '#000000',
  },
}

SCSS

$custom: #213783;
$custom-light: #6b6da8;
$custom-dark: #000000;

JSON

{
  "hex": "#213783",
  "rgb": {
    "r": 33,
    "g": 55,
    "b": 131
  },
  "hsl": {
    "h": 226.531,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36807,
    "c": 0.13073,
    "h": 267.3
  },
  "luminance": 0.04694
}

Semantic roles & 50–950 ramp

primary

#213783

secondary

#B59D4B

accent

#BF45E3

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #213783

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

Preview Lab → · Contrast checker → · Palette generator →