#213683#213683

#213683 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.132 H 267.7°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#213683
RGB	rgb(33, 54, 131)
HSL	hsl(227, 60%, 32%)
HSV	hsv(227, 75%, 51%)
CMYK	cmyk(74.8%, 58.8%, 0%, 48.6%)
CIE-LAB	lab(25.56, 20.40, -45.77)
CIE-LCH	lch(25.56, 50.11, 294.02°)
OKLab	oklab(36.6% -0.0052 -0.132)
OKLCH	oklch(36.6% 0.132 267.7)
XYZ	xyz(6.0417, 4.5997, 22.0378)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213683 #836E21

analogous

#216783 #213683 #3D2183

triadic

#213683 #832136 #368321

tetradic

#213683 #832167 #836E21 #21833D

square

#213683 #832167 #836E21 #21833D

split-complementary

#213683 #833D21 #678321

monochromatic

#080E21 #152252 #213683 #2D4AB4 #4C69D2

Accessibility & contrast

On white

10.94

#213683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#213683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213683

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213683	#FFFFFF	#000000	##FFFFFF
##213683	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004186

Deuteranopia (green-blind)

#003881

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #213683;
/* rgb */ color: rgb(33, 54, 131);
/* oklch */ color: oklch(36.6% 0.132 267.7);

Tailwind

colors: {
  custom: {
    50: '#6b6ca8',
    500: '#213683',
    950: '#000000',
  },
}

SCSS

$custom: #213683;
$custom-light: #6b6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#213683",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 131
  },
  "hsl": {
    "h": 227.143,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36596,
    "c": 0.13205,
    "h": 267.7
  },
  "luminance": 0.046
}

Semantic roles & 50–950 ramp

primary

#213683

secondary

#B59E4B

accent

#C145E3

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #213683

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

Preview Lab → · Contrast checker → · Palette generator →