#213787#213787

#213787 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.137 H 267.5°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#213787
RGB	rgb(33, 55, 135)
HSL	hsl(227, 61%, 33%)
HSV	hsv(227, 76%, 53%)
CMYK	cmyk(75.6%, 59.3%, 0%, 47.1%)
CIE-LAB	lab(26.17, 21.28, -47.28)
CIE-LCH	lch(26.17, 51.84, 294.23°)
OKLab	oklab(37.15% -0.0059 -0.1364)
OKLCH	oklch(37.15% 0.137 267.5)
XYZ	xyz(6.3650, 4.8043, 23.5088)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213787 #877121

analogous

#216A87 #213787 #3E2187

triadic

#213787 #872137 #378721

tetradic

#213787 #87216A #877121 #21873E

square

#213787 #87216A #877121 #21873E

split-complementary

#213787 #873E21 #6A8721

monochromatic

#090F25 #152356 #213787 #2D4BB8 #4F6BD4

Accessibility & contrast

On white

10.71

#213787 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#213787 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213787

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213787	#FFFFFF	#000000	##FFFFFF
##213787	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #213787;
/* rgb */ color: rgb(33, 55, 135);
/* oklch */ color: oklch(37.2% 0.137 267.5);

Tailwind

colors: {
  custom: {
    50: '#6c6dab',
    500: '#213787',
    950: '#000000',
  },
}

SCSS

$custom: #213787;
$custom-light: #6c6dab;
$custom-dark: #000000;

JSON

{
  "hex": "#213787",
  "rgb": {
    "r": 33,
    "g": 55,
    "b": 135
  },
  "hsl": {
    "h": 227.059,
    "s": 60.714,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37154,
    "c": 0.1365,
    "h": 267.5
  },
  "luminance": 0.04805
}

Semantic roles & 50–950 ramp

primary

#213787

secondary

#B7A04D

accent

#C144E4

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #213787

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

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