#213791#213791

#213791 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.0% C 0.151 H 267.8°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#213791
RGB	rgb(33, 55, 145)
HSL	hsl(228, 63%, 35%)
HSV	hsv(228, 77%, 57%)
CMYK	cmyk(77.2%, 62.1%, 0%, 43.1%)
CIE-LAB	lab(27.02, 25.19, -52.09)
CIE-LCH	lch(27.02, 57.86, 295.80°)
OKLab	oklab(38.05% -0.0057 -0.1505)
OKLCH	oklch(38.05% 0.151 267.8)
XYZ	xyz(7.1024, 5.0993, 27.3925)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213791 #917B21

analogous

#216F91 #213791 #432191

triadic

#213791 #912137 #379121

tetradic

#213791 #91216F #917B21 #219143

square

#213791 #91216F #917B21 #219143

split-complementary

#213791 #914321 #6F9121

monochromatic

#0A112D #16245F #213791 #2C4AC3 #546ED8

Accessibility & contrast

On white

10.40

#213791 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#213791 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213791

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213791	#FFFFFF	#000000	##FFFFFF
##213791	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004594

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #213791;
/* rgb */ color: rgb(33, 55, 145);
/* oklch */ color: oklch(38.0% 0.151 267.8);

Tailwind

colors: {
  custom: {
    50: '#6e6db2',
    500: '#213791',
    950: '#000000',
  },
}

SCSS

$custom: #213791;
$custom-light: #6e6db2;
$custom-dark: #000000;

JSON

{
  "hex": "#213791",
  "rgb": {
    "r": 33,
    "g": 55,
    "b": 145
  },
  "hsl": {
    "h": 228.214,
    "s": 62.921,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38048,
    "c": 0.15062,
    "h": 267.8
  },
  "luminance": 0.051
}

Semantic roles & 50–950 ramp

primary

#213791

secondary

#BCA752

accent

#C642E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #213791

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

Preview Lab → · Contrast checker → · Palette generator →