#213781#213781

#213781 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.128 H 267.2°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#213781
RGB	rgb(33, 55, 129)
HSL	hsl(226, 59%, 32%)
HSV	hsv(226, 74%, 51%)
CMYK	cmyk(74.4%, 57.4%, 0%, 49.4%)
CIE-LAB	lab(25.68, 18.91, -44.32)
CIE-LCH	lch(25.68, 48.18, 293.11°)
OKLab	oklab(36.64% -0.0062 -0.1277)
OKLCH	oklch(36.64% 0.128 267.2)
XYZ	xyz(5.9545, 4.6401, 21.3464)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213781 #816B21

analogous

#216781 #213781 #3B2181

triadic

#213781 #812137 #378121

tetradic

#213781 #812167 #816B21 #21813B

square

#213781 #812167 #816B21 #21813B

split-complementary

#213781 #813B21 #678121

monochromatic

#080D20 #152250 #213781 #2D4CB2 #4B6AD1

Accessibility & contrast

On white

10.89

#213781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#213781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213781

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213781	#FFFFFF	#000000	##FFFFFF
##213781	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004184

Deuteranopia (green-blind)

#003980

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #213781;
/* rgb */ color: rgb(33, 55, 129);
/* oklch */ color: oklch(36.6% 0.128 267.2);

Tailwind

colors: {
  custom: {
    50: '#6a6da6',
    500: '#213781',
    950: '#000000',
  },
}

SCSS

$custom: #213781;
$custom-light: #6a6da6;
$custom-dark: #000000;

JSON

{
  "hex": "#213781",
  "rgb": {
    "r": 33,
    "g": 55,
    "b": 129
  },
  "hsl": {
    "h": 226.25,
    "s": 59.259,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36636,
    "c": 0.12782,
    "h": 267.2
  },
  "luminance": 0.04641
}

Semantic roles & 50–950 ramp

primary

#213781

secondary

#B49B4A

accent

#BE45E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #213781

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

Preview Lab → · Contrast checker → · Palette generator →