#213B8A#213B8A

#213B8A is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.136 H 266.2°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#213B8A
RGB	rgb(33, 59, 138)
HSL	hsl(225, 61%, 34%)
HSV	hsv(225, 76%, 54%)
CMYK	cmyk(76.1%, 57.2%, 0%, 45.9%)
CIE-LAB	lab(27.53, 19.69, -46.92)
CIE-LCH	lch(27.53, 50.89, 292.76°)
OKLab	oklab(38.25% -0.0089 -0.1353)
OKLCH	oklch(38.25% 0.136 266.2)
XYZ	xyz(6.7770, 5.2855, 24.7029)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B8A #8A7021

analogous

#216F8A #213B8A #3B218A

triadic

#213B8A #8A213B #3B8A21

tetradic

#213B8A #8A216F #8A7021 #218A3B

square

#213B8A #8A216F #8A7021 #218A3B

split-complementary

#213B8A #8A3B21 #6F8A21

monochromatic

#091127 #152659 #213B8A #2D50BB #5071D5

Accessibility & contrast

On white

10.21

#213B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#213B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B8A

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B8A	#FFFFFF	#000000	##FFFFFF
##213B8A	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #213b8a;
/* rgb */ color: rgb(33, 59, 138);
/* oklch */ color: oklch(38.3% 0.136 266.2);

Tailwind

colors: {
  custom: {
    50: '#6c70ad',
    500: '#213b8a',
    950: '#000000',
  },
}

SCSS

$custom: #213b8a;
$custom-light: #6c70ad;
$custom-dark: #000000;

JSON

{
  "hex": "#213b8a",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 138
  },
  "hsl": {
    "h": 225.143,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38253,
    "c": 0.13556,
    "h": 266.2
  },
  "luminance": 0.05286
}

Semantic roles & 50–950 ramp

primary

#213B8A

secondary

#B99E4E

accent

#BD43E5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #213B8A

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

Preview Lab → · Contrast checker → · Palette generator →