#213A8D#213A8D

#213A8D is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.141 H 266.8°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#213A8D
RGB	rgb(33, 58, 141)
HSL	hsl(226, 62%, 34%)
HSV	hsv(226, 77%, 55%)
CMYK	cmyk(76.6%, 58.9%, 0%, 44.7%)
CIE-LAB	lab(27.50, 21.57, -48.84)
CIE-LCH	lch(27.50, 53.39, 293.82°)
OKLab	oklab(38.3% -0.008 -0.1409)
OKLCH	oklch(38.3% 0.141 266.8)
XYZ	xyz(6.9463, 5.2718, 25.8456)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213A8D #8D7421

analogous

#21708D #213A8D #3E218D

triadic

#213A8D #8D213A #3A8D21

tetradic

#213A8D #8D2170 #8D7421 #218D3E

square

#213A8D #8D2170 #8D7421 #218D3E

split-complementary

#213A8D #8D3E21 #708D21

monochromatic

#0A112A #15265B #213A8D #2D4EBF #5271D6

Accessibility & contrast

On white

10.22

#213A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#213A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213A8D

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213A8D	#FFFFFF	#000000	##FFFFFF
##213A8D	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #213a8d;
/* rgb */ color: rgb(33, 58, 141);
/* oklch */ color: oklch(38.3% 0.141 266.8);

Tailwind

colors: {
  custom: {
    50: '#6d6faf',
    500: '#213a8d',
    950: '#000000',
  },
}

SCSS

$custom: #213a8d;
$custom-light: #6d6faf;
$custom-dark: #000000;

JSON

{
  "hex": "#213a8d",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 141
  },
  "hsl": {
    "h": 226.111,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38301,
    "c": 0.14116,
    "h": 266.8
  },
  "luminance": 0.05273
}

Semantic roles & 50–950 ramp

primary

#213A8D

secondary

#BAA150

accent

#C043E5

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #213A8D

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

Preview Lab → · Contrast checker → · Palette generator →