#213B8D#213B8D

#213B8D is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.140 H 266.4°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#213B8D
RGB	rgb(33, 59, 141)
HSL	hsl(226, 62%, 34%)
HSV	hsv(226, 77%, 55%)
CMYK	cmyk(76.6%, 58.2%, 0%, 44.7%)
CIE-LAB	lab(27.77, 20.88, -48.39)
CIE-LCH	lch(27.77, 52.70, 293.34°)
OKLab	oklab(38.51% -0.0088 -0.1396)
OKLCH	oklch(38.51% 0.14 266.4)
XYZ	xyz(6.9972, 5.3736, 25.8626)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B8D #8D7321

analogous

#21718D #213B8D #3D218D

triadic

#213B8D #8D213B #3B8D21

tetradic

#213B8D #8D2171 #8D7321 #218D3D

square

#213B8D #8D2171 #8D7321 #218D3D

split-complementary

#213B8D #8D3D21 #718D21

monochromatic

#0A112A #15265B #213B8D #2D50BF #5272D6

Accessibility & contrast

On white

10.12

#213B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#213B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B8D

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B8D	#FFFFFF	#000000	##FFFFFF
##213B8D	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004790

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #213b8d;
/* rgb */ color: rgb(33, 59, 141);
/* oklch */ color: oklch(38.5% 0.140 266.4);

Tailwind

colors: {
  custom: {
    50: '#6d70af',
    500: '#213b8d',
    950: '#000000',
  },
}

SCSS

$custom: #213b8d;
$custom-light: #6d70af;
$custom-dark: #000000;

JSON

{
  "hex": "#213b8d",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 141
  },
  "hsl": {
    "h": 225.556,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.3851,
    "c": 0.13985,
    "h": 266.4
  },
  "luminance": 0.05374
}

Semantic roles & 50–950 ramp

primary

#213B8D

secondary

#BAA050

accent

#BE43E5

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #213B8D

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

Preview Lab → · Contrast checker → · Palette generator →