#213D8A#213D8A

#213D8A is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.133 H 265.4°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#213D8A
RGB	rgb(33, 61, 138)
HSL	hsl(224, 61%, 34%)
HSV	hsv(224, 76%, 54%)
CMYK	cmyk(76.1%, 55.8%, 0%, 45.9%)
CIE-LAB	lab(28.10, 18.31, -46.00)
CIE-LCH	lch(28.10, 49.51, 291.70°)
OKLab	oklab(38.68% -0.0106 -0.1325)
OKLCH	oklch(38.68% 0.133 265.4)
XYZ	xyz(6.8818, 5.4951, 24.7378)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D8A #8A6E21

analogous

#21718A #213D8A #39218A

triadic

#213D8A #8A213D #3D8A21

tetradic

#213D8A #8A2171 #8A6E21 #218A39

square

#213D8A #8A2171 #8A6E21 #218A39

split-complementary

#213D8A #8A3921 #718A21

monochromatic

#091127 #152759 #213D8A #2D53BB #5074D5

Accessibility & contrast

On white

10.00

#213D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#213D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D8A

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D8A	#FFFFFF	#000000	##FFFFFF
##213D8A	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478D

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #213d8a;
/* rgb */ color: rgb(33, 61, 138);
/* oklch */ color: oklch(38.7% 0.133 265.4);

Tailwind

colors: {
  custom: {
    50: '#6c72ad',
    500: '#213d8a',
    950: '#000000',
  },
}

SCSS

$custom: #213d8a;
$custom-light: #6c72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#213d8a",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 138
  },
  "hsl": {
    "h": 224,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38681,
    "c": 0.13295,
    "h": 265.4
  },
  "luminance": 0.05496
}

Semantic roles & 50–950 ramp

primary

#213D8A

secondary

#B99C4E

accent

#BA43E5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #213D8A

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

Preview Lab → · Contrast checker → · Palette generator →