#213D8D#213D8D

#213D8D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.137 H 265.7°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#213D8D
RGB	rgb(33, 61, 141)
HSL	hsl(224, 62%, 34%)
HSV	hsv(224, 77%, 55%)
CMYK	cmyk(76.6%, 56.7%, 0%, 44.7%)
CIE-LAB	lab(28.34, 19.50, -47.48)
CIE-LCH	lch(28.34, 51.32, 292.33°)
OKLab	oklab(38.93% -0.0103 -0.1369)
OKLCH	oklch(38.93% 0.137 265.7)
XYZ	xyz(7.1020, 5.5831, 25.8975)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D8D #8D7121

analogous

#21738D #213D8D #3B218D

triadic

#213D8D #8D213D #3D8D21

tetradic

#213D8D #8D2173 #8D7121 #218D3B

square

#213D8D #8D2173 #8D7121 #218D3B

split-complementary

#213D8D #8D3B21 #738D21

monochromatic

#0A122A #15285B #213D8D #2D52BF #5274D6

Accessibility & contrast

On white

9.92

#213D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#213D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D8D

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D8D	#FFFFFF	#000000	##FFFFFF
##213D8D	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #213d8d;
/* rgb */ color: rgb(33, 61, 141);
/* oklch */ color: oklch(38.9% 0.137 265.7);

Tailwind

colors: {
  custom: {
    50: '#6d72af',
    500: '#213d8d',
    950: '#000000',
  },
}

SCSS

$custom: #213d8d;
$custom-light: #6d72af;
$custom-dark: #000000;

JSON

{
  "hex": "#213d8d",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 141
  },
  "hsl": {
    "h": 224.444,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38932,
    "c": 0.13725,
    "h": 265.7
  },
  "luminance": 0.05584
}

Semantic roles & 50–950 ramp

primary

#213D8D

secondary

#BA9E50

accent

#BB43E5

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #213D8D

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

Preview Lab → · Contrast checker → · Palette generator →