#213D83#213D83

#213D83 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.123 H 264.8°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#213D83
RGB	rgb(33, 61, 131)
HSL	hsl(223, 60%, 32%)
HSV	hsv(223, 75%, 51%)
CMYK	cmyk(74.8%, 53.4%, 0%, 48.6%)
CIE-LAB	lab(27.57, 15.52, -42.51)
CIE-LCH	lch(27.57, 45.26, 290.06°)
OKLab	oklab(38.11% -0.0112 -0.1223)
OKLCH	oklch(38.11% 0.123 264.8)
XYZ	xyz(6.3912, 5.2988, 22.1543)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D83 #836721

analogous

#216E83 #213D83 #362183

triadic

#213D83 #83213D #3D8321

tetradic

#213D83 #83216E #836721 #218336

square

#213D83 #83216E #836721 #218336

split-complementary

#213D83 #833621 #6E8321

monochromatic

#080F21 #152652 #213D83 #2D54B4 #4C73D2

Accessibility & contrast

On white

10.19

#213D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#213D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D83

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D83	#FFFFFF	#000000	##FFFFFF
##213D83	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4685

Deuteranopia (green-blind)

#003D82

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #213d83;
/* rgb */ color: rgb(33, 61, 131);
/* oklch */ color: oklch(38.1% 0.123 264.8);

Tailwind

colors: {
  custom: {
    50: '#6b72a8',
    500: '#213d83',
    950: '#000000',
  },
}

SCSS

$custom: #213d83;
$custom-light: #6b72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#213d83",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 131
  },
  "hsl": {
    "h": 222.857,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3811,
    "c": 0.12277,
    "h": 264.8
  },
  "luminance": 0.053
}

Semantic roles & 50–950 ramp

primary

#213D83

secondary

#B5974B

accent

#B645E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #213D83

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

Preview Lab → · Contrast checker → · Palette generator →