#213D73#213D73

#213D73 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.099 H 262.1°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#213D73
RGB	rgb(33, 61, 115)
HSL	hsl(220, 55%, 29%)
HSV	hsv(220, 71%, 45%)
CMYK	cmyk(71.3%, 47%, 0%, 54.9%)
CIE-LAB	lab(26.44, 9.15, -34.26)
CIE-LCH	lch(26.44, 35.46, 284.95°)
OKLab	oklab(36.89% -0.0136 -0.098)
OKLCH	oklch(36.89% 0.099 262.1)
XYZ	xyz(5.3894, 4.8981, 16.8777)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D73 #735721

analogous

#216673 #213D73 #2E2173

triadic

#213D73 #73213D #3D7321

tetradic

#213D73 #732166 #735721 #21732E

square

#213D73 #732166 #735721 #21732E

split-complementary

#213D73 #732E21 #667321

monochromatic

#070D18 #132443 #213D73 #2F56A3 #4572CA

Accessibility & contrast

On white

10.61

#213D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#213D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D73

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D73	#FFFFFF	#000000	##FFFFFF
##213D73	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224375

Deuteranopia (green-blind)

#133B72

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #213d73;
/* rgb */ color: rgb(33, 61, 115);
/* oklch */ color: oklch(36.9% 0.099 262.1);

Tailwind

colors: {
  custom: {
    50: '#67729c',
    500: '#213d73',
    950: '#000000',
  },
}

SCSS

$custom: #213d73;
$custom-light: #67729c;
$custom-dark: #000000;

JSON

{
  "hex": "#213d73",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 115
  },
  "hsl": {
    "h": 219.512,
    "s": 55.405,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36888,
    "c": 0.09892,
    "h": 262.1
  },
  "luminance": 0.04899
}

Semantic roles & 50–950 ramp

primary

#213D73

secondary

#A68749

accent

#AC49DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #213D73

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

Preview Lab → · Contrast checker → · Palette generator →