#213C73#213C73

#213C73 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.100 H 262.8°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#213C73
RGB	rgb(33, 60, 115)
HSL	hsl(220, 55%, 29%)
HSV	hsv(220, 71%, 45%)
CMYK	cmyk(71.3%, 47.8%, 0%, 54.9%)
CIE-LAB	lab(26.13, 9.84, -34.75)
CIE-LCH	lch(26.13, 36.12, 285.82°)
OKLab	oklab(36.65% -0.0126 -0.0994)
OKLCH	oklch(36.65% 0.1 262.8)
XYZ	xyz(5.3365, 4.7923, 16.8601)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213C73 #735821

analogous

#216573 #213C73 #2F2173

triadic

#213C73 #73213C #3C7321

tetradic

#213C73 #732165 #735821 #21732F

square

#213C73 #732165 #735821 #21732F

split-complementary

#213C73 #732F21 #657321

monochromatic

#070C18 #132343 #213C73 #2F55A3 #4571CA

Accessibility & contrast

On white

10.72

#213C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#213C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C73

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213C73	#FFFFFF	#000000	##FFFFFF
##213C73	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204275

Deuteranopia (green-blind)

#113A72

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #213c73;
/* rgb */ color: rgb(33, 60, 115);
/* oklch */ color: oklch(36.7% 0.100 262.8);

Tailwind

colors: {
  custom: {
    50: '#67719c',
    500: '#213c73',
    950: '#000000',
  },
}

SCSS

$custom: #213c73;
$custom-light: #67719c;
$custom-dark: #000000;

JSON

{
  "hex": "#213c73",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 115
  },
  "hsl": {
    "h": 220.244,
    "s": 55.405,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36651,
    "c": 0.10024,
    "h": 262.8
  },
  "luminance": 0.04793
}

Semantic roles & 50–950 ramp

primary

#213C73

secondary

#A68849

accent

#AD49DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #213C73

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

Preview Lab → · Contrast checker → · Palette generator →