#211D73#211D73

#211D73 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.141 H 276.0°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#211D73
RGB	rgb(33, 29, 115)
HSL	hsl(243, 60%, 28%)
HSV	hsv(243, 75%, 45%)
CMYK	cmyk(71.3%, 74.8%, 0%, 54.9%)
CIE-LAB	lab(17.64, 31.20, -48.55)
CIE-LCH	lch(17.64, 57.71, 302.72°)
OKLab	oklab(30.33% 0.0147 -0.1403)
OKLCH	oklch(30.33% 0.141 276)
XYZ	xyz(4.1601, 2.4395, 16.4680)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D73 #6F731D

analogous

#1D4473 #211D73 #4C1D73

triadic

#211D73 #73211D #1D7321

tetradic

#211D73 #731D44 #6F731D #1D734C

square

#211D73 #731D44 #6F731D #1D734C

split-complementary

#211D73 #734C1D #44731D

monochromatic

#070618 #131142 #211D73 #2F29A4 #433CCE

Accessibility & contrast

On white

14.11

#211D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#211D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D73

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D73	#FFFFFF	#000000	##FFFFFF
##211D73	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F76

Deuteranopia (green-blind)

#002771

Tritanopia (blue-blind)

#003546

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #211d73;
/* rgb */ color: rgb(33, 29, 115);
/* oklch */ color: oklch(30.3% 0.141 276.0);

Tailwind

colors: {
  custom: {
    50: '#695a9c',
    500: '#211d73',
    950: '#000000',
  },
}

SCSS

$custom: #211d73;
$custom-light: #695a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#211d73",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 115
  },
  "hsl": {
    "h": 242.791,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30331,
    "c": 0.14106,
    "h": 276
  },
  "luminance": 0.0244
}

Semantic roles & 50–950 ramp

primary

#211D73

secondary

#A3A745

accent

#E345DC

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #211D73

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

Preview Lab → · Contrast checker → · Palette generator →