#211B73#211B73

#211B73 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.143 H 276.4°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#211B73
RGB	rgb(33, 27, 115)
HSL	hsl(244, 62%, 28%)
HSV	hsv(244, 77%, 45%)
CMYK	cmyk(71.3%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(17.20, 32.43, -49.28)
CIE-LCH	lch(17.20, 58.99, 303.35°)
OKLab	oklab(30.02% 0.016 -0.1424)
OKLCH	oklch(30.02% 0.143 276.4)
XYZ	xyz(4.1126, 2.3446, 16.4522)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B73 #6D731B

analogous

#1B4173 #211B73 #4D1B73

triadic

#211B73 #73211B #1B7321

tetradic

#211B73 #731B41 #6D731B #1B734D

square

#211B73 #731B41 #6D731B #1B734D

split-complementary

#211B73 #734D1B #41731B

monochromatic

#070619 #130F41 #211B73 #2F27A5 #4238D0

Accessibility & contrast

On white

14.30

#211B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#211B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B73

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B73	#FFFFFF	#000000	##FFFFFF
##211B73	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E76

Deuteranopia (green-blind)

#002671

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #211b73;
/* rgb */ color: rgb(33, 27, 115);
/* oklch */ color: oklch(30.0% 0.143 276.4);

Tailwind

colors: {
  custom: {
    50: '#6a599c',
    500: '#211b73',
    950: '#000000',
  },
}

SCSS

$custom: #211b73;
$custom-light: #6a599c;
$custom-dark: #000000;

JSON

{
  "hex": "#211b73",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 244.091,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30016,
    "c": 0.1433,
    "h": 276.4
  },
  "luminance": 0.02345
}

Semantic roles & 50–950 ramp

primary

#211B73

secondary

#A1A842

accent

#E543DA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #211B73

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

Preview Lab → · Contrast checker → · Palette generator →