#211B9D#211B9D

#211B9D is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.9% C 0.196 H 271.8°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#211B9D
RGB	rgb(33, 27, 157)
HSL	hsl(243, 71%, 36%)
HSV	hsv(243, 83%, 62%)
CMYK	cmyk(79%, 82.8%, 0%, 38.4%)
CIE-LAB	lab(22.09, 46.42, -67.58)
CIE-LCH	lch(22.09, 81.98, 304.49°)
OKLab	oklab(34.88% 0.0061 -0.1955)
OKLCH	oklch(34.88% 0.196 271.8)
XYZ	xyz(7.1029, 3.5407, 32.2008)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B9D #979D1B

analogous

#1B569D #211B9D #621B9D

triadic

#211B9D #9D211B #1B9D21

tetradic

#211B9D #9D1B56 #979D1B #1B9D62

square

#211B9D #9D1B56 #979D1B #1B9D62

split-complementary

#211B9D #9D621B #569D1B

monochromatic

#0B0935 #161269 #211B9D #2C24D1 #5851E1

Accessibility & contrast

On white

12.29

#211B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#211B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B9D

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B9D	#FFFFFF	#000000	##FFFFFF
##211B9D	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA1

Deuteranopia (green-blind)

#002E9B

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #211b9d;
/* rgb */ color: rgb(33, 27, 157);
/* oklch */ color: oklch(34.9% 0.196 271.8);

Tailwind

colors: {
  custom: {
    50: '#745bbb',
    500: '#211b9d',
    950: '#000000',
  },
}

SCSS

$custom: #211b9d;
$custom-light: #745bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#211b9d",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 157
  },
  "hsl": {
    "h": 242.769,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.34876,
    "c": 0.19564,
    "h": 271.8
  },
  "luminance": 0.03542
}

Semantic roles & 50–950 ramp

primary

#211B9D

secondary

#BEC450

accent

#ED3AE5

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #211B9D

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

Preview Lab → · Contrast checker → · Palette generator →