#211B88#211B88

#211B88 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.170 H 273.8°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#211B88
RGB	rgb(33, 27, 136)
HSL	hsl(243, 67%, 32%)
HSV	hsv(243, 80%, 53%)
CMYK	cmyk(75.7%, 80.1%, 0%, 46.7%)
CIE-LAB	lab(19.57, 39.61, -58.73)
CIE-LCH	lch(19.57, 70.84, 304.00°)
OKLab	oklab(32.39% 0.0111 -0.1699)
OKLCH	oklch(32.39% 0.17 273.8)
XYZ	xyz(5.4616, 2.8842, 23.5567)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B88 #82881B

analogous

#1B4C88 #211B88 #581B88

triadic

#211B88 #88211B #1B8821

tetradic

#211B88 #881B4C #82881B #1B8858

square

#211B88 #881B4C #82881B #1B8858

split-complementary

#211B88 #88581B #4C881B

monochromatic

#080722 #151155 #211B88 #2D25BB #4C44DA

Accessibility & contrast

On white

13.32

#211B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#211B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B88

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B88	#FFFFFF	#000000	##FFFFFF
##211B88	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348B

Deuteranopia (green-blind)

#002A86

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #211b88;
/* rgb */ color: rgb(33, 27, 136);
/* oklch */ color: oklch(32.4% 0.170 273.8);

Tailwind

colors: {
  custom: {
    50: '#6f5aac',
    500: '#211b88',
    950: '#000000',
  },
}

SCSS

$custom: #211b88;
$custom-light: #6f5aac;
$custom-dark: #000000;

JSON

{
  "hex": "#211b88",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 136
  },
  "hsl": {
    "h": 243.303,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32392,
    "c": 0.17026,
    "h": 273.8
  },
  "luminance": 0.02885
}

Semantic roles & 50–950 ramp

primary

#211B88

secondary

#B4BB44

accent

#EA3EE0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #211B88

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

Preview Lab → · Contrast checker → · Palette generator →