#211B91#211B91

#211B91 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.181 H 272.8°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#211B91
RGB	rgb(33, 27, 145)
HSL	hsl(243, 69%, 34%)
HSV	hsv(243, 81%, 57%)
CMYK	cmyk(77.2%, 81.4%, 0%, 43.1%)
CIE-LAB	lab(20.64, 42.57, -62.59)
CIE-LCH	lch(20.64, 75.69, 304.22°)
OKLab	oklab(33.45% 0.009 -0.1811)
OKLCH	oklch(33.45% 0.181 272.8)
XYZ	xyz(6.1283, 3.1509, 27.0678)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B91 #8B911B

analogous

#1B5091 #211B91 #5C1B91

triadic

#211B91 #91211B #1B9121

tetradic

#211B91 #911B50 #8B911B #1B915C

square

#211B91 #911B50 #8B911B #1B915C

split-complementary

#211B91 #915C1B #50911B

monochromatic

#0A082A #15115D #211B91 #2D25C5 #5149DD

Accessibility & contrast

On white

12.88

#211B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#211B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B91

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B91	#FFFFFF	#000000	##FFFFFF
##211B91	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003794

Deuteranopia (green-blind)

#002C8F

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #211b91;
/* rgb */ color: rgb(33, 27, 145);
/* oklch */ color: oklch(33.4% 0.181 272.8);

Tailwind

colors: {
  custom: {
    50: '#715ab3',
    500: '#211b91',
    950: '#000000',
  },
}

SCSS

$custom: #211b91;
$custom-light: #715ab3;
$custom-dark: #000000;

JSON

{
  "hex": "#211b91",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 145
  },
  "hsl": {
    "h": 243.051,
    "s": 68.605,
    "l": 33.725
  },
  "oklch": {
    "l": 0.33446,
    "c": 0.18131,
    "h": 272.8
  },
  "luminance": 0.03152
}

Semantic roles & 50–950 ramp

primary

#211B91

secondary

#B9BF49

accent

#EB3CE3

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #211B91

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

Preview Lab → · Contrast checker → · Palette generator →