#211B83#211B83

#211B83 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.164 H 274.3°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#211B83
RGB	rgb(33, 27, 131)
HSL	hsl(243, 66%, 31%)
HSV	hsv(243, 79%, 51%)
CMYK	cmyk(74.8%, 79.4%, 0%, 48.6%)
CIE-LAB	lab(18.99, 37.93, -56.54)
CIE-LCH	lch(18.99, 68.08, 303.86°)
OKLab	oklab(31.82% 0.0123 -0.1635)
OKLCH	oklch(31.82% 0.164 274.3)
XYZ	xyz(5.1145, 2.7454, 21.7287)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B83 #7D831B

analogous

#1B4983 #211B83 #551B83

triadic

#211B83 #83211B #1B8321

tetradic

#211B83 #831B49 #7D831B #1B8355

square

#211B83 #831B49 #7D831B #1B8355

split-complementary

#211B83 #83551B #49831B

monochromatic

#07061E #141150 #211B83 #2E25B6 #4941D8

Accessibility & contrast

On white

13.56

#211B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#211B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B83

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B83	#FFFFFF	#000000	##FFFFFF
##211B83	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003386

Deuteranopia (green-blind)

#002981

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #211b83;
/* rgb */ color: rgb(33, 27, 131);
/* oklch */ color: oklch(31.8% 0.164 274.3);

Tailwind

colors: {
  custom: {
    50: '#6e5aa8',
    500: '#211b83',
    950: '#000000',
  },
}

SCSS

$custom: #211b83;
$custom-light: #6e5aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#211b83",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 131
  },
  "hsl": {
    "h": 243.462,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31815,
    "c": 0.164,
    "h": 274.3
  },
  "luminance": 0.02746
}

Semantic roles & 50–950 ramp

primary

#211B83

secondary

#B0B643

accent

#E93FDF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #211B83

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

Preview Lab → · Contrast checker → · Palette generator →