#211B84#211B84

#211B84 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.165 H 274.2°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#211B84
RGB	rgb(33, 27, 132)
HSL	hsl(243, 66%, 31%)
HSV	hsv(243, 80%, 52%)
CMYK	cmyk(75%, 79.5%, 0%, 48.2%)
CIE-LAB	lab(19.11, 38.27, -56.98)
CIE-LCH	lch(19.11, 68.64, 303.88°)
OKLab	oklab(31.93% 0.0121 -0.1648)
OKLCH	oklch(31.93% 0.165 274.2)
XYZ	xyz(5.1826, 2.7726, 22.0874)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B84 #7E841B

analogous

#1B4984 #211B84 #551B84

triadic

#211B84 #84211B #1B8421

tetradic

#211B84 #841B49 #7E841B #1B8455

square

#211B84 #841B49 #7E841B #1B8455

split-complementary

#211B84 #84551B #49841B

monochromatic

#08061E #141151 #211B84 #2E25B7 #4A41D8

Accessibility & contrast

On white

13.51

#211B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#211B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B84

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B84	#FFFFFF	#000000	##FFFFFF
##211B84	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003387

Deuteranopia (green-blind)

#002982

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #211b84;
/* rgb */ color: rgb(33, 27, 132);
/* oklch */ color: oklch(31.9% 0.165 274.2);

Tailwind

colors: {
  custom: {
    50: '#6e5aa9',
    500: '#211b84',
    950: '#000000',
  },
}

SCSS

$custom: #211b84;
$custom-light: #6e5aa9;
$custom-dark: #000000;

JSON

{
  "hex": "#211b84",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 132
  },
  "hsl": {
    "h": 243.429,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3193,
    "c": 0.16526,
    "h": 274.2
  },
  "luminance": 0.02773
}

Semantic roles & 50–950 ramp

primary

#211B84

secondary

#B1B743

accent

#E93FDF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #211B84

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

Preview Lab → · Contrast checker → · Palette generator →