#211D9C#211D9C

#211D9C is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.0% C 0.193 H 271.7°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#211D9C
RGB	rgb(33, 29, 156)
HSL	hsl(242, 69%, 36%)
HSV	hsv(242, 81%, 61%)
CMYK	cmyk(78.8%, 81.4%, 0%, 38.8%)
CIE-LAB	lab(22.31, 45.11, -66.60)
CIE-LCH	lch(22.31, 80.44, 304.11°)
OKLab	oklab(34.99% 0.0057 -0.1928)
OKLCH	oklch(34.99% 0.193 271.7)
XYZ	xyz(7.0653, 3.6016, 31.7689)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D9C #989C1D

analogous

#1D599C #211D9C #611D9C

triadic

#211D9C #9C211D #1D9C21

tetradic

#211D9C #9C1D59 #989C1D #1D9C61

square

#211D9C #9C1D59 #989C1D #1D9C61

split-complementary

#211D9C #9C611D #599C1D

monochromatic

#0B0A35 #161368 #211D9C #2C27D0 #5954DF

Accessibility & contrast

On white

12.21

#211D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#211D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D9C

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D9C	#FFFFFF	#000000	##FFFFFF
##211D9C	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9F

Deuteranopia (green-blind)

#002F9A

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #211d9c;
/* rgb */ color: rgb(33, 29, 156);
/* oklch */ color: oklch(35.0% 0.193 271.7);

Tailwind

colors: {
  custom: {
    50: '#745cbb',
    500: '#211d9c',
    950: '#000000',
  },
}

SCSS

$custom: #211d9c;
$custom-light: #745cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#211d9c",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 156
  },
  "hsl": {
    "h": 241.89,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.34992,
    "c": 0.19286,
    "h": 271.7
  },
  "luminance": 0.03602
}

Semantic roles & 50–950 ramp

primary

#211D9C

secondary

#BFC252

accent

#EB3CE6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #211D9C

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

Preview Lab → · Contrast checker → · Palette generator →