#211CB1#211CB1

#211CB1 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.4% C 0.218 H 270.3°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#211CB1
RGB	rgb(33, 28, 177)
HSL	hsl(242, 73%, 40%)
HSV	hsv(242, 84%, 69%)
CMYK	cmyk(81.4%, 84.2%, 0%, 30.6%)
CIE-LAB	lab(24.72, 52.15, -75.31)
CIE-LCH	lch(24.72, 91.61, 304.70°)
OKLab	oklab(37.41% 0.0011 -0.218)
OKLCH	oklch(37.41% 0.218 270.3)
XYZ	xyz(8.9756, 4.3271, 41.9486)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211CB1 #ACB11C

analogous

#1C62B1 #211CB1 #6B1CB1

triadic

#211CB1 #B1211C #1CB121

tetradic

#211CB1 #B11C62 #ACB11C #1CB16B

square

#211CB1 #B11C62 #ACB11C #1CB16B

split-complementary

#211CB1 #B16B1C #62B11C

monochromatic

#0D0B47 #17147C #211CB1 #322CDE #6661E6

Accessibility & contrast

On white

11.26

#211CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#211CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211CB1

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211CB1	#FFFFFF	#000000	##FFFFFF
##211CB1	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B5

Deuteranopia (green-blind)

#0033AF

Tritanopia (blue-blind)

#004D69

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #211cb1;
/* rgb */ color: rgb(33, 28, 177);
/* oklch */ color: oklch(37.4% 0.218 270.3);

Tailwind

colors: {
  custom: {
    50: '#795dca',
    500: '#211cb1',
    950: '#000000',
  },
}

SCSS

$custom: #211cb1;
$custom-light: #795dca;
$custom-dark: #000000;

JSON

{
  "hex": "#211cb1",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 177
  },
  "hsl": {
    "h": 242.013,
    "s": 72.683,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37406,
    "c": 0.21796,
    "h": 270.3
  },
  "luminance": 0.04328
}

Semantic roles & 50–950 ramp

primary

#211CB1

secondary

#C7CB5E

accent

#EF38E9

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #211CB1

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

Preview Lab → · Contrast checker → · Palette generator →