#211DA9#211DA9

#211DA9 is a dark, highly saturated blue. Relative luminance 0.041; OKLCH L 36.5% C 0.208 H 270.8°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#211DA9
RGB	rgb(33, 29, 169)
HSL	hsl(242, 71%, 39%)
HSV	hsv(242, 83%, 66%)
CMYK	cmyk(80.5%, 82.8%, 0%, 33.7%)
CIE-LAB	lab(23.89, 49.23, -71.89)
CIE-LCH	lch(23.89, 87.13, 304.41°)
OKLab	oklab(36.54% 0.0028 -0.2081)
OKLCH	oklch(36.54% 0.208 270.8)
XYZ	xyz(8.2256, 4.0657, 37.8797)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211DA9 #A5A91D

analogous

#1D5FA9 #211DA9 #671DA9

triadic

#211DA9 #A9211D #1DA921

tetradic

#211DA9 #A91D5F #A5A91D #1DA967

square

#211DA9 #A91D5F #A5A91D #1DA967

split-complementary

#211DA9 #A9671D #5FA91D

monochromatic

#0D0B41 #171475 #211DA9 #2E29DA #615DE3

Accessibility & contrast

On white

11.58

#211DA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#211DA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211DA9

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211DA9	#FFFFFF	#000000	##FFFFFF
##211DA9	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AD

Deuteranopia (green-blind)

#0032A7

Tritanopia (blue-blind)

#004A65

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #211da9;
/* rgb */ color: rgb(33, 29, 169);
/* oklch */ color: oklch(36.5% 0.208 270.8);

Tailwind

colors: {
  custom: {
    50: '#775dc4',
    500: '#211da9',
    950: '#000000',
  },
}

SCSS

$custom: #211da9;
$custom-light: #775dc4;
$custom-dark: #000000;

JSON

{
  "hex": "#211da9",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 169
  },
  "hsl": {
    "h": 241.714,
    "s": 70.707,
    "l": 38.824
  },
  "oklch": {
    "l": 0.36544,
    "c": 0.2081,
    "h": 270.8
  },
  "luminance": 0.04067
}

Semantic roles & 50–950 ramp

primary

#211DA9

secondary

#C4C75A

accent

#ED3AE8

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #211DA9

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

Preview Lab → · Contrast checker → · Palette generator →