#211DA1#211DA1

#211DA1 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.6% C 0.199 H 271.3°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#211DA1
RGB	rgb(33, 29, 161)
HSL	hsl(242, 69%, 37%)
HSV	hsv(242, 82%, 63%)
CMYK	cmyk(79.5%, 82%, 0%, 36.9%)
CIE-LAB	lab(22.91, 46.71, -68.66)
CIE-LCH	lch(22.91, 83.04, 304.23°)
OKLab	oklab(35.59% 0.0046 -0.1987)
OKLCH	oklch(35.59% 0.199 271.3)
XYZ	xyz(7.4974, 3.7744, 34.0447)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211DA1 #9DA11D

analogous

#1D5BA1 #211DA1 #631DA1

triadic

#211DA1 #A1211D #1DA121

tetradic

#211DA1 #A11D5B #9DA11D #1DA163

square

#211DA1 #A11D5B #9DA11D #1DA163

split-complementary

#211DA1 #A1631D #5BA11D

monochromatic

#0C0A39 #16146D #211DA1 #2C26D5 #5C58E1

Accessibility & contrast

On white

11.97

#211DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#211DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211DA1

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211DA1	#FFFFFF	#000000	##FFFFFF
##211DA1	1.00	11.97	1.76	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00309F

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #211da1;
/* rgb */ color: rgb(33, 29, 161);
/* oklch */ color: oklch(35.6% 0.199 271.3);

Tailwind

colors: {
  custom: {
    50: '#755dbe',
    500: '#211da1',
    950: '#000000',
  },
}

SCSS

$custom: #211da1;
$custom-light: #755dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#211da1",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 161
  },
  "hsl": {
    "h": 241.818,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.35586,
    "c": 0.19877,
    "h": 271.3
  },
  "luminance": 0.03775
}

Semantic roles & 50–950 ramp

primary

#211DA1

secondary

#C1C455

accent

#EC3CE7

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #211DA1

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

Preview Lab → · Contrast checker → · Palette generator →