#211D81#211D81

#211D81 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.159 H 274.2°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#211D81
RGB	rgb(33, 29, 129)
HSL	hsl(242, 63%, 31%)
HSV	hsv(242, 78%, 51%)
CMYK	cmyk(74.4%, 77.5%, 0%, 49.4%)
CIE-LAB	lab(19.17, 36.11, -54.99)
CIE-LCH	lch(19.17, 65.78, 303.29°)
OKLab	oklab(31.87% 0.0118 -0.159)
OKLCH	oklch(31.87% 0.159 274.2)
XYZ	xyz(5.0277, 2.7865, 21.0375)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D81 #7D811D

analogous

#1D4B81 #211D81 #531D81

triadic

#211D81 #81211D #1D8121

tetradic

#211D81 #811D4B #7D811D #1D8153

square

#211D81 #811D4B #7D811D #1D8153

split-complementary

#211D81 #81531D #4B811D

monochromatic

#07071D #14124F #211D81 #2E28B3 #4944D5

Accessibility & contrast

On white

13.48

#211D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#211D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D81

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D81	#FFFFFF	#000000	##FFFFFF
##211D81	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#002A7F

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #211d81;
/* rgb */ color: rgb(33, 29, 129);
/* oklch */ color: oklch(31.9% 0.159 274.2);

Tailwind

colors: {
  custom: {
    50: '#6d5ba7',
    500: '#211d81',
    950: '#000000',
  },
}

SCSS

$custom: #211d81;
$custom-light: #6d5ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#211d81",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 129
  },
  "hsl": {
    "h": 242.4,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3187,
    "c": 0.15949,
    "h": 274.2
  },
  "luminance": 0.02787
}

Semantic roles & 50–950 ramp

primary

#211D81

secondary

#B0B446

accent

#E641E0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #211D81

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

Preview Lab → · Contrast checker → · Palette generator →