#211D66#211D66

#211D66 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.0% C 0.123 H 277.9°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#211D66
RGB	rgb(33, 29, 102)
HSL	hsl(243, 56%, 26%)
HSV	hsv(243, 72%, 40%)
CMYK	cmyk(67.6%, 71.6%, 0%, 60%)
CIE-LAB	lab(16.31, 26.50, -42.27)
CIE-LCH	lch(16.31, 49.89, 302.09°)
OKLab	oklab(28.97% 0.0168 -0.1219)
OKLCH	oklch(28.97% 0.123 277.9)
XYZ	xyz(3.4641, 2.1611, 12.8024)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D66 #62661D

analogous

#1D3D66 #211D66 #451D66

triadic

#211D66 #66211D #1D6621

tetradic

#211D66 #661D3D #62661D #1D6645

square

#211D66 #661D3D #62661D #1D6645

split-complementary

#211D66 #66451D #3D661D

monochromatic

#080718 #120F36 #211D66 #302B96 #4038C5

Accessibility & contrast

On white

14.66

#211D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#211D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D66

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D66	#FFFFFF	#000000	##FFFFFF
##211D66	1.00	14.66	1.43	14.66
#FFFFFF	14.66	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B68

Deuteranopia (green-blind)

#002565

Tritanopia (blue-blind)

#00303F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #211d66;
/* rgb */ color: rgb(33, 29, 102);
/* oklch */ color: oklch(29.0% 0.123 277.9);

Tailwind

colors: {
  custom: {
    50: '#665992',
    500: '#211d66',
    950: '#000000',
  },
}

SCSS

$custom: #211d66;
$custom-light: #665992;
$custom-dark: #000000;

JSON

{
  "hex": "#211d66",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 102
  },
  "hsl": {
    "h": 243.288,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28969,
    "c": 0.12309,
    "h": 277.9
  },
  "luminance": 0.02161
}

Semantic roles & 50–950 ramp

primary

#211D66

secondary

#969B44

accent

#DF49D7

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #211D66

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

Preview Lab → · Contrast checker → · Palette generator →