#211D8D#211D8D

#211D8D is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.175 H 273.0°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#211D8D
RGB	rgb(33, 29, 141)
HSL	hsl(242, 66%, 33%)
HSV	hsv(242, 79%, 55%)
CMYK	cmyk(76.6%, 79.4%, 0%, 44.7%)
CIE-LAB	lab(20.54, 40.19, -60.27)
CIE-LCH	lch(20.54, 72.44, 303.70°)
OKLab	oklab(33.24% 0.0092 -0.1744)
OKLCH	oklch(33.24% 0.175 273)
XYZ	xyz(5.8727, 3.1245, 25.4877)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D8D #898D1D

analogous

#1D518D #211D8D #591D8D

triadic

#211D8D #8D211D #1D8D21

tetradic

#211D8D #8D1D51 #898D1D #1D8D59

square

#211D8D #8D1D51 #898D1D #1D8D59

split-complementary

#211D8D #8D591D #518D1D

monochromatic

#090827 #15135A #211D8D #2D27C0 #504BDA

Accessibility & contrast

On white

12.92

#211D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#211D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D8D

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D8D	#FFFFFF	#000000	##FFFFFF
##211D8D	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#002C8B

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #211d8d;
/* rgb */ color: rgb(33, 29, 141);
/* oklch */ color: oklch(33.2% 0.175 273.0);

Tailwind

colors: {
  custom: {
    50: '#705bb0',
    500: '#211d8d',
    950: '#000000',
  },
}

SCSS

$custom: #211d8d;
$custom-light: #705bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#211d8d",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 141
  },
  "hsl": {
    "h": 242.143,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33237,
    "c": 0.17463,
    "h": 273
  },
  "luminance": 0.03125
}

Semantic roles & 50–950 ramp

primary

#211D8D

secondary

#B8BC4A

accent

#E93FE3

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #211D8D

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

Preview Lab → · Contrast checker → · Palette generator →