#21217D#21217D

#21217D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.0% C 0.150 H 273.9°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#21217D
RGB	rgb(33, 33, 125)
HSL	hsl(240, 58%, 31%)
HSV	hsv(240, 74%, 49%)
CMYK	cmyk(73.6%, 73.6%, 0%, 51%)
CIE-LAB	lab(19.60, 32.27, -51.73)
CIE-LCH	lch(19.60, 60.97, 301.95°)
OKLab	oklab(32.05% 0.0103 -0.1496)
OKLCH	oklch(32.05% 0.15 273.9)
XYZ	xyz(4.8715, 2.8912, 19.6994)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21217D #7D7D21

analogous

#214F7D #21217D #4F217D

triadic

#21217D #7D2121 #217D21

tetradic

#21217D #7D214F #7D7D21 #217D4F

square

#21217D #7D214F #7D7D21 #217D4F

split-complementary

#21217D #7D4F21 #4F7D21

monochromatic

#07071C #14144D #21217D #2E2EAD #4949CF

Accessibility & contrast

On white

13.30

#21217D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#21217D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21217D

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21217D	#FFFFFF	#000000	##FFFFFF
##21217D	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#002B7B

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #21217d;
/* rgb */ color: rgb(33, 33, 125);
/* oklch */ color: oklch(32.0% 0.150 273.9);

Tailwind

colors: {
  custom: {
    50: '#6b5da4',
    500: '#21217d',
    950: '#000000',
  },
}

SCSS

$custom: #21217d;
$custom-light: #6b5da4;
$custom-dark: #000000;

JSON

{
  "hex": "#21217d",
  "rgb": {
    "r": 33,
    "g": 33,
    "b": 125
  },
  "hsl": {
    "h": 240,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3205,
    "c": 0.14995,
    "h": 273.9
  },
  "luminance": 0.02892
}

Semantic roles & 50–950 ramp

primary

#21217D

secondary

#B0B04A

accent

#E146E1

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #21217D

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

Preview Lab → · Contrast checker → · Palette generator →