#21216C#21216C

#21216C is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.3% C 0.126 H 275.8°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#21216C
RGB	rgb(33, 33, 108)
HSL	hsl(240, 53%, 28%)
HSV	hsv(240, 69%, 42%)
CMYK	cmyk(69.4%, 69.4%, 0%, 57.6%)
CIE-LAB	lab(17.89, 26.04, -43.61)
CIE-LCH	lch(17.89, 50.80, 300.84°)
OKLab	oklab(30.29% 0.0127 -0.1258)
OKLCH	oklch(30.29% 0.126 275.8)
XYZ	xyz(3.8769, 2.4934, 14.4614)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21216C #6C6C21

analogous

#21466C #21216C #46216C

triadic

#21216C #6C2121 #216C21

tetradic

#21216C #6C2146 #6C6C21 #216C46

square

#21216C #6C2146 #6C6C21 #216C46

split-complementary

#21216C #6C4621 #466C21

monochromatic

#070717 #13133D #21216C #2F2F9B #4242C5

Accessibility & contrast

On white

14.01

#21216C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#21216C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21216C

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21216C	#FFFFFF	#000000	##FFFFFF
##21216C	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6E

Deuteranopia (green-blind)

#00286B

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #21216c;
/* rgb */ color: rgb(33, 33, 108);
/* oklch */ color: oklch(30.3% 0.126 275.8);

Tailwind

colors: {
  custom: {
    50: '#675c97',
    500: '#21216c',
    950: '#000000',
  },
}

SCSS

$custom: #21216c;
$custom-light: #675c97;
$custom-dark: #000000;

JSON

{
  "hex": "#21216c",
  "rgb": {
    "r": 33,
    "g": 33,
    "b": 108
  },
  "hsl": {
    "h": 240,
    "s": 53.191,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30292,
    "c": 0.12649,
    "h": 275.8
  },
  "luminance": 0.02494
}

Semantic roles & 50–950 ramp

primary

#21216C

secondary

#A0A049

accent

#DD4BDD

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040D

muted

#7A797E

Preview Lab

Preview with #21216C

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

Preview Lab → · Contrast checker → · Palette generator →