#21216B#21216B

#21216B is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.2% C 0.125 H 275.9°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#21216B
RGB	rgb(33, 33, 107)
HSL	hsl(240, 53%, 27%)
HSV	hsv(240, 69%, 42%)
CMYK	cmyk(69.2%, 69.2%, 0%, 58%)
CIE-LAB	lab(17.79, 25.67, -43.12)
CIE-LCH	lch(17.79, 50.18, 300.77°)
OKLab	oklab(30.19% 0.0128 -0.1244)
OKLCH	oklch(30.19% 0.125 275.9)
XYZ	xyz(3.8240, 2.4723, 14.1827)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21216B #6B6B21

analogous

#21466B #21216B #46216B

triadic

#21216B #6B2121 #216B21

tetradic

#21216B #6B2146 #6B6B21 #216B46

square

#21216B #6B2146 #6B6B21 #216B46

split-complementary

#21216B #6B4621 #466B21

monochromatic

#070717 #13133C #21216B #2F2F9A #4242C5

Accessibility & contrast

On white

14.05

#21216B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#21216B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21216B

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21216B	#FFFFFF	#000000	##FFFFFF
##21216B	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#00286A

Tritanopia (blue-blind)

#003442

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #21216b;
/* rgb */ color: rgb(33, 33, 107);
/* oklch */ color: oklch(30.2% 0.125 275.9);

Tailwind

colors: {
  custom: {
    50: '#675c96',
    500: '#21216b',
    950: '#000000',
  },
}

SCSS

$custom: #21216b;
$custom-light: #675c96;
$custom-dark: #000000;

JSON

{
  "hex": "#21216b",
  "rgb": {
    "r": 33,
    "g": 33,
    "b": 107
  },
  "hsl": {
    "h": 240,
    "s": 52.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.30193,
    "c": 0.12506,
    "h": 275.9
  },
  "luminance": 0.02473
}

Semantic roles & 50–950 ramp

primary

#21216B

secondary

#9F9F49

accent

#DC4CDC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040D

muted

#7A797E

Preview Lab

Preview with #21216B

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

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