#21217C#21217C

#21217C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.9% C 0.149 H 274.0°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#21217C
RGB	rgb(33, 33, 124)
HSL	hsl(240, 58%, 31%)
HSV	hsv(240, 73%, 49%)
CMYK	cmyk(73.4%, 73.4%, 0%, 51.4%)
CIE-LAB	lab(19.50, 31.91, -51.27)
CIE-LCH	lch(19.50, 60.39, 301.90°)
OKLab	oklab(31.94% 0.0105 -0.1482)
OKLCH	oklch(31.94% 0.149 274)
XYZ	xyz(4.8079, 2.8658, 19.3647)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21217C #7C7C21

analogous

#214E7C #21217C #4E217C

triadic

#21217C #7C2121 #217C21

tetradic

#21217C #7C214E #7C7C21 #217C4E

square

#21217C #7C214E #7C7C21 #217C4E

split-complementary

#21217C #7C4E21 #4E7C21

monochromatic

#07071B #14144C #21217C #2E2EAC #4949CF

Accessibility & contrast

On white

13.35

#21217C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#21217C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21217C

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21217C	#FFFFFF	#000000	##FFFFFF
##21217C	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#002B7A

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #21217c;
/* rgb */ color: rgb(33, 33, 124);
/* oklch */ color: oklch(31.9% 0.149 274.0);

Tailwind

colors: {
  custom: {
    50: '#6b5da3',
    500: '#21217c',
    950: '#000000',
  },
}

SCSS

$custom: #21217c;
$custom-light: #6b5da3;
$custom-dark: #000000;

JSON

{
  "hex": "#21217c",
  "rgb": {
    "r": 33,
    "g": 33,
    "b": 124
  },
  "hsl": {
    "h": 240,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31944,
    "c": 0.1486,
    "h": 274
  },
  "luminance": 0.02866
}

Semantic roles & 50–950 ramp

primary

#21217C

secondary

#AFAF4A

accent

#E147E1

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #21217C

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

Preview Lab → · Contrast checker → · Palette generator →