#28216C#28216C

#28216C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.125 H 280.4°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#28216C
RGB	rgb(40, 33, 108)
HSL	hsl(246, 53%, 28%)
HSV	hsv(246, 69%, 42%)
CMYK	cmyk(63%, 69.4%, 0%, 57.6%)
CIE-LAB	lab(18.46, 27.18, -42.66)
CIE-LCH	lch(18.46, 50.58, 302.50°)
OKLab	oklab(30.85% 0.0225 -0.1228)
OKLCH	oklch(30.85% 0.125 280.4)
XYZ	xyz(4.1248, 2.6212, 14.4730)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28216C #656C21

analogous

#213F6C #28216C #4D216C

triadic

#28216C #6C2821 #216C28

tetradic

#28216C #6C213F #656C21 #216C4D

square

#28216C #6C213F #656C21 #216C4D

split-complementary

#28216C #6C4D21 #3F6C21

monochromatic

#090717 #17133D #28216C #392F9B #4E42C5

Accessibility & contrast

On white

13.78

#28216C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#28216C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28216C

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28216C	#FFFFFF	#000000	##FFFFFF
##28216C	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306E

Deuteranopia (green-blind)

#002A6B

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #28216c;
/* rgb */ color: rgb(40, 33, 108);
/* oklch */ color: oklch(30.9% 0.125 280.4);

Tailwind

colors: {
  custom: {
    50: '#6b5d97',
    500: '#28216c',
    950: '#000000',
  },
}

SCSS

$custom: #28216c;
$custom-light: #6b5d97;
$custom-dark: #000000;

JSON

{
  "hex": "#28216c",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 108
  },
  "hsl": {
    "h": 245.6,
    "s": 53.191,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30851,
    "c": 0.12487,
    "h": 280.4
  },
  "luminance": 0.02622
}

Semantic roles & 50–950 ramp

primary

#28216C

secondary

#98A049

accent

#DD4BCF

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040D

muted

#7A797E

Preview Lab

Preview with #28216C

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

Preview Lab → · Contrast checker → · Palette generator →