#28216B#28216B

#28216B is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.8% C 0.123 H 280.5°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#28216B
RGB	rgb(40, 33, 107)
HSL	hsl(246, 53%, 27%)
HSV	hsv(246, 69%, 42%)
CMYK	cmyk(62.6%, 69.2%, 0%, 58%)
CIE-LAB	lab(18.37, 26.83, -42.16)
CIE-LCH	lch(18.37, 49.97, 302.47°)
OKLab	oklab(30.76% 0.0226 -0.1214)
OKLCH	oklch(30.76% 0.123 280.5)
XYZ	xyz(4.0719, 2.6001, 14.1944)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28216B #646B21

analogous

#213F6B #28216B #4D216B

triadic

#28216B #6B2821 #216B28

tetradic

#28216B #6B213F #646B21 #216B4D

square

#28216B #6B213F #646B21 #216B4D

split-complementary

#28216B #6B4D21 #3F6B21

monochromatic

#090717 #17133C #28216B #392F9A #4E42C5

Accessibility & contrast

On white

13.82

#28216B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#28216B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28216B

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28216B	#FFFFFF	#000000	##FFFFFF
##28216B	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#002A6A

Tritanopia (blue-blind)

#003442

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #28216b;
/* rgb */ color: rgb(40, 33, 107);
/* oklch */ color: oklch(30.8% 0.123 280.5);

Tailwind

colors: {
  custom: {
    50: '#6a5d96',
    500: '#28216b',
    950: '#000000',
  },
}

SCSS

$custom: #28216b;
$custom-light: #6a5d96;
$custom-dark: #000000;

JSON

{
  "hex": "#28216b",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 107
  },
  "hsl": {
    "h": 245.676,
    "s": 52.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.30755,
    "c": 0.12344,
    "h": 280.5
  },
  "luminance": 0.026
}

Semantic roles & 50–950 ramp

primary

#28216B

secondary

#979F49

accent

#DC4CCF

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040D

muted

#7A797E

Preview Lab

Preview with #28216B

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

Preview Lab → · Contrast checker → · Palette generator →