#28186B#28186B

#28186B is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.3% C 0.135 H 283.1°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#28186B
RGB	rgb(40, 24, 107)
HSL	hsl(252, 63%, 26%)
HSV	hsv(252, 78%, 42%)
CMYK	cmyk(62.6%, 77.6%, 0%, 58%)
CIE-LAB	lab(16.33, 32.42, -45.49)
CIE-LCH	lch(16.33, 55.86, 305.47°)
OKLab	oklab(29.3% 0.0305 -0.1311)
OKLCH	oklch(29.3% 0.135 283.1)
XYZ	xyz(3.8547, 2.1657, 14.1220)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28186B #5B6B18

analogous

#18316B #28186B #51186B

triadic

#28186B #6B2818 #186B28

tetradic

#28186B #6B1831 #5B6B18 #186B51

square

#28186B #6B1831 #5B6B18 #186B51

split-complementary

#28186B #6B5118 #316B18

monochromatic

#090619 #150D39 #28186B #3B239D #4D2ECF

Accessibility & contrast

On white

14.65

#28186B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#28186B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28186B

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28186B	#FFFFFF	#000000	##FFFFFF
##28186B	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6D

Deuteranopia (green-blind)

#002669

Tritanopia (blue-blind)

#002F40

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #28186b;
/* rgb */ color: rgb(40, 24, 107);
/* oklch */ color: oklch(29.3% 0.135 283.1);

Tailwind

colors: {
  custom: {
    50: '#6b5796',
    500: '#28186b',
    950: '#000000',
  },
}

SCSS

$custom: #28186b;
$custom-light: #6b5796;
$custom-dark: #000000;

JSON

{
  "hex": "#28186b",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 107
  },
  "hsl": {
    "h": 251.566,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.293,
    "c": 0.13461,
    "h": 283.1
  },
  "luminance": 0.02166
}

Semantic roles & 50–950 ramp

primary

#28186B

secondary

#8EA13E

accent

#E641C7

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #28186B

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

Preview Lab → · Contrast checker → · Palette generator →