#28186C#28186C

#28186C is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.4% C 0.136 H 282.9°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#28186C
RGB	rgb(40, 24, 108)
HSL	hsl(251, 64%, 26%)
HSV	hsv(251, 78%, 42%)
CMYK	cmyk(63%, 77.8%, 0%, 57.6%)
CIE-LAB	lab(16.44, 32.75, -45.97)
CIE-LCH	lch(16.44, 56.44, 305.46°)
OKLab	oklab(29.41% 0.0303 -0.1325)
OKLCH	oklch(29.41% 0.136 282.9)
XYZ	xyz(3.9076, 2.1868, 14.4006)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28186C #5C6C18

analogous

#18326C #28186C #52186C

triadic

#28186C #6C2818 #186C28

tetradic

#28186C #6C1832 #5C6C18 #186C52

square

#28186C #6C1832 #5C6C18 #186C52

split-complementary

#28186C #6C5218 #326C18

monochromatic

#090619 #150D3A #28186C #3B239E #4D2ED0

Accessibility & contrast

On white

14.61

#28186C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#28186C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28186C

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28186C	#FFFFFF	#000000	##FFFFFF
##28186C	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6E

Deuteranopia (green-blind)

#00266A

Tritanopia (blue-blind)

#002F40

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #28186c;
/* rgb */ color: rgb(40, 24, 108);
/* oklch */ color: oklch(29.4% 0.136 282.9);

Tailwind

colors: {
  custom: {
    50: '#6b5797',
    500: '#28186c',
    950: '#000000',
  },
}

SCSS

$custom: #28186c;
$custom-light: #6b5797;
$custom-dark: #000000;

JSON

{
  "hex": "#28186c",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 108
  },
  "hsl": {
    "h": 251.429,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29406,
    "c": 0.13591,
    "h": 282.9
  },
  "luminance": 0.02187
}

Semantic roles & 50–950 ramp

primary

#28186C

secondary

#8FA23E

accent

#E741C7

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #28186C

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

Preview Lab → · Contrast checker → · Palette generator →