#28186D#28186D

#28186D is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.5% C 0.137 H 282.6°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#28186D
RGB	rgb(40, 24, 109)
HSL	hsl(251, 64%, 26%)
HSV	hsv(251, 78%, 43%)
CMYK	cmyk(63.3%, 78%, 0%, 57.3%)
CIE-LAB	lab(16.54, 33.08, -46.45)
CIE-LCH	lch(16.54, 57.02, 305.46°)
OKLab	oklab(29.51% 0.03 -0.1339)
OKLCH	oklch(29.51% 0.137 282.6)
XYZ	xyz(3.9612, 2.2082, 14.6825)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28186D #5D6D18

analogous

#18326D #28186D #52186D

triadic

#28186D #6D2818 #186D28

tetradic

#28186D #6D1832 #5D6D18 #186D52

square

#28186D #6D1832 #5D6D18 #186D52

split-complementary

#28186D #6D5218 #326D18

monochromatic

#090619 #160D3B #28186D #3A239F #4D2ED1

Accessibility & contrast

On white

14.57

#28186D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#28186D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28186D

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28186D	#FFFFFF	#000000	##FFFFFF
##28186D	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6F

Deuteranopia (green-blind)

#00266B

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #28186d;
/* rgb */ color: rgb(40, 24, 109);
/* oklch */ color: oklch(29.5% 0.137 282.6);

Tailwind

colors: {
  custom: {
    50: '#6c5798',
    500: '#28186d',
    950: '#000000',
  },
}

SCSS

$custom: #28186d;
$custom-light: #6c5798;
$custom-dark: #000000;

JSON

{
  "hex": "#28186d",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 109
  },
  "hsl": {
    "h": 251.294,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29513,
    "c": 0.13722,
    "h": 282.6
  },
  "luminance": 0.02209
}

Semantic roles & 50–950 ramp

primary

#28186D

secondary

#90A33E

accent

#E741C8

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #28186D

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

Preview Lab → · Contrast checker → · Palette generator →