#28175A#28175A

#28175A is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.4% C 0.113 H 288.2°. Best body text is #FFFFFF at 15.44:1 contrast (WCAG AA passes).

Color values

HEX	#28175A
RGB	rgb(40, 23, 90)
HSL	hsl(255, 59%, 22%)
HSV	hsv(255, 74%, 35%)
CMYK	cmyk(55.6%, 74.4%, 0%, 64.7%)
CIE-LAB	lab(14.41, 27.39, -37.38)
CIE-LCH	lch(14.41, 46.34, 306.24°)
OKLab	oklab(27.41% 0.0353 -0.1073)
OKLCH	oklch(27.41% 0.113 288.2)
XYZ	xyz(3.0264, 1.8020, 9.8592)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28175A #495A17

analogous

#17285A #28175A #4A175A

triadic

#28175A #5A2817 #175A28

tetradic

#28175A #5A1728 #495A17 #175A4A

square

#28175A #5A1728 #495A17 #175A4A

split-complementary

#28175A #5A4A17 #285A17

monochromatic

#0B0618 #120B29 #28175A #3E238B #5330BB

Accessibility & contrast

On white

15.44

#28175A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#28175A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28175A

15.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28175A	#FFFFFF	#000000	##FFFFFF
##28175A	1.00	15.44	1.36	15.44
#FFFFFF	15.44	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265C

Deuteranopia (green-blind)

#002359

Tritanopia (blue-blind)

#152836

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #28175a;
/* rgb */ color: rgb(40, 23, 90);
/* oklch */ color: oklch(27.4% 0.113 288.2);

Tailwind

colors: {
  custom: {
    50: '#685589',
    500: '#28175a',
    950: '#000000',
  },
}

SCSS

$custom: #28175a;
$custom-light: #685589;
$custom-dark: #000000;

JSON

{
  "hex": "#28175a",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 90
  },
  "hsl": {
    "h": 255.224,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.27412,
    "c": 0.11299,
    "h": 288.2
  },
  "luminance": 0.01802
}

Semantic roles & 50–950 ramp

primary

#28175A

secondary

#7B913C

accent

#E245BB

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #28175A

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

Preview Lab → · Contrast checker → · Palette generator →