#28155B#28155B

#28155B is a dark, moderate violet. Relative luminance 0.017; OKLCH L 27.2% C 0.117 H 288.5°. Best body text is #FFFFFF at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#28155B
RGB	rgb(40, 21, 91)
HSL	hsl(256, 63%, 22%)
HSV	hsv(256, 77%, 36%)
CMYK	cmyk(56%, 76.9%, 0%, 64.3%)
CIE-LAB	lab(14.07, 28.93, -38.60)
CIE-LCH	lch(14.07, 48.24, 306.85°)
OKLab	oklab(27.2% 0.0372 -0.1109)
OKLCH	oklch(27.2% 0.117 288.5)
XYZ	xyz(3.0310, 1.7426, 10.0722)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28155B #485B15

analogous

#15255B #28155B #4B155B

triadic

#28155B #5B2815 #155B28

tetradic

#28155B #5B1525 #485B15 #155B4B

square

#28155B #5B1525 #485B15 #155B4B

split-complementary

#28155B #5B4B15 #255B15

monochromatic

#0B0619 #120A29 #28155B #3E208D #542CBE

Accessibility & contrast

On white

15.57

#28155B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#28155B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28155B

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28155B	#FFFFFF	#000000	##FFFFFF
##28155B	1.00	15.57	1.35	15.57
#FFFFFF	15.57	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255D

Deuteranopia (green-blind)

#00225A

Tritanopia (blue-blind)

#152836

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #28155b;
/* rgb */ color: rgb(40, 21, 91);
/* oklch */ color: oklch(27.2% 0.117 288.5);

Tailwind

colors: {
  custom: {
    50: '#68548a',
    500: '#28155b',
    950: '#000000',
  },
}

SCSS

$custom: #28155b;
$custom-light: #68548a;
$custom-dark: #000000;

JSON

{
  "hex": "#28155b",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 91
  },
  "hsl": {
    "h": 256.286,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.27201,
    "c": 0.11696,
    "h": 288.5
  },
  "luminance": 0.01743
}

Semantic roles & 50–950 ramp

primary

#28155B

secondary

#7A9239

accent

#E642B9

background

#F6F4F8

surface

#EBE8F0

border

#C6C4CB

text

#07030C

muted

#7A787D

Preview Lab

Preview with #28155B

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

Preview Lab → · Contrast checker → · Palette generator →