#28105B#28105B

#28105B is a dark, vivid violet. Relative luminance 0.016; OKLCH L 26.5% C 0.123 H 289.8°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#28105B
RGB	rgb(40, 16, 91)
HSL	hsl(259, 70%, 21%)
HSV	hsv(259, 82%, 36%)
CMYK	cmyk(56%, 82.4%, 0%, 64.3%)
CIE-LAB	lab(13.09, 31.72, -40.22)
CIE-LCH	lch(13.09, 51.22, 308.26°)
OKLab	oklab(26.51% 0.0417 -0.1156)
OKLCH	oklch(26.51% 0.123 289.8)
XYZ	xyz(2.9481, 1.5769, 10.0445)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28105B #435B10

analogous

#101D5B #28105B #4D105B

triadic

#28105B #5B2810 #105B28

tetradic

#28105B #5B101D #435B10 #105B4D

square

#28105B #5B101D #435B10 #105B4D

split-complementary

#28105B #5B4D10 #1D5B10

monochromatic

#0B051A #110727 #28105B #3F198F #5622C3

Accessibility & contrast

On white

15.96

#28105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#28105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28105B

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28105B	#FFFFFF	#000000	##FFFFFF
##28105B	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235D

Deuteranopia (green-blind)

#00205A

Tritanopia (blue-blind)

#152535

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #28105b;
/* rgb */ color: rgb(40, 16, 91);
/* oklch */ color: oklch(26.5% 0.123 289.8);

Tailwind

colors: {
  custom: {
    50: '#69518a',
    500: '#28105b',
    950: '#000000',
  },
}

SCSS

$custom: #28105b;
$custom-light: #69518a;
$custom-dark: #000000;

JSON

{
  "hex": "#28105b",
  "rgb": {
    "r": 40,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 259.2,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.26507,
    "c": 0.1229,
    "h": 289.8
  },
  "luminance": 0.01577
}

Semantic roles & 50–950 ramp

primary

#28105B

secondary

#759433

accent

#ED3BB4

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#07020C

muted

#7A787D

Preview Lab

Preview with #28105B

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

Preview Lab → · Contrast checker → · Palette generator →