#28153B#28153B

#28153B is a very dark, moderate violet. Relative luminance 0.013; OKLCH L 24.3% C 0.072 H 304.7°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#28153B
RGB	rgb(40, 21, 59)
HSL	hsl(270, 48%, 16%)
HSV	hsv(270, 64%, 23%)
CMYK	cmyk(32.2%, 64.4%, 0%, 76.9%)
CIE-LAB	lab(11.30, 18.80, -20.97)
CIE-LCH	lch(11.30, 28.17, 311.88°)
OKLab	oklab(24.33% 0.0409 -0.0591)
OKLCH	oklch(24.33% 0.072 304.7)
XYZ	xyz(1.9325, 1.3032, 4.2866)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28153B #283B15

analogous

#15153B #28153B #3B153B

triadic

#28153B #3B2815 #153B28

tetradic

#28153B #3B1515 #283B15 #153B3B

square

#28153B #3B1515 #283B15 #153B3B

split-complementary

#28153B #3B3B15 #153B15

monochromatic

#0F0817 #0F0817 #28153B #472568 #653595

Accessibility & contrast

On white

16.66

#28153B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#28153B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28153B

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28153B	#FFFFFF	#000000	##FFFFFF
##28153B	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071E3C

Deuteranopia (green-blind)

#0E1E3A

Tritanopia (blue-blind)

#251C25

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #28153b;
/* rgb */ color: rgb(40, 21, 59);
/* oklch */ color: oklch(24.3% 0.072 304.7);

Tailwind

colors: {
  custom: {
    50: '#635371',
    500: '#28153b',
    950: '#000000',
  },
}

SCSS

$custom: #28153b;
$custom-light: #635371;
$custom-dark: #000000;

JSON

{
  "hex": "#28153b",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 59
  },
  "hsl": {
    "h": 270,
    "s": 47.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.24326,
    "c": 0.07191,
    "h": 304.7
  },
  "luminance": 0.01303
}

Semantic roles & 50–950 ramp

primary

#28153B

secondary

#567239

accent

#D75194

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#050207

muted

#7A787A

Preview Lab

Preview with #28153B

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

Preview Lab → · Contrast checker → · Palette generator →