#28053B#28053B

#28053B is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.9% C 0.098 H 310.0°. Best body text is #FFFFFF at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#28053B
RGB	rgb(40, 5, 59)
HSL	hsl(279, 84%, 13%)
HSV	hsv(279, 92%, 23%)
CMYK	cmyk(32.2%, 91.5%, 0%, 76.9%)
CIE-LAB	lab(7.91, 28.18, -26.44)
CIE-LCH	lch(7.91, 38.64, 316.83°)
OKLab	oklab(21.89% 0.0631 -0.0751)
OKLCH	oklch(21.89% 0.098 310)
XYZ	xyz(1.7186, 0.8755, 4.2153)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28053B #183B05

analogous

#0D053B #28053B #3B0533

triadic

#28053B #3B2805 #053B28

tetradic

#28053B #3B0D05 #183B05 #05333B

square

#28053B #3B0D05 #183B05 #05333B

split-complementary

#28053B #333B05 #053B0D

monochromatic

#13021C #13021C #28053B #4E0A73 #750FAC

Accessibility & contrast

On white

17.87

#28053B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#28053B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28053B

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28053B	#FFFFFF	#000000	##FFFFFF
##28053B	1.00	17.87	1.18	17.87
#FFFFFF	17.87	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163C

Deuteranopia (green-blind)

#00183A

Tritanopia (blue-blind)

#251220

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #28053b;
/* rgb */ color: rgb(40, 5, 59);
/* oklch */ color: oklch(21.9% 0.098 310.0);

Tailwind

colors: {
  custom: {
    50: '#654971',
    500: '#28053b',
    950: '#000000',
  },
}

SCSS

$custom: #28053b;
$custom-light: #654971;
$custom-dark: #000000;

JSON

{
  "hex": "#28053b",
  "rgb": {
    "r": 40,
    "g": 5,
    "b": 59
  },
  "hsl": {
    "h": 278.889,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.21893,
    "c": 0.09805,
    "h": 310
  },
  "luminance": 0.00875
}

Semantic roles & 50–950 ramp

primary

#28053B

secondary

#407C20

accent

#FB2D75

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060108

muted

#7A777B

Preview Lab

Preview with #28053B

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

Preview Lab → · Contrast checker → · Palette generator →