#280737#280737

#280737 is a very dark, moderate purple. Relative luminance 0.009; OKLCH L 21.8% C 0.090 H 312.7°. Best body text is #FFFFFF at 17.86:1 contrast (WCAG AA passes).

Color values

HEX	#280737
RGB	rgb(40, 7, 55)
HSL	hsl(281, 77%, 12%)
HSV	hsv(281, 87%, 22%)
CMYK	cmyk(27.3%, 87.3%, 0%, 78.4%)
CIE-LAB	lab(7.94, 26.03, -23.49)
CIE-LCH	lch(7.94, 35.06, 317.94°)
OKLab	oklab(21.8% 0.0614 -0.0664)
OKLCH	oklch(21.8% 0.09 312.7)
XYZ	xyz(1.6405, 0.8790, 3.6969)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280737 #163707

analogous

#100737 #280737 #37072E

triadic

#280737 #372807 #073728

tetradic

#280737 #371007 #163707 #072E37

square

#280737 #371007 #163707 #072E37

split-complementary

#280737 #2E3707 #073710

monochromatic

#14031B #14031B #280737 #4F0E6D #7715A4

Accessibility & contrast

On white

17.86

#280737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#280737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280737

17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280737	#FFFFFF	#000000	##FFFFFF
##280737	1.00	17.86	1.18	17.86
#FFFFFF	17.86	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001638

Deuteranopia (green-blind)

#031836

Tritanopia (blue-blind)

#26121E

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #280737;
/* rgb */ color: rgb(40, 7, 55);
/* oklch */ color: oklch(21.8% 0.090 312.7);

Tailwind

colors: {
  custom: {
    50: '#644a6e',
    500: '#280737',
    950: '#000000',
  },
}

SCSS

$custom: #280737;
$custom-light: #644a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#280737",
  "rgb": {
    "r": 40,
    "g": 7,
    "b": 55
  },
  "hsl": {
    "h": 281.25,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21801,
    "c": 0.09042,
    "h": 312.7
  },
  "luminance": 0.00879
}

Semantic roles & 50–950 ramp

primary

#280737

secondary

#3D7723

accent

#F43470

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #280737

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

Preview Lab → · Contrast checker → · Palette generator →