#280739#280739

#280739 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.0% C 0.093 H 311.1°. Best body text is #FFFFFF at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#280739
RGB	rgb(40, 7, 57)
HSL	hsl(280, 78%, 13%)
HSV	hsv(280, 88%, 22%)
CMYK	cmyk(29.8%, 87.7%, 0%, 77.6%)
CIE-LAB	lab(8.12, 26.54, -24.65)
CIE-LCH	lch(8.12, 36.23, 317.11°)
OKLab	oklab(21.98% 0.0609 -0.0698)
OKLCH	oklch(21.98% 0.093 311.1)
XYZ	xyz(1.6894, 0.8985, 3.9545)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280739 #183907

analogous

#0F0739 #280739 #390731

triadic

#280739 #392807 #073928

tetradic

#280739 #390F07 #183907 #073139

square

#280739 #390F07 #183907 #073139

split-complementary

#280739 #313907 #07390F

monochromatic

#13031B #13031B #280739 #4E0E70 #7414A6

Accessibility & contrast

On white

17.80

#280739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#280739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280739

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280739	#FFFFFF	#000000	##FFFFFF
##280739	1.00	17.80	1.18	17.80
#FFFFFF	17.80	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163A

Deuteranopia (green-blind)

#011838

Tritanopia (blue-blind)

#26131F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #280739;
/* rgb */ color: rgb(40, 7, 57);
/* oklch */ color: oklch(22.0% 0.093 311.1);

Tailwind

colors: {
  custom: {
    50: '#644a70',
    500: '#280739',
    950: '#000000',
  },
}

SCSS

$custom: #280739;
$custom-light: #644a70;
$custom-dark: #000000;

JSON

{
  "hex": "#280739",
  "rgb": {
    "r": 40,
    "g": 7,
    "b": 57
  },
  "hsl": {
    "h": 279.6,
    "s": 78.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.21981,
    "c": 0.09269,
    "h": 311.1
  },
  "luminance": 0.00898
}

Semantic roles & 50–950 ramp

primary

#280739

secondary

#407923

accent

#F53375

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #280739

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

Preview Lab → · Contrast checker → · Palette generator →