#280F37#280F37

#280F37 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.0% C 0.077 H 310.5°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#280F37
RGB	rgb(40, 15, 55)
HSL	hsl(278, 57%, 14%)
HSV	hsv(278, 73%, 22%)
CMYK	cmyk(27.3%, 72.7%, 0%, 78.4%)
CIE-LAB	lab(9.55, 21.53, -20.89)
CIE-LCH	lch(9.55, 30.00, 315.86°)
OKLab	oklab(22.95% 0.0503 -0.0589)
OKLCH	oklch(22.95% 0.077 310.5)
XYZ	xyz(1.7354, 1.0686, 3.7285)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280F37 #1E370F

analogous

#140F37 #280F37 #370F32

triadic

#280F37 #37280F #0F3728

tetradic

#280F37 #37140F #1E370F #0F3237

square

#280F37 #37140F #1E370F #0F3237

split-complementary

#280F37 #32370F #0F3714

monochromatic

#110718 #110718 #280F37 #4B1C67 #6E2997

Accessibility & contrast

On white

17.30

#280F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#280F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280F37

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280F37	#FFFFFF	#000000	##FFFFFF
##280F37	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011938

Deuteranopia (green-blind)

#0B1B36

Tritanopia (blue-blind)

#261721

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #280f37;
/* rgb */ color: rgb(40, 15, 55);
/* oklch */ color: oklch(23.0% 0.077 310.5);

Tailwind

colors: {
  custom: {
    50: '#644f6e',
    500: '#280f37',
    950: '#000000',
  },
}

SCSS

$custom: #280f37;
$custom-light: #644f6e;
$custom-dark: #000000;

JSON

{
  "hex": "#280f37",
  "rgb": {
    "r": 40,
    "g": 15,
    "b": 55
  },
  "hsl": {
    "h": 277.5,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.22954,
    "c": 0.07742,
    "h": 310.5
  },
  "luminance": 0.01069
}

Semantic roles & 50–950 ramp

primary

#280F37

secondary

#497131

accent

#E04781

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#050207

muted

#7A787A

Preview Lab

Preview with #280F37

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

Preview Lab → · Contrast checker → · Palette generator →