#280D3B#280D3B

#280D3B is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.0% C 0.086 H 307.9°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#280D3B
RGB	rgb(40, 13, 59)
HSL	hsl(275, 64%, 14%)
HSV	hsv(275, 78%, 23%)
CMYK	cmyk(32.2%, 78%, 0%, 76.9%)
CIE-LAB	lab(9.44, 23.82, -23.96)
CIE-LCH	lch(9.44, 33.78, 314.84°)
OKLab	oklab(22.98% 0.0528 -0.0678)
OKLCH	oklch(22.98% 0.086 307.9)
XYZ	xyz(1.8082, 1.0548, 4.2452)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280D3B #203B0D

analogous

#110D3B #280D3B #3B0D37

triadic

#280D3B #3B280D #0D3B28

tetradic

#280D3B #3B110D #203B0D #0D373B

square

#280D3B #3B110D #203B0D #0D373B

split-complementary

#280D3B #373B0D #0D3B11

monochromatic

#110619 #110619 #280D3B #4A186D #6C239F

Accessibility & contrast

On white

17.34

#280D3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#280D3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280D3B

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280D3B	#FFFFFF	#000000	##FFFFFF
##280D3B	1.00	17.34	1.21	17.34
#FFFFFF	17.34	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193C

Deuteranopia (green-blind)

#041B3A

Tritanopia (blue-blind)

#251722

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #280d3b;
/* rgb */ color: rgb(40, 13, 59);
/* oklch */ color: oklch(23.0% 0.086 307.9);

Tailwind

colors: {
  custom: {
    50: '#644e71',
    500: '#280d3b',
    950: '#000000',
  },
}

SCSS

$custom: #280d3b;
$custom-light: #644e71;
$custom-dark: #000000;

JSON

{
  "hex": "#280d3b",
  "rgb": {
    "r": 40,
    "g": 13,
    "b": 59
  },
  "hsl": {
    "h": 275.217,
    "s": 63.889,
    "l": 14.118
  },
  "oklch": {
    "l": 0.22976,
    "c": 0.08599,
    "h": 307.9
  },
  "luminance": 0.01055
}

Semantic roles & 50–950 ramp

primary

#280D3B

secondary

#4C772D

accent

#E74185

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060108

muted

#7A777B

Preview Lab

Preview with #280D3B

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

Preview Lab → · Contrast checker → · Palette generator →