#280B48#280B48

#280B48 is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 23.9% C 0.105 H 299.9°. Best body text is #FFFFFF at 17.05:1 contrast (WCAG AA passes).

Color values

HEX	#280B48
RGB	rgb(40, 11, 72)
HSL	hsl(269, 73%, 16%)
HSV	hsv(269, 85%, 28%)
CMYK	cmyk(44.4%, 84.7%, 0%, 71.8%)
CIE-LAB	lab(10.25, 28.59, -31.85)
CIE-LCH	lch(10.25, 42.80, 311.90°)
OKLab	oklab(23.92% 0.0524 -0.091)
OKLCH	oklch(23.92% 0.105 299.9)
XYZ	xyz(2.1641, 1.1583, 6.2392)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B48 #2B480B

analogous

#0B0C48 #280B48 #470B48

triadic

#280B48 #48280B #0B4828

tetradic

#280B48 #480B0C #2B480B #0B4847

square

#280B48 #480B0C #2B480B #0B4847

split-complementary

#280B48 #48470B #0C480B

monochromatic

#0F041B #0F041B #280B48 #45137D #631BB2

Accessibility & contrast

On white

17.05

#280B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#280B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B48

17.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B48	#FFFFFF	#000000	##FFFFFF
##280B48	1.00	17.05	1.23	17.05
#FFFFFF	17.05	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4A

Deuteranopia (green-blind)

#001B47

Tritanopia (blue-blind)

#201B29

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #280b48;
/* rgb */ color: rgb(40, 11, 72);
/* oklch */ color: oklch(23.9% 0.105 299.9);

Tailwind

colors: {
  custom: {
    50: '#664d7c',
    500: '#280b48',
    950: '#000000',
  },
}

SCSS

$custom: #280b48;
$custom-light: #664d7c;
$custom-dark: #000000;

JSON

{
  "hex": "#280b48",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 72
  },
  "hsl": {
    "h": 268.525,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.23919,
    "c": 0.10501,
    "h": 299.9
  },
  "luminance": 0.01158
}

Semantic roles & 50–950 ramp

primary

#280B48

secondary

#5A842A

accent

#F03898

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#060109

muted

#7A777B

Preview Lab

Preview with #280B48

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

Preview Lab → · Contrast checker → · Palette generator →