#280B45#280B45

#280B45 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.6% C 0.101 H 301.7°. Best body text is #FFFFFF at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#280B45
RGB	rgb(40, 11, 69)
HSL	hsl(270, 73%, 16%)
HSV	hsv(270, 84%, 27%)
CMYK	cmyk(42%, 84.1%, 0%, 72.9%)
CIE-LAB	lab(9.95, 27.73, -30.23)
CIE-LCH	lch(9.95, 41.02, 312.53°)
OKLab	oklab(23.62% 0.0532 -0.0862)
OKLCH	oklch(23.62% 0.101 301.7)
XYZ	xyz(2.0687, 1.1201, 5.7363)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B45 #28450B

analogous

#0B0B45 #280B45 #450B45

triadic

#280B45 #45280B #0B4528

tetradic

#280B45 #450B0B #28450B #0B4545

square

#280B45 #450B0B #28450B #0B4545

split-complementary

#280B45 #45450B #0B450B

monochromatic

#0F041A #0F041A #280B45 #47137A #651CAF

Accessibility & contrast

On white

17.16

#280B45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#280B45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B45

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B45	#FFFFFF	#000000	##FFFFFF
##280B45	1.00	17.16	1.22	17.16
#FFFFFF	17.16	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B47

Deuteranopia (green-blind)

#001B44

Tritanopia (blue-blind)

#221A27

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #280b45;
/* rgb */ color: rgb(40, 11, 69);
/* oklch */ color: oklch(23.6% 0.101 301.7);

Tailwind

colors: {
  custom: {
    50: '#664d79',
    500: '#280b45',
    950: '#000000',
  },
}

SCSS

$custom: #280b45;
$custom-light: #664d79;
$custom-dark: #000000;

JSON

{
  "hex": "#280b45",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 69
  },
  "hsl": {
    "h": 270,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.23624,
    "c": 0.10135,
    "h": 301.7
  },
  "luminance": 0.0112
}

Semantic roles & 50–950 ramp

primary

#280B45

secondary

#56812A

accent

#EF3994

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#060109

muted

#7A777B

Preview Lab

Preview with #280B45

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

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