#280A45#280A45

#280A45 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.5% C 0.103 H 301.9°. Best body text is #FFFFFF at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#280A45
RGB	rgb(40, 10, 69)
HSL	hsl(271, 75%, 15%)
HSV	hsv(271, 86%, 27%)
CMYK	cmyk(42%, 85.5%, 0%, 72.9%)
CIE-LAB	lab(9.78, 28.22, -30.51)
CIE-LCH	lch(9.78, 41.56, 312.77°)
OKLab	oklab(23.5% 0.0543 -0.0871)
OKLCH	oklch(23.5% 0.103 301.9)
XYZ	xyz(2.0575, 1.0979, 5.7326)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280A45 #27450A

analogous

#0A0A45 #280A45 #450A44

triadic

#280A45 #45280A #0A4528

tetradic

#280A45 #450A0A #27450A #0A4445

square

#280A45 #450A0A #27450A #0A4445

split-complementary

#280A45 #44450A #0A450A

monochromatic

#0F041B #0F041B #280A45 #47127A #6619B0

Accessibility & contrast

On white

17.22

#280A45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#280A45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280A45

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280A45	#FFFFFF	#000000	##FFFFFF
##280A45	1.00	17.22	1.22	17.22
#FFFFFF	17.22	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B47

Deuteranopia (green-blind)

#001B44

Tritanopia (blue-blind)

#221927

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #280a45;
/* rgb */ color: rgb(40, 10, 69);
/* oklch */ color: oklch(23.5% 0.103 301.9);

Tailwind

colors: {
  custom: {
    50: '#664d79',
    500: '#280a45',
    950: '#000000',
  },
}

SCSS

$custom: #280a45;
$custom-light: #664d79;
$custom-dark: #000000;

JSON

{
  "hex": "#280a45",
  "rgb": {
    "r": 40,
    "g": 10,
    "b": 69
  },
  "hsl": {
    "h": 270.508,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.23502,
    "c": 0.10259,
    "h": 301.9
  },
  "luminance": 0.01098
}

Semantic roles & 50–950 ramp

primary

#280A45

secondary

#558229

accent

#F13692

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#060109

muted

#7A777B

Preview Lab

Preview with #280A45

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

Preview Lab → · Contrast checker → · Palette generator →