#280A43#280A43

#280A43 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.3% C 0.100 H 303.2°. Best body text is #FFFFFF at 17.29:1 contrast (WCAG AA passes).

Color values

HEX	#280A43
RGB	rgb(40, 10, 67)
HSL	hsl(272, 74%, 15%)
HSV	hsv(272, 85%, 26%)
CMYK	cmyk(40.3%, 85.1%, 0%, 73.7%)
CIE-LAB	lab(9.59, 27.66, -29.41)
CIE-LCH	lch(9.59, 40.38, 313.24°)
OKLab	oklab(23.31% 0.0548 -0.0838)
OKLCH	oklch(23.31% 0.1 303.2)
XYZ	xyz(1.9965, 1.0734, 5.4111)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280A43 #25430A

analogous

#0C0A43 #280A43 #430A41

triadic

#280A43 #43280A #0A4328

tetradic

#280A43 #430C0A #25430A #0A4143

square

#280A43 #430C0A #25430A #0A4143

split-complementary

#280A43 #41430A #0A430C

monochromatic

#10041B #10041B #280A43 #481278 #681AAE

Accessibility & contrast

On white

17.29

#280A43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#280A43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280A43

17.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280A43	#FFFFFF	#000000	##FFFFFF
##280A43	1.00	17.29	1.21	17.29
#FFFFFF	17.29	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A45

Deuteranopia (green-blind)

#001B42

Tritanopia (blue-blind)

#221926

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #280a43;
/* rgb */ color: rgb(40, 10, 67);
/* oklch */ color: oklch(23.3% 0.100 303.2);

Tailwind

colors: {
  custom: {
    50: '#654d78',
    500: '#280a43',
    950: '#000000',
  },
}

SCSS

$custom: #280a43;
$custom-light: #654d78;
$custom-dark: #000000;

JSON

{
  "hex": "#280a43",
  "rgb": {
    "r": 40,
    "g": 10,
    "b": 67
  },
  "hsl": {
    "h": 271.579,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.23307,
    "c": 0.10018,
    "h": 303.2
  },
  "luminance": 0.01073
}

Semantic roles & 50–950 ramp

primary

#280A43

secondary

#528029

accent

#F1378F

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#060109

muted

#7A777B

Preview Lab

Preview with #280A43

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

Preview Lab → · Contrast checker → · Palette generator →