#280437#280437

#280437 is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 21.4% C 0.095 H 313.5°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#280437
RGB	rgb(40, 4, 55)
HSL	hsl(282, 86%, 12%)
HSV	hsv(282, 93%, 22%)
CMYK	cmyk(27.3%, 92.7%, 0%, 78.4%)
CIE-LAB	lab(7.35, 27.71, -24.44)
CIE-LCH	lch(7.35, 36.94, 318.59°)
OKLab	oklab(21.38% 0.0657 -0.0693)
OKLCH	oklch(21.38% 0.095 313.5)
XYZ	xyz(1.6080, 0.8138, 3.6861)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280437 #133704

analogous

#0F0437 #280437 #37042D

triadic

#280437 #372804 #043728

tetradic

#280437 #370F04 #133704 #042D37

square

#280437 #370F04 #133704 #042D37

split-complementary

#280437 #2D3704 #04370F

monochromatic

#15021D #15021D #280437 #510870 #7B0CA9

Accessibility & contrast

On white

18.06

#280437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#280437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280437

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280437	#FFFFFF	#000000	##FFFFFF
##280437	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001438

Deuteranopia (green-blind)

#001736

Tritanopia (blue-blind)

#26101D

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #280437;
/* rgb */ color: rgb(40, 4, 55);
/* oklch */ color: oklch(21.4% 0.095 313.5);

Tailwind

colors: {
  custom: {
    50: '#65486e',
    500: '#280437',
    950: '#000000',
  },
}

SCSS

$custom: #280437;
$custom-light: #65486e;
$custom-dark: #000000;

JSON

{
  "hex": "#280437",
  "rgb": {
    "r": 40,
    "g": 4,
    "b": 55
  },
  "hsl": {
    "h": 282.353,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.21375,
    "c": 0.09544,
    "h": 313.5
  },
  "luminance": 0.00814
}

Semantic roles & 50–950 ramp

primary

#280437

secondary

#39791E

accent

#FD2B69

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #280437

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

Preview Lab → · Contrast checker → · Palette generator →