#280537#280537

#280537 is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 21.5% C 0.094 H 313.2°. Best body text is #FFFFFF at 17.99:1 contrast (WCAG AA passes).

Color values

HEX	#280537
RGB	rgb(40, 5, 55)
HSL	hsl(282, 83%, 12%)
HSV	hsv(282, 91%, 22%)
CMYK	cmyk(27.3%, 90.9%, 0%, 78.4%)
CIE-LAB	lab(7.55, 27.15, -24.12)
CIE-LCH	lch(7.55, 36.32, 318.38°)
OKLab	oklab(21.52% 0.0642 -0.0683)
OKLCH	oklch(21.52% 0.094 313.2)
XYZ	xyz(1.6188, 0.8355, 3.6897)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280537 #143705

analogous

#0F0537 #280537 #37052D

triadic

#280537 #372805 #053728

tetradic

#280537 #370F05 #143705 #052D37

square

#280537 #370F05 #143705 #052D37

split-complementary

#280537 #2D3705 #05370F

monochromatic

#14031C #14031C #280537 #510A6F #7A0FA7

Accessibility & contrast

On white

17.99

#280537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#280537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280537

17.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280537	#FFFFFF	#000000	##FFFFFF
##280537	1.00	17.99	1.17	17.99
#FFFFFF	17.99	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001538

Deuteranopia (green-blind)

#011736

Tritanopia (blue-blind)

#26101E

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #280537;
/* rgb */ color: rgb(40, 5, 55);
/* oklch */ color: oklch(21.5% 0.094 313.2);

Tailwind

colors: {
  custom: {
    50: '#65496e',
    500: '#280537',
    950: '#000000',
  },
}

SCSS

$custom: #280537;
$custom-light: #65496e;
$custom-dark: #000000;

JSON

{
  "hex": "#280537",
  "rgb": {
    "r": 40,
    "g": 5,
    "b": 55
  },
  "hsl": {
    "h": 282,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.21519,
    "c": 0.09373,
    "h": 313.2
  },
  "luminance": 0.00835
}

Semantic roles & 50–950 ramp

primary

#280537

secondary

#3A7820

accent

#FA2E6B

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #280537

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

Preview Lab → · Contrast checker → · Palette generator →