#28133B#28133B

#28133B is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.0% C 0.076 H 305.7°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#28133B
RGB	rgb(40, 19, 59)
HSL	hsl(272, 51%, 15%)
HSV	hsv(272, 68%, 23%)
CMYK	cmyk(32.2%, 67.8%, 0%, 76.9%)
CIE-LAB	lab(10.80, 20.13, -21.78)
CIE-LCH	lch(10.80, 29.66, 312.76°)
OKLab	oklab(23.96% 0.0441 -0.0615)
OKLCH	oklch(23.96% 0.076 305.7)
XYZ	xyz(1.8972, 1.2326, 4.2748)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28133B #263B13

analogous

#14133B #28133B #3B133A

triadic

#28133B #3B2813 #133B28

tetradic

#28133B #3B1413 #263B13 #133A3B

square

#28133B #3B1413 #263B13 #133A3B

split-complementary

#28133B #3A3B13 #133B14

monochromatic

#100717 #100717 #28133B #472269 #673198

Accessibility & contrast

On white

16.85

#28133B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#28133B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28133B

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28133B	#FFFFFF	#000000	##FFFFFF
##28133B	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041C3C

Deuteranopia (green-blind)

#0B1D3A

Tritanopia (blue-blind)

#251B24

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #28133b;
/* rgb */ color: rgb(40, 19, 59);
/* oklch */ color: oklch(24.0% 0.076 305.7);

Tailwind

colors: {
  custom: {
    50: '#645271',
    500: '#28133b',
    950: '#000000',
  },
}

SCSS

$custom: #28133b;
$custom-light: #645271;
$custom-dark: #000000;

JSON

{
  "hex": "#28133b",
  "rgb": {
    "r": 40,
    "g": 19,
    "b": 59
  },
  "hsl": {
    "h": 271.5,
    "s": 51.282,
    "l": 15.294
  },
  "oklch": {
    "l": 0.23958,
    "c": 0.07565,
    "h": 305.7
  },
  "luminance": 0.01233
}

Semantic roles & 50–950 ramp

primary

#28133B

secondary

#537336

accent

#DB4D90

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#050207

muted

#7A787A

Preview Lab

Preview with #28133B

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

Preview Lab → · Contrast checker → · Palette generator →