#281B38#281B38

#281B38 is a dark, muted violet. Relative luminance 0.015; OKLCH L 25.3% C 0.055 H 303.4°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#281B38
RGB	rgb(40, 27, 56)
HSL	hsl(267, 35%, 16%)
HSV	hsv(267, 52%, 22%)
CMYK	cmyk(28.6%, 51.8%, 0%, 78%)
CIE-LAB	lab(12.74, 13.72, -16.55)
CIE-LCH	lch(12.74, 21.50, 309.67°)
OKLab	oklab(25.33% 0.0304 -0.0462)
OKLCH	oklch(25.33% 0.055 303.4)
XYZ	xyz(1.9807, 1.5205, 3.9298)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281B38 #2B381B

analogous

#1B1D38 #281B38 #371B38

triadic

#281B38 #38281B #1B3828

tetradic

#281B38 #381B1D #2B381B #1B3837

square

#281B38 #381B1D #2B381B #1B3837

split-complementary

#281B38 #38371B #1D381B

monochromatic

#0F0A15 #0F0A15 #281B38 #452F61 #63438B

Accessibility & contrast

On white

16.10

#281B38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#281B38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B38

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281B38	#FFFFFF	#000000	##FFFFFF
##281B38	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#132139

Deuteranopia (green-blind)

#162137

Tritanopia (blue-blind)

#252026

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #281b38;
/* rgb */ color: rgb(40, 27, 56);
/* oklch */ color: oklch(25.3% 0.055 303.4);

Tailwind

colors: {
  custom: {
    50: '#63576e',
    500: '#281b38',
    950: '#000000',
  },
}

SCSS

$custom: #281b38;
$custom-light: #63576e;
$custom-dark: #000000;

JSON

{
  "hex": "#281b38",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 56
  },
  "hsl": {
    "h": 266.897,
    "s": 34.94,
    "l": 16.275
  },
  "oklch": {
    "l": 0.25331,
    "c": 0.05535,
    "h": 303.4
  },
  "luminance": 0.01521
}

Semantic roles & 50–950 ramp

primary

#281B38

secondary

#5A6D42

accent

#CB5D9A

background

#F5F5F6

surface

#EAE9EC

border

#C6C5C7

text

#050307

muted

#79787A

Preview Lab

Preview with #281B38

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

Preview Lab → · Contrast checker → · Palette generator →