#281D33#281D33

#281D33 is a dark, muted violet. Relative luminance 0.016; OKLCH L 25.5% C 0.043 H 306.5°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#281D33
RGB	rgb(40, 29, 51)
HSL	hsl(270, 28%, 16%)
HSV	hsv(270, 43%, 20%)
CMYK	cmyk(21.6%, 43.1%, 0%, 80%)
CIE-LAB	lab(13.04, 10.81, -12.50)
CIE-LCH	lch(13.04, 16.52, 310.86°)
OKLab	oklab(25.46% 0.0256 -0.0345)
OKLCH	oklch(25.46% 0.043 306.5)
XYZ	xyz(1.9119, 1.5689, 3.3334)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D33 #28331D

analogous

#1D1D33 #281D33 #331D33

triadic

#281D33 #33281D #1D3328

tetradic

#281D33 #331D1D #28331D #1D3333

square

#281D33 #331D1D #28331D #1D3333

split-complementary

#281D33 #33331D #1D331D

monochromatic

#0F0B14 #0F0B14 #281D33 #47335A #654981

Accessibility & contrast

On white

15.98

#281D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#281D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D33

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D33	#FFFFFF	#000000	##FFFFFF
##281D33	1.00	15.98	1.31	15.98
#FFFFFF	15.98	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182134

Deuteranopia (green-blind)

#1B2232

Tritanopia (blue-blind)

#262025

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #281d33;
/* rgb */ color: rgb(40, 29, 51);
/* oklch */ color: oklch(25.5% 0.043 306.5);

Tailwind

colors: {
  custom: {
    50: '#62596a',
    500: '#281d33',
    950: '#000000',
  },
}

SCSS

$custom: #281d33;
$custom-light: #62596a;
$custom-dark: #000000;

JSON

{
  "hex": "#281d33",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 51
  },
  "hsl": {
    "h": 270,
    "s": 27.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25464,
    "c": 0.04299,
    "h": 306.5
  },
  "luminance": 0.01569
}

Semantic roles & 50–950 ramp

primary

#281D33

secondary

#566645

accent

#C46494

background

#F5F5F6

surface

#EAE9EB

border

#C6C5C6

text

#050306

muted

#79787A

Preview Lab

Preview with #281D33

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

Preview Lab → · Contrast checker → · Palette generator →