#281B41#281B41

#281B41 is a dark, moderate violet. Relative luminance 0.016; OKLCH L 26.0% C 0.070 H 297.1°. Best body text is #FFFFFF at 15.87:1 contrast (WCAG AA passes).

Color values

HEX	#281B41
RGB	rgb(40, 27, 65)
HSL	hsl(261, 41%, 18%)
HSV	hsv(261, 58%, 25%)
CMYK	cmyk(38.5%, 58.5%, 0%, 74.5%)
CIE-LAB	lab(13.33, 16.52, -21.97)
CIE-LCH	lch(13.33, 27.49, 306.94°)
OKLab	oklab(25.97% 0.0317 -0.062)
OKLCH	oklch(25.97% 0.07 297.1)
XYZ	xyz(2.2209, 1.6166, 5.1950)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281B41 #34411B

analogous

#1B2141 #281B41 #3B1B41

triadic

#281B41 #41281B #1B4128

tetradic

#281B41 #411B21 #34411B #1B413B

square

#281B41 #411B21 #34411B #1B413B

split-complementary

#281B41 #413B1B #21411B

monochromatic

#0D0916 #0D0916 #281B41 #432D6C #5D3F97

Accessibility & contrast

On white

15.87

#281B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#281B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B41

15.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281B41	#FFFFFF	#000000	##FFFFFF
##281B41	1.00	15.87	1.32	15.87
#FFFFFF	15.87	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D2242

Deuteranopia (green-blind)

#102240

Tritanopia (blue-blind)

#22222B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #281b41;
/* rgb */ color: rgb(40, 27, 65);
/* oklch */ color: oklch(26.0% 0.070 297.1);

Tailwind

colors: {
  custom: {
    50: '#645776',
    500: '#281b41',
    950: '#000000',
  },
}

SCSS

$custom: #281b41;
$custom-light: #645776;
$custom-dark: #000000;

JSON

{
  "hex": "#281b41",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 65
  },
  "hsl": {
    "h": 260.526,
    "s": 41.304,
    "l": 18.039
  },
  "oklch": {
    "l": 0.25967,
    "c": 0.06969,
    "h": 297.1
  },
  "luminance": 0.01617
}

Semantic roles & 50–950 ramp

primary

#281B41

secondary

#647641

accent

#D157A7

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#050308

muted

#7A787B

Preview Lab

Preview with #281B41

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

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