#281C55#281C55

#281C55 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.8% C 0.099 H 287.9°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#281C55
RGB	rgb(40, 28, 85)
HSL	hsl(253, 50%, 22%)
HSV	hsv(253, 67%, 33%)
CMYK	cmyk(52.9%, 67.1%, 0%, 66.7%)
CIE-LAB	lab(15.16, 22.48, -32.80)
CIE-LCH	lch(15.16, 39.76, 304.43°)
OKLab	oklab(27.81% 0.0303 -0.0939)
OKLCH	oklch(27.81% 0.099 287.9)
XYZ	xyz(2.9295, 1.9374, 8.8122)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C55 #49551C

analogous

#1C2C55 #281C55 #451C55

triadic

#281C55 #55281C #1C5528

tetradic

#281C55 #551C2C #49551C #1C5545

square

#281C55 #551C2C #49551C #1C5545

split-complementary

#281C55 #55451C #2C551C

monochromatic

#0B0817 #120D27 #281C55 #3E2B83 #533AB1

Accessibility & contrast

On white

15.13

#281C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#281C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C55

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C55	#FFFFFF	#000000	##FFFFFF
##281C55	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002757

Deuteranopia (green-blind)

#002454

Tritanopia (blue-blind)

#192935

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #281c55;
/* rgb */ color: rgb(40, 28, 85);
/* oklch */ color: oklch(27.8% 0.099 287.9);

Tailwind

colors: {
  custom: {
    50: '#665985',
    500: '#281c55',
    950: '#000000',
  },
}

SCSS

$custom: #281c55;
$custom-light: #665985;
$custom-dark: #000000;

JSON

{
  "hex": "#281c55",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 85
  },
  "hsl": {
    "h": 252.632,
    "s": 50.442,
    "l": 22.157
  },
  "oklch": {
    "l": 0.27808,
    "c": 0.09864,
    "h": 287.9
  },
  "luminance": 0.01938
}

Semantic roles & 50–950 ramp

primary

#281C55

secondary

#7B8B42

accent

#DA4EBC

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#06030B

muted

#7A787C

Preview Lab

Preview with #281C55

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

Preview Lab → · Contrast checker → · Palette generator →