#281F55#281F55

#281F55 is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.4% C 0.094 H 286.4°. Best body text is #FFFFFF at 14.82:1 contrast (WCAG AA passes).

Color values

HEX	#281F55
RGB	rgb(40, 31, 85)
HSL	hsl(250, 47%, 23%)
HSV	hsv(250, 64%, 33%)
CMYK	cmyk(52.9%, 63.5%, 0%, 66.7%)
CIE-LAB	lab(15.94, 20.43, -31.53)
CIE-LCH	lch(15.94, 37.57, 302.95°)
OKLab	oklab(28.38% 0.0266 -0.0901)
OKLCH	oklch(28.38% 0.094 286.4)
XYZ	xyz(3.0043, 2.0868, 8.8371)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F55 #4C551F

analogous

#1F3155 #281F55 #431F55

triadic

#281F55 #55281F #1F5528

tetradic

#281F55 #551F31 #4C551F #1F5543

square

#281F55 #551F31 #4C551F #1F5543

split-complementary

#281F55 #55431F #31551F

monochromatic

#0B0816 #130F28 #281F55 #3D2F82 #5240AF

Accessibility & contrast

On white

14.82

#281F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#281F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F55

14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F55	#FFFFFF	#000000	##FFFFFF
##281F55	1.00	14.82	1.42	14.82
#FFFFFF	14.82	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002957

Deuteranopia (green-blind)

#002654

Tritanopia (blue-blind)

#182B36

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #281f55;
/* rgb */ color: rgb(40, 31, 85);
/* oklch */ color: oklch(28.4% 0.094 286.4);

Tailwind

colors: {
  custom: {
    50: '#665b85',
    500: '#281f55',
    950: '#000000',
  },
}

SCSS

$custom: #281f55;
$custom-light: #665b85;
$custom-dark: #000000;

JSON

{
  "hex": "#281f55",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 85
  },
  "hsl": {
    "h": 250,
    "s": 46.552,
    "l": 22.745
  },
  "oklch": {
    "l": 0.2838,
    "c": 0.09396,
    "h": 286.4
  },
  "luminance": 0.02087
}

Semantic roles & 50–950 ramp

primary

#281F55

secondary

#7E8A46

accent

#D652C0

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#06040B

muted

#7A797C

Preview Lab

Preview with #281F55

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

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