#281F4D#281F4D

#281F4D is a dark, moderate violet. Relative luminance 0.020; OKLCH L 27.7% C 0.082 H 289.0°. Best body text is #FFFFFF at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#281F4D
RGB	rgb(40, 31, 77)
HSL	hsl(252, 43%, 21%)
HSV	hsv(252, 60%, 30%)
CMYK	cmyk(48.1%, 59.7%, 0%, 69.8%)
CIE-LAB	lab(15.31, 17.67, -27.10)
CIE-LCH	lch(15.31, 32.36, 303.11°)
OKLab	oklab(27.72% 0.0265 -0.0771)
OKLCH	oklch(27.72% 0.082 289)
XYZ	xyz(2.7042, 1.9668, 7.2569)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.48

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F4D #444D1F

analogous

#1F2D4D #281F4D #3F1F4D

triadic

#281F4D #4D281F #1F4D28

tetradic

#281F4D #4D1F2D #444D1F #1F4D3F

square

#281F4D #4D1F2D #444D1F #1F4D3F

split-complementary

#281F4D #4D3F1F #2D4D1F

monochromatic

#0B0916 #110D21 #281F4D #3F3179 #5542A4

Accessibility & contrast

On white

15.07

#281F4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#281F4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F4D

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F4D	#FFFFFF	#000000	##FFFFFF
##281F4D	1.00	15.07	1.39	15.07
#FFFFFF	15.07	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08274F

Deuteranopia (green-blind)

#09254C

Tritanopia (blue-blind)

#1D2932

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #281f4d;
/* rgb */ color: rgb(40, 31, 77);
/* oklch */ color: oklch(27.7% 0.082 289.0);

Tailwind

colors: {
  custom: {
    50: '#655a7f',
    500: '#281f4d',
    950: '#000000',
  },
}

SCSS

$custom: #281f4d;
$custom-light: #655a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#281f4d",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 77
  },
  "hsl": {
    "h": 251.739,
    "s": 42.593,
    "l": 21.176
  },
  "oklch": {
    "l": 0.2772,
    "c": 0.08153,
    "h": 289
  },
  "luminance": 0.01967
}

Semantic roles & 50–950 ramp

primary

#281F4D

secondary

#768246

accent

#D255BA

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#06040A

muted

#7A797C

Preview Lab

Preview with #281F4D

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

Preview Lab → · Contrast checker → · Palette generator →