#281B49#281B49

#281B49 is a dark, moderate violet. Relative luminance 0.017; OKLCH L 26.6% C 0.082 H 293.0°. Best body text is #FFFFFF at 15.63:1 contrast (WCAG AA passes).

Color values

HEX	#281B49
RGB	rgb(40, 27, 73)
HSL	hsl(257, 46%, 20%)
HSV	hsv(257, 63%, 29%)
CMYK	cmyk(45.2%, 63%, 0%, 71.4%)
CIE-LAB	lab(13.92, 19.12, -26.59)
CIE-LCH	lch(13.92, 32.75, 305.72°)
OKLab	oklab(26.59% 0.0321 -0.0756)
OKLCH	oklch(26.59% 0.082 293)
XYZ	xyz(2.4693, 1.7160, 6.5032)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281B49 #3C491B

analogous

#1B2549 #281B49 #3F1B49

triadic

#281B49 #49281B #1B4928

tetradic

#281B49 #491B25 #3C491B #1B493F

square

#281B49 #491B25 #3C491B #1B493F

split-complementary

#281B49 #493F1B #25491B

monochromatic

#0C0816 #100A1C #281B49 #402C76 #593CA2

Accessibility & contrast

On white

15.63

#281B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#281B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B49

15.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281B49	#FFFFFF	#000000	##FFFFFF
##281B49	1.00	15.63	1.34	15.63
#FFFFFF	15.63	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04244B

Deuteranopia (green-blind)

#072348

Tritanopia (blue-blind)

#1F252F

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #281b49;
/* rgb */ color: rgb(40, 27, 73);
/* oklch */ color: oklch(26.6% 0.082 293.0);

Tailwind

colors: {
  custom: {
    50: '#65577c',
    500: '#281b49',
    950: '#000000',
  },
}

SCSS

$custom: #281b49;
$custom-light: #65577c;
$custom-dark: #000000;

JSON

{
  "hex": "#281b49",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 73
  },
  "hsl": {
    "h": 256.957,
    "s": 46,
    "l": 19.608
  },
  "oklch": {
    "l": 0.26593,
    "c": 0.08215,
    "h": 293
  },
  "luminance": 0.01716
}

Semantic roles & 50–950 ramp

primary

#281B49

secondary

#6D7F41

accent

#D652B0

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#060309

muted

#7A787B

Preview Lab

Preview with #281B49

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

Preview Lab → · Contrast checker → · Palette generator →