#281B68#281B68

#281B68 is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.4% C 0.127 H 283.0°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#281B68
RGB	rgb(40, 27, 104)
HSL	hsl(250, 59%, 26%)
HSV	hsv(250, 74%, 41%)
CMYK	cmyk(61.5%, 74%, 0%, 59.2%)
CIE-LAB	lab(16.67, 29.62, -42.97)
CIE-LCH	lch(16.67, 52.19, 304.58°)
OKLab	oklab(29.45% 0.0287 -0.1237)
OKLCH	oklch(29.45% 0.127 283)
XYZ	xyz(3.7649, 2.2342, 13.3269)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281B68 #5B681B

analogous

#1B3468 #281B68 #4E1B68

triadic

#281B68 #68281B #1B6828

tetradic

#281B68 #681B34 #5B681B #1B684E

square

#281B68 #681B34 #5B681B #1B684E

split-complementary

#281B68 #684E1B #34681B

monochromatic

#090618 #150E37 #281B68 #3B2899 #4D34C9

Accessibility & contrast

On white

14.51

#281B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#281B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B68

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281B68	#FFFFFF	#000000	##FFFFFF
##281B68	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6A

Deuteranopia (green-blind)

#002767

Tritanopia (blue-blind)

#032F3F

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #281b68;
/* rgb */ color: rgb(40, 27, 104);
/* oklch */ color: oklch(29.4% 0.127 283.0);

Tailwind

colors: {
  custom: {
    50: '#6a5994',
    500: '#281b68',
    950: '#000000',
  },
}

SCSS

$custom: #281b68;
$custom-light: #6a5994;
$custom-dark: #000000;

JSON

{
  "hex": "#281b68",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 104
  },
  "hsl": {
    "h": 250.13,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.29447,
    "c": 0.12702,
    "h": 283
  },
  "luminance": 0.02234
}

Semantic roles & 50–950 ramp

primary

#281B68

secondary

#8E9D42

accent

#E246C8

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #281B68

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

Preview Lab → · Contrast checker → · Palette generator →