#281B61#281B61

#281B61 is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.8% C 0.117 H 284.8°. Best body text is #FFFFFF at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#281B61
RGB	rgb(40, 27, 97)
HSL	hsl(251, 56%, 24%)
HSV	hsv(251, 72%, 38%)
CMYK	cmyk(58.8%, 72.2%, 0%, 62%)
CIE-LAB	lab(15.99, 27.23, -39.46)
CIE-LCH	lch(15.99, 47.95, 304.61°)
OKLab	oklab(28.75% 0.03 -0.1135)
OKLCH	oklch(28.75% 0.117 284.8)
XYZ	xyz(3.4240, 2.0979, 11.5314)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281B61 #54611B

analogous

#1B3161 #281B61 #4B1B61

triadic

#281B61 #61281B #1B6128

tetradic

#281B61 #611B31 #54611B #1B614B

square

#281B61 #611B31 #54611B #1B614B

split-complementary

#281B61 #614B1B #31611B

monochromatic

#0A0718 #140E31 #281B61 #3C2891 #4F36C1

Accessibility & contrast

On white

14.79

#281B61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#281B61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B61

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281B61	#FFFFFF	#000000	##FFFFFF
##281B61	1.00	14.79	1.42	14.79
#FFFFFF	14.79	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A63

Deuteranopia (green-blind)

#002660

Tritanopia (blue-blind)

#0E2D3B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #281b61;
/* rgb */ color: rgb(40, 27, 97);
/* oklch */ color: oklch(28.8% 0.117 284.8);

Tailwind

colors: {
  custom: {
    50: '#69588f',
    500: '#281b61',
    950: '#000000',
  },
}

SCSS

$custom: #281b61;
$custom-light: #69588f;
$custom-dark: #000000;

JSON

{
  "hex": "#281b61",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 97
  },
  "hsl": {
    "h": 251.143,
    "s": 56.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.28752,
    "c": 0.11735,
    "h": 284.8
  },
  "luminance": 0.02098
}

Semantic roles & 50–950 ramp

primary

#281B61

secondary

#879741

accent

#E048C4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#07030C

muted

#7A787D

Preview Lab

Preview with #281B61

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

Preview Lab → · Contrast checker → · Palette generator →