#291B66#291B66

#291B66 is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.3% C 0.124 H 284.3°. Best body text is #FFFFFF at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#291B66
RGB	rgb(41, 27, 102)
HSL	hsl(251, 58%, 25%)
HSV	hsv(251, 74%, 40%)
CMYK	cmyk(59.8%, 73.5%, 0%, 60%)
CIE-LAB	lab(16.57, 29.11, -41.81)
CIE-LCH	lch(16.57, 50.95, 304.85°)
OKLab	oklab(29.34% 0.0306 -0.1203)
OKLCH	oklch(29.34% 0.124 284.3)
XYZ	xyz(3.7039, 2.2144, 12.8000)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B66 #58661B

analogous

#1B3266 #291B66 #4E1B66

triadic

#291B66 #66291B #1B6629

tetradic

#291B66 #661B32 #58661B #1B664E

square

#291B66 #661B32 #58661B #1B664E

split-complementary

#291B66 #664E1B #32661B

monochromatic

#0A0618 #160E36 #291B66 #3C2896 #5035C7

Accessibility & contrast

On white

14.55

#291B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#291B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B66

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B66	#FFFFFF	#000000	##FFFFFF
##291B66	1.00	14.55	1.44	14.55
#FFFFFF	14.55	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B68

Deuteranopia (green-blind)

#002765

Tritanopia (blue-blind)

#0B2F3E

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #291b66;
/* rgb */ color: rgb(41, 27, 102);
/* oklch */ color: oklch(29.3% 0.124 284.3);

Tailwind

colors: {
  custom: {
    50: '#6a5992',
    500: '#291b66',
    950: '#000000',
  },
}

SCSS

$custom: #291b66;
$custom-light: #6a5992;
$custom-dark: #000000;

JSON

{
  "hex": "#291b66",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 102
  },
  "hsl": {
    "h": 251.2,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.29342,
    "c": 0.12414,
    "h": 284.3
  },
  "luminance": 0.02215
}

Semantic roles & 50–950 ramp

primary

#291B66

secondary

#8B9B41

accent

#E146C4

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #291B66

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

Preview Lab → · Contrast checker → · Palette generator →