#491B9E#491B9E

#491B9E is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.3% C 0.190 H 290.1°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#491B9E
RGB	rgb(73, 27, 158)
HSL	hsl(261, 71%, 36%)
HSV	hsv(261, 83%, 62%)
CMYK	cmyk(53.8%, 82.9%, 0%, 38%)
CIE-LAB	lab(25.77, 50.44, -61.99)
CIE-LCH	lch(25.77, 79.92, 309.14°)
OKLab	oklab(38.33% 0.0653 -0.1783)
OKLCH	oklch(38.33% 0.19 290.1)
XYZ	xyz(9.3094, 4.6685, 32.7517)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B9E #709E1B

analogous

#1B2E9E #491B9E #8B1B9E

triadic

#491B9E #9E491B #1B9E49

tetradic

#491B9E #9E1B2E #709E1B #1B9E8B

square

#491B9E #9E1B2E #709E1B #1B9E8B

split-complementary

#491B9E #9E8B1B #2E9E1B

monochromatic

#190935 #31126A #491B9E #6124D2 #8452E1

Accessibility & contrast

On white

10.86

#491B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#491B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B9E

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B9E	#FFFFFF	#000000	##FFFFFF
##491B9E	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA2

Deuteranopia (green-blind)

#003A9C

Tritanopia (blue-blind)

#28435E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #491b9e;
/* rgb */ color: rgb(73, 27, 158);
/* oklch */ color: oklch(38.3% 0.190 290.1);

Tailwind

colors: {
  custom: {
    50: '#865fbc',
    500: '#491b9e',
    950: '#000000',
  },
}

SCSS

$custom: #491b9e;
$custom-light: #865fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#491b9e",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 158
  },
  "hsl": {
    "h": 261.069,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38326,
    "c": 0.18986,
    "h": 290.1
  },
  "luminance": 0.04669
}

Semantic roles & 50–950 ramp

primary

#491B9E

secondary

#9CC451

accent

#EE3AAF

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #491B9E

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

Preview Lab → · Contrast checker → · Palette generator →