#491B8F#491B8F

#491B8F is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.173 H 294.0°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#491B8F
RGB	rgb(73, 27, 143)
HSL	hsl(264, 68%, 33%)
HSV	hsv(264, 81%, 56%)
CMYK	cmyk(49%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(24.27, 46.43, -55.22)
CIE-LCH	lch(24.27, 72.15, 310.05°)
OKLab	oklab(36.84% 0.0705 -0.1585)
OKLCH	oklch(36.84% 0.173 294)
XYZ	xyz(8.0961, 4.1833, 26.3621)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B8F #618F1B

analogous

#1B278F #491B8F #831B8F

triadic

#491B8F #8F491B #1B8F49

tetradic

#491B8F #8F1B27 #618F1B #1B8F83

square

#491B8F #8F1B27 #618F1B #1B8F83

split-complementary

#491B8F #8F831B #278F1B

monochromatic

#140828 #2F115C #491B8F #6325C2 #8348DC

Accessibility & contrast

On white

11.43

#491B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#491B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B8F

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B8F	#FFFFFF	#000000	##FFFFFF
##491B8F	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B92

Deuteranopia (green-blind)

#00388D

Tritanopia (blue-blind)

#333C55

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #491b8f;
/* rgb */ color: rgb(73, 27, 143);
/* oklch */ color: oklch(36.8% 0.173 294.0);

Tailwind

colors: {
  custom: {
    50: '#845eb1',
    500: '#491b8f',
    950: '#000000',
  },
}

SCSS

$custom: #491b8f;
$custom-light: #845eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#491b8f",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 263.793,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36835,
    "c": 0.17345,
    "h": 294
  },
  "luminance": 0.04184
}

Semantic roles & 50–950 ramp

primary

#491B8F

secondary

#8FBE48

accent

#EB3DA6

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #491B8F

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

Preview Lab → · Contrast checker → · Palette generator →