#551B7E#551B7E

#551B7E is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.157 H 306.7°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#551B7E
RGB	rgb(85, 27, 126)
HSL	hsl(275, 65%, 30%)
HSV	hsv(275, 79%, 49%)
CMYK	cmyk(32.5%, 78.6%, 0%, 50.6%)
CIE-LAB	lab(24.39, 44.14, -44.30)
CIE-LCH	lch(24.39, 62.54, 314.89°)
OKLab	oklab(36.81% 0.0939 -0.126)
OKLCH	oklch(36.81% 0.157 306.7)
XYZ	xyz(7.9033, 4.2216, 20.1331)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.06

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B7E #447E1B

analogous

#241B7E #551B7E #7E1B75

triadic

#551B7E #7E551B #1B7E55

tetradic

#551B7E #7E241B #447E1B #1B757E

square

#551B7E #7E241B #447E1B #1B757E

split-complementary

#551B7E #757E1B #1B7E24

monochromatic

#110519 #33104C #551B7E #7726B0 #973ED6

Accessibility & contrast

On white

11.39

#551B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#551B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B7E

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B7E	#FFFFFF	#000000	##FFFFFF
##551B7E	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003881

Deuteranopia (green-blind)

#003A7C

Tritanopia (blue-blind)

#4E344C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551b7e;
/* rgb */ color: rgb(85, 27, 126);
/* oklch */ color: oklch(36.8% 0.157 306.7);

Tailwind

colors: {
  custom: {
    50: '#895ea4',
    500: '#551b7e',
    950: '#000000',
  },
}

SCSS

$custom: #551b7e;
$custom-light: #895ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#551b7e",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 126
  },
  "hsl": {
    "h": 275.152,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.36809,
    "c": 0.1571,
    "h": 306.7
  },
  "luminance": 0.04222
}

Semantic roles & 50–950 ramp

primary

#551B7E

secondary

#71B243

accent

#E84086

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551B7E

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

Preview Lab → · Contrast checker → · Palette generator →