#551A87#551A87

#551A87 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.5% C 0.167 H 303.5°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#551A87
RGB	rgb(85, 26, 135)
HSL	hsl(272, 68%, 32%)
HSV	hsv(272, 81%, 53%)
CMYK	cmyk(37%, 80.7%, 0%, 47.1%)
CIE-LAB	lab(25.01, 46.71, -48.96)
CIE-LCH	lch(25.01, 67.67, 313.66°)
OKLab	oklab(37.48% 0.0925 -0.1396)
OKLCH	oklch(37.48% 0.167 303.5)
XYZ	xyz(8.4879, 4.4194, 23.3228)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.60

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A87 #4C871A

analogous

#1F1A87 #551A87 #871A83

triadic

#551A87 #87551A #1A8755

tetradic

#551A87 #871F1A #4C871A #1A8387

square

#551A87 #871F1A #4C871A #1A8387

split-complementary

#551A87 #83871A #1A871F

monochromatic

#140620 #351054 #551A87 #7524BA #9441DA

Accessibility & contrast

On white

11.15

#551A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#551A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A87

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A87	#FFFFFF	#000000	##FFFFFF
##551A87	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#4B3750

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #551a87;
/* rgb */ color: rgb(85, 26, 135);
/* oklch */ color: oklch(37.5% 0.167 303.5);

Tailwind

colors: {
  custom: {
    50: '#8a5eab',
    500: '#551a87',
    950: '#000000',
  },
}

SCSS

$custom: #551a87;
$custom-light: #8a5eab;
$custom-dark: #000000;

JSON

{
  "hex": "#551a87",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 135
  },
  "hsl": {
    "h": 272.477,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37482,
    "c": 0.16749,
    "h": 303.5
  },
  "luminance": 0.04419
}

Semantic roles & 50–950 ramp

primary

#551A87

secondary

#79BA42

accent

#EB3D8D

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551A87

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

Preview Lab → · Contrast checker → · Palette generator →