#551A8B#551A8B

#551A8B is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.172 H 302.2°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#551A8B
RGB	rgb(85, 26, 139)
HSL	hsl(271, 68%, 32%)
HSV	hsv(271, 81%, 55%)
CMYK	cmyk(38.8%, 81.3%, 0%, 45.5%)
CIE-LAB	lab(25.36, 47.69, -50.88)
CIE-LCH	lch(25.36, 69.73, 313.14°)
OKLab	oklab(37.84% 0.0913 -0.1453)
OKLCH	oklch(37.84% 0.172 302.2)
XYZ	xyz(8.7748, 4.5341, 24.8340)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.69

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A8B #508B1A

analogous

#1C1A8B #551A8B #8B1A89

triadic

#551A8B #8B551A #1A8B55

tetradic

#551A8B #8B1C1A #508B1A #1A898B

square

#551A8B #8B1C1A #508B1A #1A898B

split-complementary

#551A8B #898B1A #1A8B1C

monochromatic

#160724 #351057 #551A8B #7524BF #9343DC

Accessibility & contrast

On white

11.01

#551A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#551A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A8B

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A8B	#FFFFFF	#000000	##FFFFFF
##551A8B	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003C89

Tritanopia (blue-blind)

#493953

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #551a8b;
/* rgb */ color: rgb(85, 26, 139);
/* oklch */ color: oklch(37.8% 0.172 302.2);

Tailwind

colors: {
  custom: {
    50: '#8b5eae',
    500: '#551a8b',
    950: '#000000',
  },
}

SCSS

$custom: #551a8b;
$custom-light: #8b5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#551a8b",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 139
  },
  "hsl": {
    "h": 271.327,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37836,
    "c": 0.17161,
    "h": 302.2
  },
  "luminance": 0.04534
}

Semantic roles & 50–950 ramp

primary

#551A8B

secondary

#7EBD44

accent

#EB3C90

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551A8B

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

Preview Lab → · Contrast checker → · Palette generator →