#551A88#551A88

#551A88 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.6% C 0.169 H 303.2°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#551A88
RGB	rgb(85, 26, 136)
HSL	hsl(272, 68%, 32%)
HSV	hsv(272, 81%, 53%)
CMYK	cmyk(37.5%, 80.9%, 0%, 46.7%)
CIE-LAB	lab(25.10, 46.96, -49.44)
CIE-LCH	lch(25.10, 68.18, 313.52°)
OKLab	oklab(37.57% 0.0922 -0.1411)
OKLCH	oklch(37.57% 0.169 303.2)
XYZ	xyz(8.5586, 4.4477, 23.6954)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.61

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A88 #4D881A

analogous

#1E1A88 #551A88 #881A84

triadic

#551A88 #88551A #1A8855

tetradic

#551A88 #881E1A #4D881A #1A8488

square

#551A88 #881E1A #4D881A #1A8488

split-complementary

#551A88 #84881A #1A881E

monochromatic

#150621 #351055 #551A88 #7524BB #9442DB

Accessibility & contrast

On white

11.11

#551A88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#551A88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A88

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A88	#FFFFFF	#000000	##FFFFFF
##551A88	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8B

Deuteranopia (green-blind)

#003B86

Tritanopia (blue-blind)

#4A3751

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #551a88;
/* rgb */ color: rgb(85, 26, 136);
/* oklch */ color: oklch(37.6% 0.169 303.2);

Tailwind

colors: {
  custom: {
    50: '#8a5eac',
    500: '#551a88',
    950: '#000000',
  },
}

SCSS

$custom: #551a88;
$custom-light: #8a5eac;
$custom-dark: #000000;

JSON

{
  "hex": "#551a88",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 136
  },
  "hsl": {
    "h": 272.182,
    "s": 67.901,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3757,
    "c": 0.16851,
    "h": 303.2
  },
  "luminance": 0.04448
}

Semantic roles & 50–950 ramp

primary

#551A88

secondary

#7BBB43

accent

#EB3D8E

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551A88

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

Preview Lab → · Contrast checker → · Palette generator →