#551FA9#551FA9

#551FA9 is a dark, vivid violet. Relative luminance 0.058; OKLCH L 41.1% C 0.198 H 293.1°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#551FA9
RGB	rgb(85, 31, 169)
HSL	hsl(263, 69%, 39%)
HSV	hsv(263, 82%, 66%)
CMYK	cmyk(49.7%, 81.7%, 0%, 33.7%)
CIE-LAB	lab(28.84, 53.28, -63.56)
CIE-LCH	lch(28.84, 82.93, 309.97°)
OKLab	oklab(41.1% 0.0779 -0.1825)
OKLCH	oklch(41.1% 0.198 293.1)
XYZ	xyz(11.3957, 5.7754, 38.0428)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551FA9 #73A91F

analogous

#1F2EA9 #551FA9 #9A1FA9

triadic

#551FA9 #A9551F #1FA955

tetradic

#551FA9 #A91F2E #73A91F #1FA99A

square

#551FA9 #A91F2E #73A91F #1FA99A

split-complementary

#551FA9 #A99A1F #2EA91F

monochromatic

#210C42 #3B1675 #551FA9 #702DD8 #9360E2

Accessibility & contrast

On white

9.74

#551FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#551FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551FA9

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551FA9	#FFFFFF	#000000	##FFFFFF
##551FA9	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AD

Deuteranopia (green-blind)

#0041A7

Tritanopia (blue-blind)

#3A4865

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #551fa9;
/* rgb */ color: rgb(85, 31, 169);
/* oklch */ color: oklch(41.1% 0.198 293.1);

Tailwind

colors: {
  custom: {
    50: '#8e63c4',
    500: '#551fa9',
    950: '#000000',
  },
}

SCSS

$custom: #551fa9;
$custom-light: #8e63c4;
$custom-dark: #000000;

JSON

{
  "hex": "#551fa9",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 169
  },
  "hsl": {
    "h": 263.478,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.41101,
    "c": 0.19843,
    "h": 293.1
  },
  "luminance": 0.05776
}

Semantic roles & 50–950 ramp

primary

#551FA9

secondary

#9DC75D

accent

#EC3CA7

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0D0613

muted

#7E7A82

Preview Lab

Preview with #551FA9

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

Preview Lab → · Contrast checker → · Palette generator →