#551FA5#551FA5

#551FA5 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.7% C 0.194 H 294.1°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#551FA5
RGB	rgb(85, 31, 165)
HSL	hsl(264, 68%, 38%)
HSV	hsv(264, 81%, 65%)
CMYK	cmyk(48.5%, 81.2%, 0%, 35.3%)
CIE-LAB	lab(28.45, 52.25, -61.78)
CIE-LCH	lch(28.45, 80.91, 310.22°)
OKLab	oklab(40.72% 0.0792 -0.1773)
OKLCH	oklch(40.72% 0.194 294.1)
XYZ	xyz(11.0260, 5.6275, 36.0953)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551FA5 #6FA51F

analogous

#1F2CA5 #551FA5 #981FA5

triadic

#551FA5 #A5551F #1FA555

tetradic

#551FA5 #A51F2C #6FA51F #1FA598

square

#551FA5 #A51F2C #6FA51F #1FA598

split-complementary

#551FA5 #A5981F #2CA51F

monochromatic

#200C3E #3A1571 #551FA5 #702AD7 #925EE1

Accessibility & contrast

On white

9.88

#551FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#551FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551FA5

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551FA5	#FFFFFF	#000000	##FFFFFF
##551FA5	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A9

Deuteranopia (green-blind)

#0041A3

Tritanopia (blue-blind)

#3C4663

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #551fa5;
/* rgb */ color: rgb(85, 31, 165);
/* oklch */ color: oklch(40.7% 0.194 294.1);

Tailwind

colors: {
  custom: {
    50: '#8e62c1',
    500: '#551fa5',
    950: '#000000',
  },
}

SCSS

$custom: #551fa5;
$custom-light: #8e62c1;
$custom-dark: #000000;

JSON

{
  "hex": "#551fa5",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 165
  },
  "hsl": {
    "h": 264.179,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40717,
    "c": 0.19419,
    "h": 294.1
  },
  "luminance": 0.05628
}

Semantic roles & 50–950 ramp

primary

#551FA5

secondary

#9AC55B

accent

#EB3DA5

background

#F9F6FC

surface

#F1EBF8

border

#CBC6D1

text

#0D0612

muted

#7E7A81

Preview Lab

Preview with #551FA5

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

Preview Lab → · Contrast checker → · Palette generator →