#553D8D#553D8D

#553D8D is a dark, vivid violet. Relative luminance 0.072; OKLCH L 42.8% C 0.128 H 294.2°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#553D8D
RGB	rgb(85, 61, 141)
HSL	hsl(258, 40%, 40%)
HSV	hsv(258, 57%, 55%)
CMYK	cmyk(39.7%, 56.7%, 0%, 44.7%)
CIE-LAB	lab(32.24, 29.85, -40.98)
CIE-LCH	lch(32.24, 50.69, 306.07°)
OKLab	oklab(42.83% 0.0523 -0.1163)
OKLCH	oklch(42.83% 0.128 294.2)
XYZ	xyz(10.2215, 7.1916, 26.0437)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553D8D #758D3D

analogous

#3D4D8D #553D8D #7D3D8D

triadic

#553D8D #8D553D #3D8D55

tetradic

#553D8D #8D3D4D #758D3D #3D8D7D

square

#553D8D #8D3D4D #758D3D #3D8D7D

split-complementary

#553D8D #8D7D3D #4D8D3D

monochromatic

#211838 #3B2B62 #553D8D #7053B4 #937DC7

Accessibility & contrast

On white

8.61

#553D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#553D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553D8D

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553D8D	#FFFFFF	#000000	##FFFFFF
##553D8D	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174D90

Deuteranopia (green-blind)

#1E4B8B

Tritanopia (blue-blind)

#474E5F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #553d8d;
/* rgb */ color: rgb(85, 61, 141);
/* oklch */ color: oklch(42.8% 0.128 294.2);

Tailwind

colors: {
  custom: {
    50: '#8973af',
    500: '#553d8d',
    950: '#000000',
  },
}

SCSS

$custom: #553d8d;
$custom-light: #8973af;
$custom-dark: #000000;

JSON

{
  "hex": "#553d8d",
  "rgb": {
    "r": 85,
    "g": 61,
    "b": 141
  },
  "hsl": {
    "h": 258,
    "s": 39.604,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4283,
    "c": 0.12753,
    "h": 294.2
  },
  "luminance": 0.07192
}

Semantic roles & 50–950 ramp

primary

#553D8D

secondary

#9FB175

accent

#CF58AC

background

#F8F7FA

surface

#F0EDF4

border

#CBC8CE

text

#0C0810

muted

#7D7B7F

Preview Lab

Preview with #553D8D

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

Preview Lab → · Contrast checker → · Palette generator →