#553EB3#553EB3

#553EB3 is a mid, vivid violet. Relative luminance 0.086; OKLCH L 45.9% C 0.176 H 286.2°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#553EB3
RGB	rgb(85, 62, 179)
HSL	hsl(252, 49%, 47%)
HSV	hsv(252, 65%, 70%)
CMYK	cmyk(52.5%, 65.4%, 0%, 29.8%)
CIE-LAB	lab(35.26, 40.58, -59.02)
CIE-LCH	lch(35.26, 71.62, 304.51°)
OKLab	oklab(45.92% 0.0492 -0.1694)
OKLCH	oklch(45.92% 0.176 286.2)
XYZ	xyz(13.6032, 8.6305, 43.5882)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.64

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553EB3 #9CB33E

analogous

#3E61B3 #553EB3 #903EB3

triadic

#553EB3 #B3553E #3EB355

tetradic

#553EB3 #B33E61 #9CB33E #3EB390

square

#553EB3 #B33E61 #9CB33E #3EB390

split-complementary

#553EB3 #B3903E #61B33E

monochromatic

#2A1F58 #3F2E86 #553EB3 #7865CA #A092D9

Accessibility & contrast

On white

7.70

#553EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#553EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553EB3

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553EB3	#FFFFFF	#000000	##FFFFFF
##553EB3	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#305B73

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #553eb3;
/* rgb */ color: rgb(85, 62, 179);
/* oklch */ color: oklch(45.9% 0.176 286.2);

Tailwind

colors: {
  custom: {
    50: '#8d75cb',
    500: '#553eb3',
    950: '#000000',
  },
}

SCSS

$custom: #553eb3;
$custom-light: #8d75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#553eb3",
  "rgb": {
    "r": 85,
    "g": 62,
    "b": 179
  },
  "hsl": {
    "h": 251.795,
    "s": 48.548,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45924,
    "c": 0.17637,
    "h": 286.2
  },
  "luminance": 0.08631
}

Semantic roles & 50–950 ramp

primary

#553EB3

secondary

#B9C588

accent

#D850BD

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #553EB3

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

Preview Lab → · Contrast checker → · Palette generator →