#553AE3#553AE3

#553AE3 is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.7% C 0.238 H 280.5°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#553AE3
RGB	rgb(85, 58, 227)
HSL	hsl(250, 75%, 56%)
HSV	hsv(250, 74%, 89%)
CMYK	cmyk(62.6%, 74.4%, 0%, 11%)
CIE-LAB	lab(38.73, 57.07, -81.23)
CIE-LCH	lch(38.73, 99.27, 305.09°)
OKLab	oklab(49.69% 0.0436 -0.2344)
OKLCH	oklch(49.69% 0.238 280.5)
XYZ	xyz(19.1201, 10.5020, 73.6777)
Luminance	0.1050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.71

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553AE3 #C8E33A

analogous

#3A73E3 #553AE3 #A93AE3

triadic

#553AE3 #E3553A #3AE355

tetradic

#553AE3 #E33A73 #C8E33A #3AE3A9

square

#553AE3 #E33A73 #C8E33A #3AE3A9

split-complementary

#553AE3 #E3A93A #73E33A

monochromatic

#28148E #371CC4 #553AE3 #8370EB #B1A5F2

Accessibility & contrast

On white

6.77

#553AE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#553AE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553AE3

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553AE3	#FFFFFF	#000000	##FFFFFF
##553AE3	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E8

Deuteranopia (green-blind)

#0055E0

Tritanopia (blue-blind)

#006B8C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #553ae3;
/* rgb */ color: rgb(85, 58, 227);
/* oklch */ color: oklch(49.7% 0.238 280.5);

Tailwind

colors: {
  custom: {
    50: '#9674ed',
    500: '#553ae3',
    950: '#000000',
  },
}

SCSS

$custom: #553ae3;
$custom-light: #9674ed;
$custom-dark: #000000;

JSON

{
  "hex": "#553ae3",
  "rgb": {
    "r": 85,
    "g": 58,
    "b": 227
  },
  "hsl": {
    "h": 249.586,
    "s": 75.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.49693,
    "c": 0.23841,
    "h": 280.5
  },
  "luminance": 0.10503
}

Semantic roles & 50–950 ramp

primary

#553AE3

secondary

#D4DF99

accent

#F236D4

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0817

muted

#7F7B85

Preview Lab

Preview with #553AE3

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

Preview Lab → · Contrast checker → · Palette generator →