#553ECB#553ECB

#553ECB is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 48.0% C 0.206 H 282.8°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#553ECB
RGB	rgb(85, 62, 203)
HSL	hsl(250, 58%, 52%)
HSV	hsv(250, 69%, 80%)
CMYK	cmyk(58.1%, 69.5%, 0%, 20.4%)
CIE-LAB	lab(37.28, 47.84, -69.81)
CIE-LCH	lch(37.28, 84.63, 304.43°)
OKLab	oklab(47.99% 0.0458 -0.201)
OKLCH	oklch(47.99% 0.206 282.8)
XYZ	xyz(16.2451, 9.6873, 57.5021)
Luminance	0.0969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553ECB #B4CB3E

analogous

#3E6ECB #553ECB #9B3ECB

triadic

#553ECB #CB553E #3ECB55

tetradic

#553ECB #CB3E6E #B4CB3E #3ECB9B

square

#553ECB #CB3E6E #B4CB3E #3ECB9B

split-complementary

#553ECB #CB9B3E #6ECB3E

monochromatic

#2C1E70 #3E2BA1 #553ECB #7F6ED8 #AA9EE5

Accessibility & contrast

On white

7.15

#553ECB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#553ECB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553ECB

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553ECB	#FFFFFF	#000000	##FFFFFF
##553ECB	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCF

Deuteranopia (green-blind)

#0053C8

Tritanopia (blue-blind)

#0C6380

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #553ecb;
/* rgb */ color: rgb(85, 62, 203);
/* oklch */ color: oklch(48.0% 0.206 282.8);

Tailwind

colors: {
  custom: {
    50: '#9175dc',
    500: '#553ecb',
    950: '#000000',
  },
}

SCSS

$custom: #553ecb;
$custom-light: #9175dc;
$custom-dark: #000000;

JSON

{
  "hex": "#553ecb",
  "rgb": {
    "r": 85,
    "g": 62,
    "b": 203
  },
  "hsl": {
    "h": 249.787,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.47994,
    "c": 0.20616,
    "h": 282.8
  },
  "luminance": 0.09688
}

Semantic roles & 50–950 ramp

primary

#553ECB

secondary

#C7D194

accent

#E147C8

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #553ECB

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

Preview Lab → · Contrast checker → · Palette generator →