#553FCB#553FCB

#553FCB is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.1% C 0.205 H 282.7°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#553FCB
RGB	rgb(85, 63, 203)
HSL	hsl(249, 57%, 52%)
HSV	hsv(249, 69%, 80%)
CMYK	cmyk(58.1%, 69%, 0%, 20.4%)
CIE-LAB	lab(37.48, 47.29, -69.48)
CIE-LCH	lch(37.48, 84.05, 304.24°)
OKLab	oklab(48.14% 0.0449 -0.2001)
OKLCH	oklch(48.14% 0.205 282.7)
XYZ	xyz(16.3000, 9.7970, 57.5204)
Luminance	0.0980 (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

#553FCB #B5CB3F

analogous

#3F6FCB #553FCB #9B3FCB

triadic

#553FCB #CB553F #3FCB55

tetradic

#553FCB #CB3F6F #B5CB3F #3FCB9B

square

#553FCB #CB3F6F #B5CB3F #3FCB9B

split-complementary

#553FCB #CB9B3F #6FCB3F

monochromatic

#2C1F71 #3E2CA1 #553FCB #806FD8 #AA9FE5

Accessibility & contrast

On white

7.10

#553FCB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#553FCB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553FCB

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553FCB	#FFFFFF	#000000	##FFFFFF
##553FCB	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCF

Deuteranopia (green-blind)

#0053C8

Tritanopia (blue-blind)

#0B6480

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #553fcb;
/* rgb */ color: rgb(85, 63, 203);
/* oklch */ color: oklch(48.1% 0.205 282.7);

Tailwind

colors: {
  custom: {
    50: '#9176dc',
    500: '#553fcb',
    950: '#000000',
  },
}

SCSS

$custom: #553fcb;
$custom-light: #9176dc;
$custom-dark: #000000;

JSON

{
  "hex": "#553fcb",
  "rgb": {
    "r": 85,
    "g": 63,
    "b": 203
  },
  "hsl": {
    "h": 249.429,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.48138,
    "c": 0.20505,
    "h": 282.7
  },
  "luminance": 0.09798
}

Semantic roles & 50–950 ramp

primary

#553FCB

secondary

#C8D194

accent

#E147C9

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #553FCB

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

Preview Lab → · Contrast checker → · Palette generator →