#553DCF#553DCF

#553DCF is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.2% C 0.212 H 282.5°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#553DCF
RGB	rgb(85, 61, 207)
HSL	hsl(250, 60%, 53%)
HSV	hsv(250, 71%, 81%)
CMYK	cmyk(58.9%, 70.5%, 0%, 18.8%)
CIE-LAB	lab(37.43, 49.59, -71.87)
CIE-LCH	lch(37.43, 87.32, 304.61°)
OKLab	oklab(48.21% 0.0458 -0.2071)
OKLCH	oklch(48.21% 0.212 282.5)
XYZ	xyz(16.6740, 9.7727, 60.0271)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.05

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553DCF #B7CF3D

analogous

#3D6ECF #553DCF #9E3DCF

triadic

#553DCF #CF553D #3DCF55

tetradic

#553DCF #CF3D6E #B7CF3D #3DCF9E

square

#553DCF #CF3D6E #B7CF3D #3DCF9E

split-complementary

#553DCF #CF9E3D #6ECF3D

monochromatic

#2B1D75 #3E29A6 #553DCF #806EDB #AB9FE7

Accessibility & contrast

On white

7.11

#553DCF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#553DCF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553DCF

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553DCF	#FFFFFF	#000000	##FFFFFF
##553DCF	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD3

Deuteranopia (green-blind)

#0053CC

Tritanopia (blue-blind)

#006482

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #553dcf;
/* rgb */ color: rgb(85, 61, 207);
/* oklch */ color: oklch(48.2% 0.212 282.5);

Tailwind

colors: {
  custom: {
    50: '#9275df',
    500: '#553dcf',
    950: '#000000',
  },
}

SCSS

$custom: #553dcf;
$custom-light: #9275df;
$custom-dark: #000000;

JSON

{
  "hex": "#553dcf",
  "rgb": {
    "r": 85,
    "g": 61,
    "b": 207
  },
  "hsl": {
    "h": 249.863,
    "s": 60.331,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48214,
    "c": 0.21207,
    "h": 282.5
  },
  "luminance": 0.09774
}

Semantic roles & 50–950 ramp

primary

#553DCF

secondary

#C9D494

accent

#E344C9

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #553DCF

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

Preview Lab → · Contrast checker → · Palette generator →