#6553CB#6553CB

#6553CB is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.6% C 0.179 H 285.3°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#6553CB
RGB	rgb(101, 83, 203)
HSL	hsl(249, 54%, 56%)
HSV	hsv(249, 59%, 80%)
CMYK	cmyk(50.2%, 59.1%, 0%, 20.4%)
CIE-LAB	lab(43.16, 38.57, -60.16)
CIE-LCH	lch(43.16, 71.46, 302.66°)
OKLab	oklab(52.6% 0.0472 -0.1722)
OKLCH	oklch(52.6% 0.179 285.3)
XYZ	xyz(19.2364, 13.2641, 58.0350)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6553CB #B9CB53

analogous

#537DCB #6553CB #A153CB

triadic

#6553CB #CB6553 #53CB65

tetradic

#6553CB #CB537D #B9CB53 #53CBA1

square

#6553CB #CB537D #B9CB53 #53CBA1

split-complementary

#6553CB #CBA153 #7DCB53

monochromatic

#33267E #4634AD #6553CB #8F82D9 #B9B1E7

Accessibility & contrast

On white

5.75

#6553CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#6553CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6553CB

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6553CB	#FFFFFF	#000000	##FFFFFF
##6553CB	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#0062C8

Tritanopia (blue-blind)

#3F6F87

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #6553cb;
/* rgb */ color: rgb(101, 83, 203);
/* oklch */ color: oklch(52.6% 0.179 285.3);

Tailwind

colors: {
  custom: {
    50: '#9984dc',
    500: '#6553cb',
    950: '#000000',
  },
}

SCSS

$custom: #6553cb;
$custom-light: #9984dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6553cb",
  "rgb": {
    "r": 101,
    "g": 83,
    "b": 203
  },
  "hsl": {
    "h": 249,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.52602,
    "c": 0.17852,
    "h": 285.3
  },
  "luminance": 0.13265
}

Semantic roles & 50–950 ramp

primary

#6553CB

secondary

#CED6A4

accent

#DD4BC7

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #6553CB

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

Preview Lab → · Contrast checker → · Palette generator →