#6553CC#6553CC

#6553CC is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.7% C 0.180 H 285.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#6553CC
RGB	rgb(101, 83, 204)
HSL	hsl(249, 54%, 56%)
HSV	hsv(249, 59%, 80%)
CMYK	cmyk(50.5%, 59.3%, 0%, 20%)
CIE-LAB	lab(43.23, 38.87, -60.62)
CIE-LCH	lch(43.23, 72.01, 302.67°)
OKLab	oklab(52.68% 0.0472 -0.1735)
OKLCH	oklch(52.68% 0.18 285.2)
XYZ	xyz(19.3559, 13.3119, 58.6646)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6553CC #BACC53

analogous

#537ECC #6553CC #A253CC

triadic

#6553CC #CC6553 #53CC65

tetradic

#6553CC #CC537E #BACC53 #53CCA2

square

#6553CC #CC537E #BACC53 #53CCA2

split-complementary

#6553CC #CCA253 #7ECC53

monochromatic

#33267F #4634AE #6553CC #8F82DA #BAB1E8

Accessibility & contrast

On white

5.73

#6553CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#6553CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6553CC

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6553CC	#FFFFFF	#000000	##FFFFFF
##6553CC	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#0062C9

Tritanopia (blue-blind)

#3E6F87

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #6553cc;
/* rgb */ color: rgb(101, 83, 204);
/* oklch */ color: oklch(52.7% 0.180 285.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6553cc",
  "rgb": {
    "r": 101,
    "g": 83,
    "b": 204
  },
  "hsl": {
    "h": 248.926,
    "s": 54.26,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52676,
    "c": 0.17982,
    "h": 285.2
  },
  "luminance": 0.13313
}

Semantic roles & 50–950 ramp

primary

#6553CC

secondary

#CFD6A4

accent

#DE4AC8

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #6553CC

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

Preview Lab → · Contrast checker → · Palette generator →