#6553D3#6553D3

#6553D3 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 53.2% C 0.189 H 284.4°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#6553D3
RGB	rgb(101, 83, 211)
HSL	hsl(248, 59%, 58%)
HSV	hsv(248, 61%, 83%)
CMYK	cmyk(52.1%, 60.7%, 0%, 17.3%)
CIE-LAB	lab(43.73, 40.98, -63.83)
CIE-LCH	lch(43.73, 75.85, 302.70°)
OKLab	oklab(53.21% 0.0469 -0.183)
OKLCH	oklch(53.21% 0.189 284.4)
XYZ	xyz(20.2144, 13.6553, 63.1860)
Luminance	0.1366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6553D3 #C1D353

analogous

#5381D3 #6553D3 #A553D3

triadic

#6553D3 #D36553 #53D365

tetradic

#6553D3 #D35381 #C1D353 #53D3A5

square

#6553D3 #D35381 #C1D353 #53D3A5

split-complementary

#6553D3 #D3A553 #81D353

monochromatic

#312389 #432FB9 #6553D3 #9184DF #BCB4EC

Accessibility & contrast

On white

5.63

#6553D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#6553D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6553D3

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6553D3	#FFFFFF	#000000	##FFFFFF
##6553D3	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD7

Deuteranopia (green-blind)

#0063D0

Tritanopia (blue-blind)

#39718B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6553d3;
/* rgb */ color: rgb(101, 83, 211);
/* oklch */ color: oklch(53.2% 0.189 284.4);

Tailwind

colors: {
  custom: {
    50: '#9a84e1',
    500: '#6553d3',
    950: '#000000',
  },
}

SCSS

$custom: #6553d3;
$custom-light: #9a84e1;
$custom-dark: #000000;

JSON

{
  "hex": "#6553d3",
  "rgb": {
    "r": 101,
    "g": 83,
    "b": 211
  },
  "hsl": {
    "h": 248.438,
    "s": 59.259,
    "l": 57.647
  },
  "oklch": {
    "l": 0.53206,
    "c": 0.18887,
    "h": 284.4
  },
  "luminance": 0.13656
}

Semantic roles & 50–950 ramp

primary

#6553D3

secondary

#D3DBA7

accent

#E245CC

background

#FAF8FD

surface

#F3EFFB

border

#CDCAD4

text

#0F0B15

muted

#7F7C83

Preview Lab

Preview with #6553D3

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

Preview Lab → · Contrast checker → · Palette generator →