#6555CD#6555CD

#6555CD is a mid, vivid blue. Relative luminance 0.137; OKLCH L 53.1% C 0.178 H 284.6°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#6555CD
RGB	rgb(101, 85, 205)
HSL	hsl(248, 55%, 57%)
HSV	hsv(248, 59%, 80%)
CMYK	cmyk(50.7%, 58.5%, 0%, 19.6%)
CIE-LAB	lab(43.76, 37.99, -60.35)
CIE-LCH	lch(43.76, 71.31, 302.19°)
OKLab	oklab(53.09% 0.045 -0.1727)
OKLCH	oklch(53.09% 0.178 284.6)
XYZ	xyz(19.6315, 13.6705, 59.3500)
Luminance	0.1367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6555CD #BDCD55

analogous

#5581CD #6555CD #A155CD

triadic

#6555CD #CD6555 #55CD65

tetradic

#6555CD #CD5581 #BDCD55 #55CDA1

square

#6555CD #CD5581 #BDCD55 #55CDA1

split-complementary

#6555CD #CDA155 #81CD55

monochromatic

#322682 #4534B1 #6555CD #9084DB #BBB4E9

Accessibility & contrast

On white

5.62

#6555CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#6555CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6555CD

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6555CD	#FFFFFF	#000000	##FFFFFF
##6555CD	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD1

Deuteranopia (green-blind)

#0064CA

Tritanopia (blue-blind)

#3D7189

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6555cd;
/* rgb */ color: rgb(101, 85, 205);
/* oklch */ color: oklch(53.1% 0.178 284.6);

Tailwind

colors: {
  custom: {
    50: '#9985dd',
    500: '#6555cd',
    950: '#000000',
  },
}

SCSS

$custom: #6555cd;
$custom-light: #9985dd;
$custom-dark: #000000;

JSON

{
  "hex": "#6555cd",
  "rgb": {
    "r": 101,
    "g": 85,
    "b": 205
  },
  "hsl": {
    "h": 248,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.53087,
    "c": 0.17848,
    "h": 284.6
  },
  "luminance": 0.13671
}

Semantic roles & 50–950 ramp

primary

#6555CD

secondary

#D1D7A6

accent

#DE4ACA

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #6555CD

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

Preview Lab → · Contrast checker → · Palette generator →