#6655CB#6655CB

#6655CB is a mid, vivid blue. Relative luminance 0.136; OKLCH L 53.0% C 0.176 H 285.3°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#6655CB
RGB	rgb(102, 85, 203)
HSL	hsl(249, 53%, 56%)
HSV	hsv(249, 58%, 80%)
CMYK	cmyk(49.8%, 58.1%, 0%, 20.4%)
CIE-LAB	lab(43.70, 37.58, -59.28)
CIE-LCH	lch(43.70, 70.19, 302.38°)
OKLab	oklab(53.02% 0.0463 -0.1695)
OKLCH	oklch(53.02% 0.176 285.3)
XYZ	xyz(19.5043, 13.6326, 58.0920)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6655CB #BACB55

analogous

#557FCB #6655CB #A155CB

triadic

#6655CB #CB6655 #55CB66

tetradic

#6655CB #CB557F #BACB55 #55CBA1

square

#6655CB #CB557F #BACB55 #55CBA1

split-complementary

#6655CB #CBA155 #7FCB55

monochromatic

#33277F #4635AE #6655CB #9084D9 #BAB3E8

Accessibility & contrast

On white

5.63

#6655CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#6655CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6655CB

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6655CB	#FFFFFF	#000000	##FFFFFF
##6655CB	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)

#006BCF

Deuteranopia (green-blind)

#0064C9

Tritanopia (blue-blind)

#417088

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6655cb;
/* rgb */ color: rgb(102, 85, 203);
/* oklch */ color: oklch(53.0% 0.176 285.3);

Tailwind

colors: {
  custom: {
    50: '#9985dc',
    500: '#6655cb',
    950: '#000000',
  },
}

SCSS

$custom: #6655cb;
$custom-light: #9985dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6655cb",
  "rgb": {
    "r": 102,
    "g": 85,
    "b": 203
  },
  "hsl": {
    "h": 248.644,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.53022,
    "c": 0.17575,
    "h": 285.3
  },
  "luminance": 0.13634
}

Semantic roles & 50–950 ramp

primary

#6655CB

secondary

#CFD6A6

accent

#DD4BC8

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #6655CB

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

Preview Lab → · Contrast checker → · Palette generator →