#6355CC#6355CC

#6355CC is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.8% C 0.177 H 283.9°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#6355CC
RGB	rgb(99, 85, 204)
HSL	hsl(247, 54%, 57%)
HSV	hsv(247, 58%, 80%)
CMYK	cmyk(51.5%, 58.3%, 0%, 20%)
CIE-LAB	lab(43.52, 37.28, -60.16)
CIE-LCH	lch(43.52, 70.78, 301.79°)
OKLab	oklab(52.85% 0.0425 -0.1722)
OKLCH	oklch(52.85% 0.177 283.9)
XYZ	xyz(19.2899, 13.5082, 58.7060)
Luminance	0.1351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6355CC #BECC55

analogous

#5583CC #6355CC #9F55CC

triadic

#6355CC #CC6355 #55CC63

tetradic

#6355CC #CC5583 #BECC55 #55CC9F

square

#6355CC #CC5583 #BECC55 #55CC9F

split-complementary

#6355CC #CC9F55 #83CC55

monochromatic

#312680 #4335AF #6355CC #8E84DA #B9B3E8

Accessibility & contrast

On white

5.67

#6355CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#6355CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6355CC

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6355CC	#FFFFFF	#000000	##FFFFFF
##6355CC	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#0063CA

Tritanopia (blue-blind)

#3A7188

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6355cc;
/* rgb */ color: rgb(99, 85, 204);
/* oklch */ color: oklch(52.8% 0.177 283.9);

Tailwind

colors: {
  custom: {
    50: '#9785dc',
    500: '#6355cc',
    950: '#000000',
  },
}

SCSS

$custom: #6355cc;
$custom-light: #9785dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6355cc",
  "rgb": {
    "r": 99,
    "g": 85,
    "b": 204
  },
  "hsl": {
    "h": 247.059,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52848,
    "c": 0.17739,
    "h": 283.9
  },
  "luminance": 0.13509
}

Semantic roles & 50–950 ramp

primary

#6355CC

secondary

#D1D7A6

accent

#DD4BCC

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6355CC

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

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