#6383FB#6383FB

#6383FB is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.6% C 0.182 H 269.5°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#6383FB
RGB	rgb(99, 131, 251)
HSL	hsl(227, 95%, 69%)
HSV	hsv(227, 61%, 98%)
CMYK	cmyk(60.6%, 47.8%, 0%, 1.6%)
CIE-LAB	lab(57.89, 24.44, -63.46)
CIE-LCH	lch(57.89, 68.00, 291.07°)
OKLab	oklab(64.6% -0.0015 -0.1815)
OKLCH	oklch(64.6% 0.182 269.5)
XYZ	xyz(30.6686, 25.8477, 94.6210)
Luminance	0.2585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6383FB #FBDB63

analogous

#63CFFB #6383FB #8F63FB

triadic

#6383FB #FB6383 #83FB63

tetradic

#6383FB #FB63CF #FBDB63 #63FB8F

square

#6383FB #FB63CF #FBDB63 #63FB8F

split-complementary

#6383FB #FB8F63 #CFFB63

monochromatic

#0633DE #2754F9 #6383FB #9FB2FD #DAE2FE

Accessibility & contrast

On white

3.40

#6383FB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#6383FB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6383FB

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6383FB	#FFFFFF	#000000	##000000
##6383FB	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4592FF

Deuteranopia (green-blind)

#2885F8

Tritanopia (blue-blind)

#009EB3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #6383fb;
/* rgb */ color: rgb(99, 131, 251);
/* oklch */ color: oklch(64.6% 0.182 269.5);

Tailwind

colors: {
  custom: {
    50: '#9ca6fd',
    500: '#6383fb',
    950: '#000000',
  },
}

SCSS

$custom: #6383fb;
$custom-light: #9ca6fd;
$custom-dark: #000000;

JSON

{
  "hex": "#6383fb",
  "rgb": {
    "r": 99,
    "g": 131,
    "b": 251
  },
  "hsl": {
    "h": 227.368,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.64598,
    "c": 0.18151,
    "h": 269.5
  },
  "luminance": 0.2585
}

Semantic roles & 50–950 ramp

primary

#6383FB

secondary

#F4EAC6

accent

#B500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #6383FB

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

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