#6381FB#6381FB

#6381FB is a light, vivid blue. Relative luminance 0.253; OKLCH L 64.2% C 0.184 H 270.1°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#6381FB
RGB	rgb(99, 129, 251)
HSL	hsl(228, 95%, 69%)
HSV	hsv(228, 61%, 98%)
CMYK	cmyk(60.6%, 48.6%, 0%, 1.6%)
CIE-LAB	lab(57.38, 25.65, -64.28)
CIE-LCH	lch(57.38, 69.20, 291.75°)
OKLab	oklab(64.21% 0.0004 -0.1839)
OKLCH	oklch(64.21% 0.184 270.1)
XYZ	xyz(30.4026, 25.3156, 94.5323)
Luminance	0.2532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6381FB #FBDD63

analogous

#63CDFB #6381FB #9163FB

triadic

#6381FB #FB6381 #81FB63

tetradic

#6381FB #FB63CD #FBDD63 #63FB91

square

#6381FB #FB63CD #FBDD63 #63FB91

split-complementary

#6381FB #FB9163 #CDFB63

monochromatic

#0630DE #2751F9 #6381FB #9FB1FD #DAE1FE

Accessibility & contrast

On white

3.46

#6381FB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#6381FB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6381FB

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6381FB	#FFFFFF	#000000	##000000
##6381FB	1.00	3.46	6.06	6.06
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4191FF

Deuteranopia (green-blind)

#2183F8

Tritanopia (blue-blind)

#009DB2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #6381fb;
/* rgb */ color: rgb(99, 129, 251);
/* oklch */ color: oklch(64.2% 0.184 270.1);

Tailwind

colors: {
  custom: {
    50: '#9ca5fd',
    500: '#6381fb',
    950: '#000000',
  },
}

SCSS

$custom: #6381fb;
$custom-light: #9ca5fd;
$custom-dark: #000000;

JSON

{
  "hex": "#6381fb",
  "rgb": {
    "r": 99,
    "g": 129,
    "b": 251
  },
  "hsl": {
    "h": 228.158,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.64211,
    "c": 0.18394,
    "h": 270.1
  },
  "luminance": 0.25318
}

Semantic roles & 50–950 ramp

primary

#6381FB

secondary

#F4EBC6

accent

#B800E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #6381FB

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

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