#6387FB#6387FB

#6387FB is a light, vivid blue. Relative luminance 0.269; OKLCH L 65.4% C 0.177 H 268.3°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#6387FB
RGB	rgb(99, 135, 251)
HSL	hsl(226, 95%, 69%)
HSV	hsv(226, 61%, 98%)
CMYK	cmyk(60.6%, 46.2%, 0%, 1.6%)
CIE-LAB	lab(58.92, 22.03, -61.80)
CIE-LCH	lch(58.92, 65.61, 289.62°)
OKLab	oklab(65.38% -0.0054 -0.1766)
OKLCH	oklch(65.38% 0.177 268.3)
XYZ	xyz(31.2162, 26.9430, 94.8036)
Luminance	0.2695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6387FB #FBD763

analogous

#63D3FB #6387FB #8B63FB

triadic

#6387FB #FB6387 #87FB63

tetradic

#6387FB #FB63D3 #FBD763 #63FB8B

square

#6387FB #FB63D3 #FBD763 #63FB8B

split-complementary

#6387FB #FB8B63 #D3FB63

monochromatic

#0639DE #2759F9 #6387FB #9FB5FD #DAE3FE

Accessibility & contrast

On white

3.29

#6387FB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#6387FB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6387FB

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6387FB	#FFFFFF	#000000	##000000
##6387FB	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E95FF

Deuteranopia (green-blind)

#3487F9

Tritanopia (blue-blind)

#00A1B5

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #6387fb;
/* rgb */ color: rgb(99, 135, 251);
/* oklch */ color: oklch(65.4% 0.177 268.3);

Tailwind

colors: {
  custom: {
    50: '#9ca9fd',
    500: '#6387fb',
    950: '#000000',
  },
}

SCSS

$custom: #6387fb;
$custom-light: #9ca9fd;
$custom-dark: #000000;

JSON

{
  "hex": "#6387fb",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 251
  },
  "hsl": {
    "h": 225.789,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.65382,
    "c": 0.17668,
    "h": 268.3
  },
  "luminance": 0.26946
}

Semantic roles & 50–950 ramp

primary

#6387FB

secondary

#F4E9C6

accent

#AF00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #6387FB

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

Preview Lab → · Contrast checker → · Palette generator →