#6389FD#6389FD

#6389FD is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.9% C 0.177 H 267.7°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#6389FD
RGB	rgb(99, 137, 253)
HSL	hsl(225, 97%, 69%)
HSV	hsv(225, 61%, 99%)
CMYK	cmyk(60.9%, 45.8%, 0%, 0.8%)
CIE-LAB	lab(59.56, 21.49, -61.89)
CIE-LCH	lch(59.56, 65.51, 289.15°)
OKLab	oklab(65.9% -0.007 -0.1768)
OKLCH	oklch(65.9% 0.177 267.7)
XYZ	xyz(31.8148, 27.6331, 96.5666)
Luminance	0.2764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6389FD #FDD763

analogous

#63D6FD #6389FD #8A63FD

triadic

#6389FD #FD6389 #89FD63

tetradic

#6389FD #FD63D6 #FDD763 #63FD8A

square

#6389FD #FD63D6 #FDD763 #63FD8A

split-complementary

#6389FD #FD8A63 #D6FD63

monochromatic

#033AE3 #275BFC #6389FD #9FB7FE #DCE4FF

Accessibility & contrast

On white

3.22

#6389FD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#6389FD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6389FD

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6389FD	#FFFFFF	#000000	##000000
##6389FD	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5097FF

Deuteranopia (green-blind)

#3689FB

Tritanopia (blue-blind)

#00A3B7

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #6389fd;
/* rgb */ color: rgb(99, 137, 253);
/* oklch */ color: oklch(65.9% 0.177 267.7);

Tailwind

colors: {
  custom: {
    50: '#9cabff',
    500: '#6389fd',
    950: '#000000',
  },
}

SCSS

$custom: #6389fd;
$custom-light: #9cabff;
$custom-dark: #000000;

JSON

{
  "hex": "#6389fd",
  "rgb": {
    "r": 99,
    "g": 137,
    "b": 253
  },
  "hsl": {
    "h": 225.195,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.65904,
    "c": 0.17696,
    "h": 267.7
  },
  "luminance": 0.27636
}

Semantic roles & 50–950 ramp

primary

#6389FD

secondary

#F4E9C7

accent

#AD00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #6389FD

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

Preview Lab → · Contrast checker → · Palette generator →