#6389FC#6389FC

#6389FC is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.8% C 0.176 H 267.7°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#6389FC
RGB	rgb(99, 137, 252)
HSL	hsl(225, 96%, 69%)
HSV	hsv(225, 61%, 99%)
CMYK	cmyk(60.7%, 45.6%, 0%, 1.2%)
CIE-LAB	lab(59.50, 21.16, -61.43)
CIE-LCH	lch(59.50, 64.97, 289.01°)
OKLab	oklab(65.84% -0.0072 -0.1755)
OKLCH	oklch(65.84% 0.176 267.7)
XYZ	xyz(31.6560, 27.5695, 95.7298)
Luminance	0.2757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6389FC #FCD663

analogous

#63D6FC #6389FC #8A63FC

triadic

#6389FC #FC6389 #89FC63

tetradic

#6389FC #FC63D6 #FCD663 #63FC8A

square

#6389FC #FC63D6 #FCD663 #63FC8A

split-complementary

#6389FC #FC8A63 #D6FC63

monochromatic

#043BE0 #275CFB #6389FC #9FB6FD #DBE4FE

Accessibility & contrast

On white

3.22

#6389FC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#6389FC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6389FC

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6389FC	#FFFFFF	#000000	##000000
##6389FC	1.00	3.22	6.51	6.51
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5197FF

Deuteranopia (green-blind)

#3889FA

Tritanopia (blue-blind)

#00A3B6

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #6389fc;
/* rgb */ color: rgb(99, 137, 252);
/* oklch */ color: oklch(65.8% 0.176 267.7);

Tailwind

colors: {
  custom: {
    50: '#9cabfe',
    500: '#6389fc',
    950: '#000000',
  },
}

SCSS

$custom: #6389fc;
$custom-light: #9cabfe;
$custom-dark: #000000;

JSON

{
  "hex": "#6389fc",
  "rgb": {
    "r": 99,
    "g": 137,
    "b": 252
  },
  "hsl": {
    "h": 225.098,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.65841,
    "c": 0.17562,
    "h": 267.7
  },
  "luminance": 0.27572
}

Semantic roles & 50–950 ramp

primary

#6389FC

secondary

#F4E9C7

accent

#AC00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #6389FC

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

Preview Lab → · Contrast checker → · Palette generator →