#6388F8#6388F8

#6388F8 is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.4% C 0.171 H 267.7°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#6388F8
RGB	rgb(99, 136, 248)
HSL	hsl(225, 91%, 68%)
HSV	hsv(225, 60%, 97%)
CMYK	cmyk(60.1%, 45.2%, 0%, 2.7%)
CIE-LAB	lab(59.01, 20.45, -60.01)
CIE-LCH	lch(59.01, 63.40, 288.82°)
OKLab	oklab(65.39% -0.0068 -0.1713)
OKLCH	oklch(65.39% 0.171 267.7)
XYZ	xyz(30.8873, 27.0357, 92.3794)
Luminance	0.2704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6388F8 #F8D363

analogous

#63D2F8 #6388F8 #8963F8

triadic

#6388F8 #F86388 #88F863

tetradic

#6388F8 #F863D2 #F8D363 #63F889

square

#6388F8 #F863D2 #F8D363 #63F889

split-complementary

#6388F8 #F88963 #D2F863

monochromatic

#0A3DD7 #285BF5 #6388F8 #9EB5FB #D8E1FD

Accessibility & contrast

On white

3.28

#6388F8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#6388F8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6388F8

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6388F8	#FFFFFF	#000000	##000000
##6388F8	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5395FC

Deuteranopia (green-blind)

#3B88F6

Tritanopia (blue-blind)

#00A1B4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #6388f8;
/* rgb */ color: rgb(99, 136, 248);
/* oklch */ color: oklch(65.4% 0.171 267.7);

Tailwind

colors: {
  custom: {
    50: '#9baafb',
    500: '#6388f8',
    950: '#000000',
  },
}

SCSS

$custom: #6388f8;
$custom-light: #9baafb;
$custom-dark: #000000;

JSON

{
  "hex": "#6388f8",
  "rgb": {
    "r": 99,
    "g": 136,
    "b": 248
  },
  "hsl": {
    "h": 225.101,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.65392,
    "c": 0.17145,
    "h": 267.7
  },
  "luminance": 0.27038
}

Semantic roles & 50–950 ramp

primary

#6388F8

secondary

#F2E7C5

accent

#AD00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6388F8

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

Preview Lab → · Contrast checker → · Palette generator →