#6370F7#6370F7

#6370F7 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.8% C 0.200 H 274.7°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#6370F7
RGB	rgb(99, 112, 247)
HSL	hsl(235, 90%, 68%)
HSV	hsv(235, 60%, 97%)
CMYK	cmyk(59.9%, 54.7%, 0%, 3.1%)
CIE-LAB	lab(52.90, 34.61, -69.29)
CIE-LCH	lch(52.90, 77.46, 296.54°)
OKLab	oklab(60.75% 0.0162 -0.1989)
OKLCH	oklch(60.75% 0.2 274.7)
XYZ	xyz(27.7228, 20.9542, 90.5613)
Luminance	0.2096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370F7 #F7EA63

analogous

#63BAF7 #6370F7 #A063F7

triadic

#6370F7 #F76370 #70F763

tetradic

#6370F7 #F763BA #F7EA63 #63F7A0

square

#6370F7 #F763BA #F7EA63 #63F7A0

split-complementary

#6370F7 #F7A063 #BAF763

monochromatic

#0B1DD5 #293BF4 #6370F7 #9DA5FA #D7DBFD

Accessibility & contrast

On white

4.05

#6370F7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#6370F7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370F7

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370F7	#FFFFFF	#000000	##000000
##6370F7	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0085FC

Deuteranopia (green-blind)

#0078F4

Tritanopia (blue-blind)

#0090A9

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #6370f7;
/* rgb */ color: rgb(99, 112, 247);
/* oklch */ color: oklch(60.8% 0.200 274.7);

Tailwind

colors: {
  custom: {
    50: '#9c99fb',
    500: '#6370f7',
    950: '#000000',
  },
}

SCSS

$custom: #6370f7;
$custom-light: #9c99fb;
$custom-dark: #000000;

JSON

{
  "hex": "#6370f7",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 247
  },
  "hsl": {
    "h": 234.73,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.60753,
    "c": 0.19955,
    "h": 274.7
  },
  "luminance": 0.20956
}

Semantic roles & 50–950 ramp

primary

#6370F7

secondary

#F2EEC4

accent

#D100E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #6370F7

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

Preview Lab → · Contrast checker → · Palette generator →