#6370F8#6370F8

#6370F8 is a mid, highly saturated blue. Relative luminance 0.210; OKLCH L 60.8% C 0.201 H 274.6°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#6370F8
RGB	rgb(99, 112, 248)
HSL	hsl(235, 91%, 68%)
HSV	hsv(235, 60%, 97%)
CMYK	cmyk(60.1%, 54.8%, 0%, 2.7%)
CIE-LAB	lab(52.97, 34.93, -69.74)
CIE-LCH	lch(52.97, 78.00, 296.61°)
OKLab	oklab(60.83% 0.0162 -0.2002)
OKLCH	oklch(60.83% 0.201 274.6)
XYZ	xyz(27.8775, 21.0161, 91.3762)
Luminance	0.2102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370F8 #F8EB63

analogous

#63BAF8 #6370F8 #A063F8

triadic

#6370F8 #F86370 #70F863

tetradic

#6370F8 #F863BA #F8EB63 #63F8A0

square

#6370F8 #F863BA #F8EB63 #63F8A0

split-complementary

#6370F8 #F8A063 #BAF863

monochromatic

#0A1CD7 #283AF5 #6370F8 #9EA6FB #D8DBFD

Accessibility & contrast

On white

4.04

#6370F8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#6370F8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370F8

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370F8	#FFFFFF	#000000	##000000
##6370F8	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0085FD

Deuteranopia (green-blind)

#0078F5

Tritanopia (blue-blind)

#0090A9

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #6370f8;
/* rgb */ color: rgb(99, 112, 248);
/* oklch */ color: oklch(60.8% 0.201 274.6);

Tailwind

colors: {
  custom: {
    50: '#9c99fb',
    500: '#6370f8',
    950: '#000000',
  },
}

SCSS

$custom: #6370f8;
$custom-light: #9c99fb;
$custom-dark: #000000;

JSON

{
  "hex": "#6370f8",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 248
  },
  "hsl": {
    "h": 234.765,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.60825,
    "c": 0.20086,
    "h": 274.6
  },
  "luminance": 0.21018
}

Semantic roles & 50–950 ramp

primary

#6370F8

secondary

#F2EEC5

accent

#D100E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0D18

muted

#7F7E86

Preview Lab

Preview with #6370F8

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

Preview Lab → · Contrast checker → · Palette generator →