#6370E8#6370E8

#6370E8 is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.7% C 0.180 H 274.9°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#6370E8
RGB	rgb(99, 112, 232)
HSL	hsl(234, 74%, 65%)
HSV	hsv(234, 57%, 91%)
CMYK	cmyk(57.3%, 51.7%, 0%, 9%)
CIE-LAB	lab(51.91, 29.76, -62.52)
CIE-LCH	lch(51.91, 69.24, 295.46°)
OKLab	oklab(59.7% 0.0154 -0.179)
OKLCH	oklch(59.7% 0.18 274.9)
XYZ	xyz(25.5005, 20.0653, 78.8575)
Luminance	0.2007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370E8 #E8DB63

analogous

#63B3E8 #6370E8 #9863E8

triadic

#6370E8 #E86370 #70E863

tetradic

#6370E8 #E863B3 #E8DB63 #63E898

square

#6370E8 #E863B3 #E8DB63 #63E898

split-complementary

#6370E8 #E89863 #B3E863

monochromatic

#1B2AB6 #2E3FE0 #6370E8 #98A1F0 #CED2F8

Accessibility & contrast

On white

4.19

#6370E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#6370E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370E8

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370E8	#FFFFFF	#000000	##000000
##6370E8	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B82EC

Deuteranopia (green-blind)

#0476E5

Tritanopia (blue-blind)

#008BA1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #6370e8;
/* rgb */ color: rgb(99, 112, 232);
/* oklch */ color: oklch(59.7% 0.180 274.9);

Tailwind

colors: {
  custom: {
    50: '#9a98f0',
    500: '#6370e8',
    950: '#000000',
  },
}

SCSS

$custom: #6370e8;
$custom-light: #9a98f0;
$custom-dark: #000000;

JSON

{
  "hex": "#6370e8",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 232
  },
  "hsl": {
    "h": 234.135,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.59697,
    "c": 0.17962,
    "h": 274.9
  },
  "luminance": 0.20067
}

Semantic roles & 50–950 ramp

primary

#6370E8

secondary

#EAE6BD

accent

#C30FD6

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #6370E8

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

Preview Lab → · Contrast checker → · Palette generator →