#6370D5#6370D5

#6370D5 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.4% C 0.154 H 275.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#6370D5
RGBrgb(99, 112, 213)
HSLhsl(233, 58%, 61%)
HSVhsv(233, 54%, 84%)
CMYKcmyk(53.5%, 47.4%, 0%, 16.5%)
CIE-LABlab(50.74, 23.67, -53.69)
CIE-LCHlch(50.74, 58.67, 293.79°)
OKLaboklab(58.44% 0.0136 -0.153)
OKLCHoklch(58.44% 0.154 275.1)
XYZxyz(22.9462, 19.0436, 65.4045)
Luminance0.1905 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6370D5 #D5C863
analogous
#63A9D5 #6370D5 #8F63D5
triadic
#6370D5 #D56370 #70D563
tetradic
#6370D5 #D563A9 #D5C863 #63D58F
square
#6370D5 #D563A9 #D5C863 #63D58F
split-complementary
#6370D5 #D58F63 #A9D563
monochromatic
#283595 #3546C6 #6370D5 #939CE2 #C3C8EF

Accessibility & contrast

On white

4.37
#6370D5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.81
#6370D5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370D5
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6370D5#FFFFFF#000000##000000
##6370D51.004.374.814.81
#FFFFFF4.371.0021.0021.00
#0000004.8121.001.001.00
##0000004.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#417ED9
Deuteranopia (green-blind)
#3374D3
Tritanopia (blue-blind)
#2C8698
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #6370d5;
/* rgb */ color: rgb(99, 112, 213);
/* oklch */ color: oklch(58.4% 0.154 275.1);
Tailwind
colors: {
  custom: {
    50: '#9798e2',
    500: '#6370d5',
    950: '#000000',
  },
}
SCSS
$custom: #6370d5;
$custom-light: #9798e2;
$custom-dark: #000000;
JSON
{
  "hex": "#6370d5",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 213
  },
  "hsl": {
    "h": 233.158,
    "s": 57.576,
    "l": 61.176
  },
  "oklch": {
    "l": 0.58435,
    "c": 0.15359,
    "h": 275.1
  },
  "luminance": 0.19045
}

Semantic roles & 50–950 ramp

primary
#6370D5
secondary
#DFDAB4
accent
#B220C5
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0E0D15
muted
#7E7E83

Preview Lab

Preview with #6370D5

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

Preview Lab → · Contrast checker → · Palette generator →

#6370D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva