#6370AD#6370AD

#6370AD is a mid, moderate blue. Relative luminance 0.173; OKLCH L 56.1% C 0.096 H 273.8°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#6370AD
RGBrgb(99, 112, 173)
HSLhsl(229, 31%, 53%)
HSVhsv(229, 43%, 68%)
CMYKcmyk(42.8%, 35.3%, 0%, 32.2%)
CIE-LABlab(48.58, 11.29, -34.11)
CIE-LCHlch(48.58, 35.93, 288.32°)
OKLaboklab(56.09% 0.0063 -0.0957)
OKLCHoklch(56.09% 0.096 273.8)
XYZxyz(18.4803, 17.2572, 41.8843)
Luminance0.1726 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6370AD #ADA063
analogous
#6395AD #6370AD #7B63AD
triadic
#6370AD #AD6370 #70AD63
tetradic
#6370AD #AD6395 #ADA063 #63AD7B
square
#6370AD #AD6395 #ADA063 #63AD7B
split-complementary
#6370AD #AD7B63 #95AD63
monochromatic
#343C62 #49548A #6370AD #8B95C2 #B3BAD7

Accessibility & contrast

On white

4.72
#6370AD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.45
#6370AD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6370AD
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6370AD#FFFFFF#000000##FFFFFF
##6370AD1.004.724.454.72
#FFFFFF4.721.0021.001.00
#0000004.4521.001.0021.00
##FFFFFF4.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B77AF
Deuteranopia (green-blind)
#5571AC
Tritanopia (blue-blind)
#4B7C86
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #6370ad;
/* rgb */ color: rgb(99, 112, 173);
/* oklch */ color: oklch(56.1% 0.096 273.8);
Tailwind
colors: {
  custom: {
    50: '#9398c5',
    500: '#6370ad',
    950: '#000000',
  },
}
SCSS
$custom: #6370ad;
$custom-light: #9398c5;
$custom-dark: #000000;
JSON
{
  "hex": "#6370ad",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 173
  },
  "hsl": {
    "h": 229.459,
    "s": 31.092,
    "l": 53.333
  },
  "oklch": {
    "l": 0.56086,
    "c": 0.09595,
    "h": 273.8
  },
  "luminance": 0.17258
}

Semantic roles & 50–950 ramp

primary
#6370AD
secondary
#C6C0A6
accent
#B561C7
background
#F9F9FC
surface
#F1F2F8
border
#CBCCD1
text
#0D0D13
muted
#7E7E82

Preview Lab

Preview with #6370AD

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

Preview Lab → · Contrast checker → · Palette generator →

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