#6357AD#6357AD

#6357AD is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.1% C 0.132 H 287.1°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#6357AD
RGBrgb(99, 87, 173)
HSLhsl(248, 34%, 51%)
HSVhsv(248, 50%, 68%)
CMYKcmyk(42.8%, 49.7%, 0%, 32.2%)
CIE-LABlab(41.98, 26.72, -44.57)
CIE-LCHlch(41.98, 51.96, 300.94°)
OKLaboklab(51.05% 0.039 -0.1264)
OKLCHoklch(51.05% 0.132 287.1)
XYZxyz(16.0945, 12.4856, 41.0890)
Luminance0.1249 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6357AD #A1AD57
analogous
#5776AD #6357AD #8E57AD
triadic
#6357AD #AD6357 #57AD63
tetradic
#6357AD #AD5776 #A1AD57 #57AD8E
square
#6357AD #AD5776 #A1AD57 #57AD8E
split-complementary
#6357AD #AD8E57 #76AD57
monochromatic
#342D5C #4B4186 #6357AD #8980C1 #AFA9D5

Accessibility & contrast

On white

6.00
#6357AD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#6357AD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357AD
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6357AD#FFFFFF#000000##FFFFFF
##6357AD1.006.003.506.00
#FFFFFF6.001.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF6.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3365B0
Deuteranopia (green-blind)
#3361AB
Tritanopia (blue-blind)
#4D697A
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #6357ad;
/* rgb */ color: rgb(99, 87, 173);
/* oklch */ color: oklch(51.1% 0.132 287.1);
Tailwind
colors: {
  custom: {
    50: '#9386c6',
    500: '#6357ad',
    950: '#000000',
  },
}
SCSS
$custom: #6357ad;
$custom-light: #9386c6;
$custom-dark: #000000;
JSON
{
  "hex": "#6357ad",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 173
  },
  "hsl": {
    "h": 248.372,
    "s": 34.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51055,
    "c": 0.13225,
    "h": 287.1
  },
  "luminance": 0.12486
}

Semantic roles & 50–950 ramp

primary
#6357AD
secondary
#BEC39D
accent
#CA5DBB
background
#F9F8FC
surface
#F2EFF8
border
#CCCAD1
text
#0D0B13
muted
#7E7C82

Preview Lab

Preview with #6357AD

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

Preview Lab → · Contrast checker → · Palette generator →

#6357AD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva