#6357DF#6357DF

#6357DF is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.6% C 0.199 H 281.5°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX#6357DF
RGBrgb(99, 87, 223)
HSLhsl(245, 68%, 61%)
HSVhsv(245, 61%, 87%)
CMYKcmyk(55.6%, 61%, 0%, 12.5%)
CIE-LABlab(45.35, 41.93, -68.06)
CIE-LCHlch(45.35, 79.94, 301.64°)
OKLaboklab(54.63% 0.0398 -0.1954)
OKLCHoklch(54.63% 0.199 281.5)
XYZxyz(21.8689, 14.7954, 71.5012)
Luminance0.1480 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6357DF #D3DF57
analogous
#578FDF #6357DF #A757DF
triadic
#6357DF #DF6357 #57DF63
tetradic
#6357DF #DF578F #D3DF57 #57DFA7
square
#6357DF #DF578F #D3DF57 #57DFA7
split-complementary
#6357DF #DFA757 #8FDF57
monochromatic
#291E9E #3728D1 #6357DF #938AE9 #C2BEF3

Accessibility & contrast

On white

5.30
#6357DF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.96
#6357DF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357DF
5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6357DF#FFFFFF#000000##FFFFFF
##6357DF1.005.303.965.30
#FFFFFF5.301.0021.001.00
#0000003.9621.001.0021.00
##FFFFFF5.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0070E3
Deuteranopia (green-blind)
#0066DC
Tritanopia (blue-blind)
#247893
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #6357df;
/* rgb */ color: rgb(99, 87, 223);
/* oklch */ color: oklch(54.6% 0.199 281.5);
Tailwind
colors: {
  custom: {
    50: '#9a87ea',
    500: '#6357df',
    950: '#000000',
  },
}
SCSS
$custom: #6357df;
$custom-light: #9a87ea;
$custom-dark: #000000;
JSON
{
  "hex": "#6357df",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 223
  },
  "hsl": {
    "h": 245.294,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.5463,
    "c": 0.19945,
    "h": 281.5
  },
  "luminance": 0.14797
}

Semantic roles & 50–950 ramp

primary
#6357DF
secondary
#DEE3AF
accent
#D016BF
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#0F0B16
muted
#7F7C84

Preview Lab

Preview with #6357DF

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

Preview Lab → · Contrast checker → · Palette generator →

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