#6357DB#6357DB

#6357DB is a mid, vivid blue. Relative luminance 0.146; OKLCH L 54.3% C 0.194 H 281.9°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX#6357DB
RGBrgb(99, 87, 219)
HSLhsl(245, 65%, 60%)
HSVhsv(245, 60%, 86%)
CMYKcmyk(54.8%, 60.3%, 0%, 14.1%)
CIE-LABlab(45.06, 40.70, -66.26)
CIE-LCHlch(45.06, 77.77, 301.56°)
OKLaboklab(54.32% 0.04 -0.1902)
OKLCHoklch(54.32% 0.194 281.9)
XYZxyz(21.3360, 14.5822, 68.6945)
Luminance0.1458 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6357DB #CFDB57
analogous
#578DDB #6357DB #A557DB
triadic
#6357DB #DB6357 #57DB63
tetradic
#6357DB #DB578D #CFDB57 #57DBA5
square
#6357DB #DB578D #CFDB57 #57DBA5
split-complementary
#6357DB #DBA557 #8DDB57
monochromatic
#2B2097 #3A2BCA #6357DB #9289E6 #C1BCF1

Accessibility & contrast

On white

5.36
#6357DB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.92
#6357DB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357DB
5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6357DB#FFFFFF#000000##FFFFFF
##6357DB1.005.363.925.36
#FFFFFF5.361.0021.001.00
#0000003.9221.001.0021.00
##FFFFFF5.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006FDF
Deuteranopia (green-blind)
#0066D8
Tritanopia (blue-blind)
#2A7791
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #6357db;
/* rgb */ color: rgb(99, 87, 219);
/* oklch */ color: oklch(54.3% 0.194 281.9);
Tailwind
colors: {
  custom: {
    50: '#9987e7',
    500: '#6357db',
    950: '#000000',
  },
}
SCSS
$custom: #6357db;
$custom-light: #9987e7;
$custom-dark: #000000;
JSON
{
  "hex": "#6357db",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 219
  },
  "hsl": {
    "h": 245.455,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.5432,
    "c": 0.19432,
    "h": 281.9
  },
  "luminance": 0.14584
}

Semantic roles & 50–950 ramp

primary
#6357DB
secondary
#DCE0AD
accent
#E840D8
background
#FAF8FE
surface
#F3EFFD
border
#CDCAD5
text
#0F0B16
muted
#7F7C84

Preview Lab

Preview with #6357DB

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

Preview Lab → · Contrast checker → · Palette generator →

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