#658CF3#658CF3

#658CF3 is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.0% C 0.159 H 266.5°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX#658CF3
RGBrgb(101, 140, 243)
HSLhsl(224, 86%, 67%)
HSVhsv(224, 58%, 95%)
CMYKcmyk(58.4%, 42.4%, 0%, 4.7%)
CIE-LABlab(59.88, 16.79, -55.85)
CIE-LCHlch(59.88, 58.32, 286.73°)
OKLaboklab(66% -0.0098 -0.159)
OKLCHoklch(66% 0.159 266.5)
XYZxyz(30.9171, 27.9914, 88.5503)
Luminance0.2799 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#658CF3 #F3CC65
analogous
#65D3F3 #658CF3 #8565F3
triadic
#658CF3 #F3658C #8CF365
tetradic
#658CF3 #F365D3 #F3CC65 #65F385
square
#658CF3 #F365D3 #F3CC65 #65F385
split-complementary
#658CF3 #F38565 #D3F365
monochromatic
#1044CE #2C62EF #658CF3 #9EB6F7 #D7E1FC

Accessibility & contrast

On white

3.18
#658CF3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.60
#658CF3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658CF3
6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##658CF3#FFFFFF#000000##000000
##658CF31.003.186.606.60
#FFFFFF3.181.0021.0021.00
#0000006.6021.001.001.00
##0000006.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E97F7
Deuteranopia (green-blind)
#4A8AF1
Tritanopia (blue-blind)
#00A3B4
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #658cf3;
/* rgb */ color: rgb(101, 140, 243);
/* oklch */ color: oklch(66.0% 0.159 266.5);
Tailwind
colors: {
  custom: {
    50: '#9badf7',
    500: '#658cf3',
    950: '#000000',
  },
}
SCSS
$custom: #658cf3;
$custom-light: #9badf7;
$custom-dark: #000000;
JSON
{
  "hex": "#658cf3",
  "rgb": {
    "r": 101,
    "g": 140,
    "b": 243
  },
  "hsl": {
    "h": 223.521,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.65999,
    "c": 0.15932,
    "h": 266.5
  },
  "luminance": 0.27994
}

Semantic roles & 50–950 ramp

primary
#658CF3
secondary
#F0E4C4
accent
#A503E2
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #658CF3

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

Preview Lab → · Contrast checker → · Palette generator →

#658CF3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva