#658AFB#658AFB

#658AFB is a light, vivid blue. Relative luminance 0.279; OKLCH L 66.1% C 0.172 H 267.9°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX#658AFB
RGBrgb(101, 138, 251)
HSLhsl(225, 95%, 69%)
HSVhsv(225, 60%, 98%)
CMYKcmyk(59.8%, 45%, 0%, 1.6%)
CIE-LABlab(59.80, 20.59, -60.38)
CIE-LCHlch(59.80, 63.80, 288.83°)
OKLaboklab(66.08% -0.0065 -0.1723)
OKLCHoklch(66.08% 0.172 267.9)
XYZxyz(31.8620, 27.9060, 94.9554)
Luminance0.2791 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#658AFB #FBD665
analogous
#65D5FB #658AFB #8B65FB
triadic
#658AFB #FB658A #8AFB65
tetradic
#658AFB #FB65D5 #FBD665 #65FB8B
square
#658AFB #FB65D5 #FBD665 #65FB8B
split-complementary
#658AFB #FB8B65 #D5FB65
monochromatic
#063CE0 #295DF9 #658AFB #A1B7FD #DCE5FE

Accessibility & contrast

On white

3.19
#658AFB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.58
#658AFB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658AFB
6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##658AFB#FFFFFF#000000##000000
##658AFB1.003.196.586.58
#FFFFFF3.191.0021.0021.00
#0000006.5821.001.001.00
##0000006.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#5497FF
Deuteranopia (green-blind)
#3D8AF9
Tritanopia (blue-blind)
#00A4B6
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #658afb;
/* rgb */ color: rgb(101, 138, 251);
/* oklch */ color: oklch(66.1% 0.172 267.9);
Tailwind
colors: {
  custom: {
    50: '#9dabfd',
    500: '#658afb',
    950: '#000000',
  },
}
SCSS
$custom: #658afb;
$custom-light: #9dabfd;
$custom-dark: #000000;
JSON
{
  "hex": "#658afb",
  "rgb": {
    "r": 101,
    "g": 138,
    "b": 251
  },
  "hsl": {
    "h": 225.2,
    "s": 94.937,
    "l": 69.02
  },
  "oklch": {
    "l": 0.66084,
    "c": 0.17247,
    "h": 267.9
  },
  "luminance": 0.27909
}

Semantic roles & 50–950 ramp

primary
#658AFB
secondary
#F4E9C8
accent
#AD00E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1018
muted
#7F7F86

Preview Lab

Preview with #658AFB

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

Preview Lab → · Contrast checker → · Palette generator →

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