#659CFD#659CFD

#659CFD is a light, vivid blue. Relative luminance 0.336; OKLCH L 69.9% C 0.155 H 261.0°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX#659CFD
RGBrgb(101, 156, 253)
HSLhsl(218, 97%, 69%)
HSVhsv(218, 60%, 99%)
CMYKcmyk(60.1%, 38.3%, 0%, 0.8%)
CIE-LABlab(64.67, 10.60, -53.72)
CIE-LCHlch(64.67, 54.76, 281.16°)
OKLaboklab(69.87% -0.0242 -0.1526)
OKLCHoklch(69.87% 0.155 261)
XYZxyz(34.9787, 33.6324, 97.5578)
Luminance0.3363 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#659CFD #FDC665
analogous
#65E8FD #659CFD #7A65FD
triadic
#659CFD #FD659C #9CFD65
tetradic
#659CFD #FD65E8 #FDC665 #65FD7A
square
#659CFD #FD65E8 #FDC665 #65FD7A
split-complementary
#659CFD #FD7A65 #E8FD65
monochromatic
#0355E5 #2975FC #659CFD #A1C3FE #DEEAFF

Accessibility & contrast

On white

2.72
#659CFD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.73
#659CFD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659CFD
7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##659CFD#FFFFFF#000000##000000
##659CFD1.002.727.737.73
#FFFFFF2.721.0021.0021.00
#0000007.7321.001.001.00
##0000007.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#72A5FF
Deuteranopia (green-blind)
#5D96FB
Tritanopia (blue-blind)
#00B2C0
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #659cfd;
/* rgb */ color: rgb(101, 156, 253);
/* oklch */ color: oklch(69.9% 0.155 261.0);
Tailwind
colors: {
  custom: {
    50: '#9db8fe',
    500: '#659cfd',
    950: '#000000',
  },
}
SCSS
$custom: #659cfd;
$custom-light: #9db8fe;
$custom-dark: #000000;
JSON
{
  "hex": "#659cfd",
  "rgb": {
    "r": 101,
    "g": 156,
    "b": 253
  },
  "hsl": {
    "h": 218.289,
    "s": 97.436,
    "l": 69.412
  },
  "oklch": {
    "l": 0.69866,
    "c": 0.15452,
    "h": 261
  },
  "luminance": 0.33635
}

Semantic roles & 50–950 ramp

primary
#659CFD
secondary
#F5E5C9
accent
#9200E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1118
muted
#7F8086

Preview Lab

Preview with #659CFD

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

Preview Lab → · Contrast checker → · Palette generator →

#659CFD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva