#659EFB#659EFB

#659EFB is a light, vivid blue. Relative luminance 0.342; OKLCH L 70.2% C 0.150 H 259.7°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX#659EFB
RGBrgb(101, 158, 251)
HSLhsl(217, 95%, 69%)
HSVhsv(217, 60%, 98%)
CMYKcmyk(59.8%, 37.1%, 0%, 1.6%)
CIE-LABlab(65.11, 8.78, -51.94)
CIE-LCHlch(65.11, 52.68, 279.60°)
OKLaboklab(70.17% -0.0267 -0.1474)
OKLCHoklch(70.17% 0.15 259.7)
XYZxyz(35.0002, 34.1824, 96.0015)
Luminance0.3418 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#659EFB #FBC265
analogous
#65E9FB #659EFB #7765FB
triadic
#659EFB #FB659E #9EFB65
tetradic
#659EFB #FB65E9 #FBC265 #65FB77
square
#659EFB #FB65E9 #FBC265 #65FB77
split-complementary
#659EFB #FB7765 #E9FB65
monochromatic
#0659E0 #2978F9 #659EFB #A1C4FD #DCE9FE

Accessibility & contrast

On white

2.68
#659EFB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.84
#659EFB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659EFB
7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##659EFB#FFFFFF#000000##000000
##659EFB1.002.687.847.84
#FFFFFF2.681.0021.0021.00
#0000007.8421.001.001.00
##0000007.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#76A6FF
Deuteranopia (green-blind)
#6298F9
Tritanopia (blue-blind)
#00B3C0
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #659efb;
/* rgb */ color: rgb(101, 158, 251);
/* oklch */ color: oklch(70.2% 0.150 259.7);
Tailwind
colors: {
  custom: {
    50: '#9cbafd',
    500: '#659efb',
    950: '#000000',
  },
}
SCSS
$custom: #659efb;
$custom-light: #9cbafd;
$custom-dark: #000000;
JSON
{
  "hex": "#659efb",
  "rgb": {
    "r": 101,
    "g": 158,
    "b": 251
  },
  "hsl": {
    "h": 217.2,
    "s": 94.937,
    "l": 69.02
  },
  "oklch": {
    "l": 0.70173,
    "c": 0.14975,
    "h": 259.7
  },
  "luminance": 0.34185
}

Semantic roles & 50–950 ramp

primary
#659EFB
secondary
#F4E3C8
accent
#8E00E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1117
muted
#7F8085

Preview Lab

Preview with #659EFB

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

Preview Lab → · Contrast checker → · Palette generator →

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