#657FFC#657FFC

#657FFC is a light, vivid blue. Relative luminance 0.250; OKLCH L 64.0% C 0.187 H 271.4°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#657FFC
RGBrgb(101, 127, 252)
HSLhsl(230, 96%, 69%)
HSVhsv(230, 60%, 99%)
CMYKcmyk(59.9%, 49.6%, 0%, 1.2%)
CIE-LABlab(57.05, 27.53, -65.36)
CIE-LCHlch(57.05, 70.92, 292.84°)
OKLaboklab(64.01% 0.0044 -0.1871)
OKLCHoklch(64.01% 0.187 271.4)
XYZxyz(30.5210, 24.9712, 95.2881)
Luminance0.2497 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#657FFC #FCE265
analogous
#65CBFC #657FFC #9765FC
triadic
#657FFC #FC657F #7FFC65
tetradic
#657FFC #FC65CB #FCE265 #65FC97
square
#657FFC #FC65CB #FCE265 #65FC97
split-complementary
#657FFC #FC9765 #CBFC65
monochromatic
#042BE2 #294DFB #657FFC #A1B1FD #DDE3FE

Accessibility & contrast

On white

3.50
#657FFC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.99
#657FFC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FFC
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##657FFC#FFFFFF#000000##000000
##657FFC1.003.505.995.99
#FFFFFF3.501.0021.0021.00
#0000005.9921.001.001.00
##0000005.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#3B90FF
Deuteranopia (green-blind)
#1783F9
Tritanopia (blue-blind)
#009CB2
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #657ffc;
/* rgb */ color: rgb(101, 127, 252);
/* oklch */ color: oklch(64.0% 0.187 271.4);
Tailwind
colors: {
  custom: {
    50: '#9da3fe',
    500: '#657ffc',
    950: '#000000',
  },
}
SCSS
$custom: #657ffc;
$custom-light: #9da3fe;
$custom-dark: #000000;
JSON
{
  "hex": "#657ffc",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 252
  },
  "hsl": {
    "h": 229.669,
    "s": 96.178,
    "l": 69.216
  },
  "oklch": {
    "l": 0.64006,
    "c": 0.18716,
    "h": 271.4
  },
  "luminance": 0.24974
}

Semantic roles & 50–950 ramp

primary
#657FFC
secondary
#F4EDC8
accent
#BE00E6
background
#FAFAFF
surface
#F4F3FF
border
#CECDD7
text
#0F0F18
muted
#7F7F86

Preview Lab

Preview with #657FFC

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

Preview Lab → · Contrast checker → · Palette generator →

#657FFC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva