#657FE3#657FE3

#657FE3 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.4% C 0.153 H 270.5°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX#657FE3
RGBrgb(101, 127, 227)
HSLhsl(228, 69%, 64%)
HSVhsv(228, 56%, 89%)
CMYKcmyk(55.5%, 44.1%, 0%, 11%)
CIE-LABlab(55.57, 19.43, -53.84)
CIE-LCHlch(55.57, 57.24, 289.85°)
OKLaboklab(62.41% 0.0013 -0.1532)
OKLCHoklch(62.41% 0.153 270.5)
XYZxyz(26.8168, 23.4895, 75.7789)
Luminance0.2349 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#657FE3 #E3C965
analogous
#65BEE3 #657FE3 #8A65E3
triadic
#657FE3 #E3657F #7FE365
tetradic
#657FE3 #E365BE #E3C965 #65E38A
square
#657FE3 #E365BE #E3C965 #65E38A
split-complementary
#657FE3 #E38A65 #BEE365
monochromatic
#203DAE #3154DA #657FE3 #99AAEC #CDD5F6

Accessibility & contrast

On white

3.69
#657FE3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.70
#657FE3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FE3
5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##657FE3#FFFFFF#000000##000000
##657FE31.003.695.705.70
#FFFFFF3.691.0021.0021.00
#0000005.7021.001.001.00
##0000005.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#538BE7
Deuteranopia (green-blind)
#4380E1
Tritanopia (blue-blind)
#1995A6
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #657fe3;
/* rgb */ color: rgb(101, 127, 227);
/* oklch */ color: oklch(62.4% 0.153 270.5);
Tailwind
colors: {
  custom: {
    50: '#9aa3ec',
    500: '#657fe3',
    950: '#000000',
  },
}
SCSS
$custom: #657fe3;
$custom-light: #9aa3ec;
$custom-dark: #000000;
JSON
{
  "hex": "#657fe3",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 227
  },
  "hsl": {
    "h": 227.619,
    "s": 69.231,
    "l": 64.314
  },
  "oklch": {
    "l": 0.6241,
    "c": 0.15325,
    "h": 270.5
  },
  "luminance": 0.23491
}

Semantic roles & 50–950 ramp

primary
#657FE3
secondary
#E8DFBC
accent
#AA14D1
background
#F9FAFE
surface
#F2F3FD
border
#CCCDD5
text
#0F0F16
muted
#7E7F84

Preview Lab

Preview with #657FE3

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

Preview Lab → · Contrast checker → · Palette generator →

#657FE3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva