#657BCD#657BCD

#657BCD is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.3% C 0.127 H 270.8°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX#657BCD
RGBrgb(101, 123, 205)
HSLhsl(227, 51%, 60%)
HSVhsv(227, 51%, 80%)
CMYKcmyk(50.7%, 40%, 0%, 19.6%)
CIE-LABlab(53.32, 14.88, -45.02)
CIE-LCHlch(53.32, 47.42, 288.29°)
OKLaboklab(60.29% 0.0019 -0.1275)
OKLCHoklch(60.29% 0.127 270.8)
XYZxyz(23.4657, 21.3389, 60.6281)
Luminance0.2134 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#657BCD #CDB765
analogous
#65AFCD #657BCD #8365CD
triadic
#657BCD #CD657B #7BCD65
tetradic
#657BCD #CD65AF #CDB765 #65CD83
square
#657BCD #CD65AF #CDB765 #65CD83
split-complementary
#657BCD #CD8365 #AFCD65
monochromatic
#2D418B #3C56B9 #657BCD #93A3DC #C1CAEB

Accessibility & contrast

On white

3.99
#657BCD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.27
#657BCD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BCD
5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##657BCD#FFFFFF#000000##000000
##657BCD1.003.995.275.27
#FFFFFF3.991.0021.0021.00
#0000005.2721.001.001.00
##0000005.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#5A84D0
Deuteranopia (green-blind)
#4F7BCB
Tritanopia (blue-blind)
#388C9A
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #657bcd;
/* rgb */ color: rgb(101, 123, 205);
/* oklch */ color: oklch(60.3% 0.127 270.8);
Tailwind
colors: {
  custom: {
    50: '#97a0dc',
    500: '#657bcd',
    950: '#000000',
  },
}
SCSS
$custom: #657bcd;
$custom-light: #97a0dc;
$custom-dark: #000000;
JSON
{
  "hex": "#657bcd",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 205
  },
  "hsl": {
    "h": 227.308,
    "s": 50.98,
    "l": 60
  },
  "oklch": {
    "l": 0.60294,
    "c": 0.12747,
    "h": 270.8
  },
  "luminance": 0.2134
}

Semantic roles & 50–950 ramp

primary
#657BCD
secondary
#DBD2B3
accent
#BD4DDA
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0E0E15
muted
#7E7E83

Preview Lab

Preview with #657BCD

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

Preview Lab → · Contrast checker → · Palette generator →

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