#657EB8#657EB8

#657EB8 is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.8% C 0.094 H 265.8°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX#657EB8
RGBrgb(101, 126, 184)
HSLhsl(222, 37%, 56%)
HSVhsv(222, 45%, 72%)
CMYKcmyk(45.1%, 31.5%, 0%, 27.8%)
CIE-LABlab(53.11, 6.65, -33.36)
CIE-LCHlch(53.11, 34.02, 281.27°)
OKLaboklab(59.8% -0.0068 -0.0935)
OKLCHoklch(59.8% 0.094 265.8)
XYZxyz(21.4767, 21.1479, 48.2884)
Luminance0.2115 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#657EB8 #B89F65
analogous
#65A7B8 #657EB8 #7565B8
triadic
#657EB8 #B8657E #7EB865
tetradic
#657EB8 #B865A7 #B89F65 #65B875
square
#657EB8 #B865A7 #B89F65 #65B875
split-complementary
#657EB8 #B87565 #A7B865
monochromatic
#33456F #475F99 #657EB8 #8FA1CB #B9C4DF

Accessibility & contrast

On white

4.02
#657EB8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.23
#657EB8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EB8
5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##657EB8#FFFFFF#000000##000000
##657EB81.004.025.235.23
#FFFFFF4.021.0021.0021.00
#0000005.2321.001.001.00
##0000005.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6983BA
Deuteranopia (green-blind)
#607BB7
Tritanopia (blue-blind)
#468A93
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #657eb8;
/* rgb */ color: rgb(101, 126, 184);
/* oklch */ color: oklch(59.8% 0.094 265.8);
Tailwind
colors: {
  custom: {
    50: '#95a3cd',
    500: '#657eb8',
    950: '#000000',
  },
}
SCSS
$custom: #657eb8;
$custom-light: #95a3cd;
$custom-dark: #000000;
JSON
{
  "hex": "#657eb8",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 184
  },
  "hsl": {
    "h": 221.928,
    "s": 36.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.59797,
    "c": 0.09376,
    "h": 265.8
  },
  "luminance": 0.21149
}

Semantic roles & 50–950 ramp

primary
#657EB8
secondary
#CEC3AB
accent
#AB5BCD
background
#F9FAFC
surface
#F2F3F9
border
#CCCDD2
text
#0D0F13
muted
#7E7F82

Preview Lab

Preview with #657EB8

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

Preview Lab → · Contrast checker → · Palette generator →

#657EB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva