#657DB0#657DB0

#657DB0 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.2% C 0.083 H 264.6°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#657DB0
RGBrgb(101, 125, 176)
HSLhsl(221, 32%, 54%)
HSVhsv(221, 43%, 69%)
CMYKcmyk(42.6%, 29%, 0%, 31%)
CIE-LABlab(52.47, 4.88, -29.76)
CIE-LCHlch(52.47, 30.15, 279.31°)
OKLaboklab(59.18% -0.0078 -0.0831)
OKLCHoklch(59.18% 0.083 264.6)
XYZxyz(20.5344, 20.5674, 43.9538)
Luminance0.2057 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#657DB0 #B09865
analogous
#65A3B0 #657DB0 #7365B0
triadic
#657DB0 #B0657D #7DB065
tetradic
#657DB0 #B065A3 #B09865 #65B073
square
#657DB0 #B065A3 #B09865 #65B073
split-complementary
#657DB0 #B07365 #A3B065
monochromatic
#344466 #495F8F #657DB0 #8D9FC5 #B6C1DA

Accessibility & contrast

On white

4.11
#657DB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.11
#657DB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DB0
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##657DB0#FFFFFF#000000##000000
##657DB01.004.115.115.11
#FFFFFF4.111.0021.0021.00
#0000005.1121.001.001.00
##0000005.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B81B2
Deuteranopia (green-blind)
#637AAF
Tritanopia (blue-blind)
#4B888F
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #657db0;
/* rgb */ color: rgb(101, 125, 176);
/* oklch */ color: oklch(59.2% 0.083 264.6);
Tailwind
colors: {
  custom: {
    50: '#94a2c7',
    500: '#657db0',
    950: '#000000',
  },
}
SCSS
$custom: #657db0;
$custom-light: #94a2c7;
$custom-dark: #000000;
JSON
{
  "hex": "#657db0",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 176
  },
  "hsl": {
    "h": 220.8,
    "s": 32.189,
    "l": 54.314
  },
  "oklch": {
    "l": 0.59183,
    "c": 0.08347,
    "h": 264.6
  },
  "luminance": 0.20569
}

Semantic roles & 50–950 ramp

primary
#657DB0
secondary
#C8BEA8
accent
#A75FC8
background
#F9F9FC
surface
#F2F2F8
border
#CCCCD1
text
#0D0F13
muted
#7E7E82

Preview Lab

Preview with #657DB0

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

Preview Lab → · Contrast checker → · Palette generator →

#657DB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva