#657CBA#657CBA

#657CBA is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.5% C 0.099 H 267.8°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX#657CBA
RGBrgb(101, 124, 186)
HSLhsl(224, 38%, 56%)
HSVhsv(224, 46%, 73%)
CMYKcmyk(45.7%, 33.3%, 0%, 27.1%)
CIE-LABlab(52.65, 8.44, -35.23)
CIE-LCHlch(52.65, 36.23, 283.48°)
OKLaboklab(59.47% -0.0037 -0.0989)
OKLCHoklch(59.47% 0.099 267.8)
XYZxyz(21.4346, 20.7259, 49.3159)
Luminance0.2073 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#657CBA #BAA365
analogous
#65A7BA #657CBA #7965BA
triadic
#657CBA #BA657C #7CBA65
tetradic
#657CBA #BA65A7 #BAA365 #65BA79
square
#657CBA #BA65A7 #BAA365 #65BA79
split-complementary
#657CBA #BA7965 #A7BA65
monochromatic
#334472 #465D9C #657CBA #8FA0CD #BAC4E0

Accessibility & contrast

On white

4.08
#657CBA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.15
#657CBA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CBA
5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##657CBA#FFFFFF#000000##000000
##657CBA1.004.085.155.15
#FFFFFF4.081.0021.0021.00
#0000005.1521.001.001.00
##0000005.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6582BD
Deuteranopia (green-blind)
#5D7AB9
Tritanopia (blue-blind)
#458992
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #657cba;
/* rgb */ color: rgb(101, 124, 186);
/* oklch */ color: oklch(59.5% 0.099 267.8);
Tailwind
colors: {
  custom: {
    50: '#95a1cf',
    500: '#657cba',
    950: '#000000',
  },
}
SCSS
$custom: #657cba;
$custom-light: #95a1cf;
$custom-dark: #000000;
JSON
{
  "hex": "#657cba",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 186
  },
  "hsl": {
    "h": 223.765,
    "s": 38.117,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59468,
    "c": 0.09901,
    "h": 267.8
  },
  "luminance": 0.20727
}

Semantic roles & 50–950 ramp

primary
#657CBA
secondary
#CFC5AC
accent
#AF5ACE
background
#F9F9FC
surface
#F2F2F9
border
#CCCCD2
text
#0E0F14
muted
#7E7E82

Preview Lab

Preview with #657CBA

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

Preview Lab → · Contrast checker → · Palette generator →

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