#657AB3#657AB3

#657AB3 is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.7% C 0.091 H 268.1°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX#657AB3
RGBrgb(101, 122, 179)
HSLhsl(224, 34%, 55%)
HSVhsv(224, 44%, 70%)
CMYKcmyk(43.6%, 31.8%, 0%, 29.8%)
CIE-LABlab(51.77, 7.55, -32.58)
CIE-LCHlch(51.77, 33.45, 283.05°)
OKLaboklab(58.68% -0.003 -0.0913)
OKLCHoklch(58.68% 0.091 268.1)
XYZxyz(20.4605, 19.9393, 45.4097)
Luminance0.1994 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#657AB3 #B39E65
analogous
#65A1B3 #657AB3 #7765B3
triadic
#657AB3 #B3657A #7AB365
tetradic
#657AB3 #B365A1 #B39E65 #65B377
square
#657AB3 #B365A1 #B39E65 #65B377
split-complementary
#657AB3 #B37765 #A1B365
monochromatic
#34426A #485C93 #657AB3 #8E9DC7 #B7C1DB

Accessibility & contrast

On white

4.21
#657AB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.99
#657AB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AB3
4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##657AB3#FFFFFF#000000##000000
##657AB31.004.214.994.99
#FFFFFF4.211.0021.0021.00
#0000004.9921.001.001.00
##0000004.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#667FB5
Deuteranopia (green-blind)
#5E78B2
Tritanopia (blue-blind)
#4A868E
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #657ab3;
/* rgb */ color: rgb(101, 122, 179);
/* oklch */ color: oklch(58.7% 0.091 268.1);
Tailwind
colors: {
  custom: {
    50: '#94a0ca',
    500: '#657ab3',
    950: '#000000',
  },
}
SCSS
$custom: #657ab3;
$custom-light: #94a0ca;
$custom-dark: #000000;
JSON
{
  "hex": "#657ab3",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 179
  },
  "hsl": {
    "h": 223.846,
    "s": 33.913,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58679,
    "c": 0.09132,
    "h": 268.1
  },
  "luminance": 0.1994
}

Semantic roles & 50–950 ramp

primary
#657AB3
secondary
#CAC1A9
accent
#AD5ECA
background
#F9F9FC
surface
#F2F2F8
border
#CCCCD1
text
#0D0E13
muted
#7E7E82

Preview Lab

Preview with #657AB3

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

Preview Lab → · Contrast checker → · Palette generator →

#657AB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva