#647FA3#647FA3

#647FA3 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 59.0% C 0.064 H 255.8°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#647FA3
RGBrgb(100, 127, 163)
HSLhsl(214, 26%, 52%)
HSVhsv(214, 39%, 64%)
CMYKcmyk(38.7%, 22.1%, 0%, 36.1%)
CIE-LABlab(52.43, -0.31, -22.30)
CIE-LCHlch(52.43, 22.31, 269.21°)
OKLaboklab(58.96% -0.0157 -0.0618)
OKLCHoklch(58.96% 0.064 255.8)
XYZxyz(19.4537, 20.5314, 37.5811)
Luminance0.2053 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647FA3 #A38864
analogous
#649FA3 #647FA3 #6964A3
triadic
#647FA3 #A3647F #7FA364
tetradic
#647FA3 #A3649F #A38864 #64A369
square
#647FA3 #A3649F #A38864 #64A369
split-complementary
#647FA3 #A36964 #9FA364
monochromatic
#344458 #4B617F #647FA3 #8A9FBA #B1BED1

Accessibility & contrast

On white

4.11
#647FA3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.11
#647FA3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FA3
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647FA3#FFFFFF#000000##000000
##647FA31.004.115.115.11
#FFFFFF4.111.0021.0021.00
#0000005.1121.001.001.00
##0000005.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7281A5
Deuteranopia (green-blind)
#6B7AA2
Tritanopia (blue-blind)
#4F878B
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #647fa3;
/* rgb */ color: rgb(100, 127, 163);
/* oklch */ color: oklch(59.0% 0.064 255.8);
Tailwind
colors: {
  custom: {
    50: '#92a4be',
    500: '#647fa3',
    950: '#000000',
  },
}
SCSS
$custom: #647fa3;
$custom-light: #92a4be;
$custom-dark: #000000;
JSON
{
  "hex": "#647fa3",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 163
  },
  "hsl": {
    "h": 214.286,
    "s": 25.506,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58955,
    "c": 0.06375,
    "h": 255.8
  },
  "luminance": 0.20532
}

Semantic roles & 50–950 ramp

primary
#647FA3
secondary
#BFB3A4
accent
#9A66C2
background
#F9FAFB
surface
#F1F3F6
border
#CBCDD0
text
#0D0F12
muted
#7E7F81

Preview Lab

Preview with #647FA3

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

Preview Lab → · Contrast checker → · Palette generator →

#647FA3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva