#647ABD#647ABD

#647ABD is a mid, moderate blue. Relative luminance 0.203; OKLCH L 59.1% C 0.106 H 269.2°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX#647ABD
RGBrgb(100, 122, 189)
HSLhsl(225, 40%, 57%)
HSVhsv(225, 47%, 74%)
CMYKcmyk(47.1%, 35.4%, 0%, 25.9%)
CIE-LABlab(52.18, 10.30, -37.70)
CIE-LCHlch(52.18, 39.08, 285.29°)
OKLaboklab(59.13% -0.0015 -0.1061)
OKLCHoklch(59.13% 0.106 269.2)
XYZxyz(21.3974, 20.3012, 50.9253)
Luminance0.2030 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647ABD #BDA764
analogous
#64A6BD #647ABD #7B64BD
triadic
#647ABD #BD647A #7ABD64
tetradic
#647ABD #BD64A6 #BDA764 #64BD7B
square
#647ABD #BD64A6 #BDA764 #64BD7B
split-complementary
#647ABD #BD7B64 #A6BD64
monochromatic
#324275 #445BA0 #647ABD #8F9FCF #BAC4E2

Accessibility & contrast

On white

4.15
#647ABD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.06
#647ABD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ABD
5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647ABD#FFFFFF#000000##000000
##647ABD1.004.155.065.06
#FFFFFF4.151.0021.0021.00
#0000005.0621.001.001.00
##0000005.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6181C0
Deuteranopia (green-blind)
#5879BB
Tritanopia (blue-blind)
#428893
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #647abd;
/* rgb */ color: rgb(100, 122, 189);
/* oklch */ color: oklch(59.1% 0.106 269.2);
Tailwind
colors: {
  custom: {
    50: '#95a0d1',
    500: '#647abd',
    950: '#000000',
  },
}
SCSS
$custom: #647abd;
$custom-light: #95a0d1;
$custom-dark: #000000;
JSON
{
  "hex": "#647abd",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 189
  },
  "hsl": {
    "h": 225.169,
    "s": 40.271,
    "l": 56.667
  },
  "oklch": {
    "l": 0.59133,
    "c": 0.10614,
    "h": 269.2
  },
  "luminance": 0.20303
}

Semantic roles & 50–950 ramp

primary
#647ABD
secondary
#D1C8AC
accent
#B258D0
background
#F9F9FC
surface
#F2F2F9
border
#CCCCD2
text
#0E0E14
muted
#7E7E82

Preview Lab

Preview with #647ABD

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

Preview Lab → · Contrast checker → · Palette generator →

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