#6478A3#6478A3

#6478A3 is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.4% C 0.071 H 265.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#6478A3
RGBrgb(100, 120, 163)
HSLhsl(221, 26%, 52%)
HSVhsv(221, 39%, 64%)
CMYKcmyk(38.7%, 26.4%, 0%, 36.1%)
CIE-LABlab(50.44, 3.83, -25.39)
CIE-LCHlch(50.44, 25.67, 278.57°)
OKLaboklab(57.39% -0.0062 -0.0706)
OKLCHoklch(57.39% 0.071 265)
XYZxyz(18.5808, 18.7857, 37.2902)
Luminance0.1879 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6478A3 #A38F64
analogous
#6498A3 #6478A3 #7064A3
triadic
#6478A3 #A36478 #78A364
tetradic
#6478A3 #A36498 #A38F64 #64A370
square
#6478A3 #A36498 #A38F64 #64A370
split-complementary
#6478A3 #A37064 #98A364
monochromatic
#344058 #4B5C7F #6478A3 #8A99BA #B1BBD1

Accessibility & contrast

On white

4.41
#6478A3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#6478A3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6478A3
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6478A3#FFFFFF#000000##000000
##6478A31.004.414.764.76
#FFFFFF4.411.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#697BA5
Deuteranopia (green-blind)
#6375A2
Tritanopia (blue-blind)
#508187
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #6478a3;
/* rgb */ color: rgb(100, 120, 163);
/* oklch */ color: oklch(57.4% 0.071 265.0);
Tailwind
colors: {
  custom: {
    50: '#929ebe',
    500: '#6478a3',
    950: '#000000',
  },
}
SCSS
$custom: #6478a3;
$custom-light: #929ebe;
$custom-dark: #000000;
JSON
{
  "hex": "#6478a3",
  "rgb": {
    "r": 100,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 220.952,
    "s": 25.506,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57393,
    "c": 0.07084,
    "h": 265
  },
  "luminance": 0.18787
}

Semantic roles & 50–950 ramp

primary
#6478A3
secondary
#BFB6A4
accent
#A566C2
background
#F9F9FB
surface
#F1F2F6
border
#CBCCD0
text
#0D0E12
muted
#7E7E81

Preview Lab

Preview with #6478A3

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

Preview Lab → · Contrast checker → · Palette generator →

#6478A3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva