#677BD4#677BD4

#677BD4 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.8% C 0.137 H 272.2°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX#677BD4
RGBrgb(103, 123, 212)
HSLhsl(229, 56%, 62%)
HSVhsv(229, 51%, 83%)
CMYKcmyk(51.4%, 42%, 0%, 16.9%)
CIE-LABlab(53.82, 17.52, -48.19)
CIE-LCHlch(53.82, 51.28, 289.98°)
OKLaboklab(60.83% 0.0053 -0.1367)
OKLCHoklch(60.83% 0.137 272.2)
XYZxyz(24.5563, 21.8013, 65.1887)
Luminance0.2180 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#677BD4 #D4C067
analogous
#67B2D4 #677BD4 #8A67D4
triadic
#677BD4 #D4677B #7BD467
tetradic
#677BD4 #D467B2 #D4C067 #67D48A
square
#677BD4 #D467B2 #D4C067 #67D48A
split-complementary
#677BD4 #D48A67 #B2D467
monochromatic
#2A3E96 #3852C6 #677BD4 #97A4E1 #C6CEEF

Accessibility & contrast

On white

3.92
#677BD4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.36
#677BD4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BD4
5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##677BD4#FFFFFF#000000##000000
##677BD41.003.925.365.36
#FFFFFF3.921.0021.0021.00
#0000005.3621.001.001.00
##0000005.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5786D7
Deuteranopia (green-blind)
#4B7CD2
Tritanopia (blue-blind)
#368E9D
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #677bd4;
/* rgb */ color: rgb(103, 123, 212);
/* oklch */ color: oklch(60.8% 0.137 272.2);
Tailwind
colors: {
  custom: {
    50: '#99a0e2',
    500: '#677bd4',
    950: '#000000',
  },
}
SCSS
$custom: #677bd4;
$custom-light: #99a0e2;
$custom-dark: #000000;
JSON
{
  "hex": "#677bd4",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 212
  },
  "hsl": {
    "h": 228.991,
    "s": 55.897,
    "l": 61.765
  },
  "oklch": {
    "l": 0.60829,
    "c": 0.13679,
    "h": 272.2
  },
  "luminance": 0.21803
}

Semantic roles & 50–950 ramp

primary
#677BD4
secondary
#E0D8B7
accent
#A622C3
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0E0E15
muted
#7E7E83

Preview Lab

Preview with #677BD4

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

Preview Lab → · Contrast checker → · Palette generator →

#677BD4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva