#677DCD#677DCD

#677DCD is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.8% C 0.124 H 270.7°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX#677DCD
RGBrgb(103, 125, 205)
HSLhsl(227, 50%, 60%)
HSVhsv(227, 50%, 80%)
CMYKcmyk(49.8%, 39%, 0%, 19.6%)
CIE-LABlab(53.98, 14.13, -43.97)
CIE-LCHlch(53.98, 46.18, 287.82°)
OKLaboklab(60.84% 0.0016 -0.1243)
OKLCHoklch(60.84% 0.124 270.7)
XYZxyz(23.9430, 21.9571, 60.7223)
Luminance0.2196 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#677DCD #CDB767
analogous
#67B0CD #677DCD #8467CD
triadic
#677DCD #CD677D #7DCD67
tetradic
#677DCD #CD67B0 #CDB767 #67CD84
square
#677DCD #CD67B0 #CDB767 #67CD84
split-complementary
#677DCD #CD8467 #B0CD67
monochromatic
#2E428C #3D58BA #677DCD #95A4DC #C3CCEB

Accessibility & contrast

On white

3.89
#677DCD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.39
#677DCD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DCD
5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##677DCD#FFFFFF#000000##000000
##677DCD1.003.895.395.39
#FFFFFF3.891.0021.0021.00
#0000005.3921.001.001.00
##0000005.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E86D0
Deuteranopia (green-blind)
#537DCB
Tritanopia (blue-blind)
#3C8E9B
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #677dcd;
/* rgb */ color: rgb(103, 125, 205);
/* oklch */ color: oklch(60.8% 0.124 270.7);
Tailwind
colors: {
  custom: {
    50: '#98a2dc',
    500: '#677dcd',
    950: '#000000',
  },
}
SCSS
$custom: #677dcd;
$custom-light: #98a2dc;
$custom-dark: #000000;
JSON
{
  "hex": "#677dcd",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 205
  },
  "hsl": {
    "h": 227.059,
    "s": 50.495,
    "l": 60.392
  },
  "oklch": {
    "l": 0.60837,
    "c": 0.12432,
    "h": 270.7
  },
  "luminance": 0.21959
}

Semantic roles & 50–950 ramp

primary
#677DCD
secondary
#DBD3B4
accent
#9D28BE
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0E0F15
muted
#7E7E83

Preview Lab

Preview with #677DCD

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

Preview Lab → · Contrast checker → · Palette generator →

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