#677AB5#677AB5

#677AB5 is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.9% C 0.094 H 269.8°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX#677AB5
RGBrgb(103, 122, 181)
HSLhsl(225, 35%, 56%)
HSVhsv(225, 43%, 71%)
CMYKcmyk(43.1%, 32.6%, 0%, 29%)
CIE-LABlab(51.99, 8.68, -33.38)
CIE-LCHlch(51.99, 34.49, 284.57°)
OKLaboklab(58.92% -0.0004 -0.0935)
OKLCHoklch(58.92% 0.094 269.8)
XYZxyz(20.8910, 20.1377, 46.4933)
Luminance0.2014 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#677AB5 #B5A267
analogous
#67A1B5 #677AB5 #7B67B5
triadic
#677AB5 #B5677A #7AB567
tetradic
#677AB5 #B567A1 #B5A267 #67B57B
square
#677AB5 #B567A1 #B5A267 #67B57B
split-complementary
#677AB5 #B57B67 #A1B567
monochromatic
#35426D #495C96 #677AB5 #909EC9 #B9C2DD

Accessibility & contrast

On white

4.18
#677AB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.03
#677AB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677AB5
5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##677AB5#FFFFFF#000000##000000
##677AB51.004.185.035.03
#FFFFFF4.181.0021.0021.00
#0000005.0321.001.001.00
##0000005.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6580B7
Deuteranopia (green-blind)
#5E79B4
Tritanopia (blue-blind)
#4C868F
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #677ab5;
/* rgb */ color: rgb(103, 122, 181);
/* oklch */ color: oklch(58.9% 0.094 269.8);
Tailwind
colors: {
  custom: {
    50: '#96a0cb',
    500: '#677ab5',
    950: '#000000',
  },
}
SCSS
$custom: #677ab5;
$custom-light: #96a0cb;
$custom-dark: #000000;
JSON
{
  "hex": "#677ab5",
  "rgb": {
    "r": 103,
    "g": 122,
    "b": 181
  },
  "hsl": {
    "h": 225.385,
    "s": 34.513,
    "l": 55.686
  },
  "oklch": {
    "l": 0.58917,
    "c": 0.09353,
    "h": 269.8
  },
  "luminance": 0.20139
}

Semantic roles & 50–950 ramp

primary
#677AB5
secondary
#CCC4AC
accent
#B05DCB
background
#F9F9FC
surface
#F2F2F8
border
#CCCCD1
text
#0E0E13
muted
#7E7E82

Preview Lab

Preview with #677AB5

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

Preview Lab → · Contrast checker → · Palette generator →

#677AB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva