#677DCB#677DCB

#677DCB is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.7% C 0.121 H 270.5°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX#677DCB
RGBrgb(103, 125, 203)
HSLhsl(227, 49%, 60%)
HSVhsv(227, 49%, 80%)
CMYKcmyk(49.3%, 38.4%, 0%, 20.4%)
CIE-LABlab(53.88, 13.52, -42.99)
CIE-LCHlch(53.88, 45.07, 287.45°)
OKLaboklab(60.72% 0.0012 -0.1215)
OKLCHoklch(60.72% 0.121 270.5)
XYZxyz(23.7032, 21.8611, 59.4589)
Luminance0.2186 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#677DCB #CBB567
analogous
#67AFCB #677DCB #8367CB
triadic
#677DCB #CB677D #7DCB67
tetradic
#677DCB #CB67AF #CBB567 #67CB83
square
#677DCB #CB67AF #CBB567 #67CB83
split-complementary
#677DCB #CB8367 #AFCB67
monochromatic
#2F4389 #3E59B6 #677DCB #95A4DB #C2CBEA

Accessibility & contrast

On white

3.91
#677DCB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.37
#677DCB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DCB
5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##677DCB#FFFFFF#000000##000000
##677DCB1.003.915.375.37
#FFFFFF3.911.0021.0021.00
#0000005.3721.001.001.00
##0000005.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F85CE
Deuteranopia (green-blind)
#557DC9
Tritanopia (blue-blind)
#3E8D9A
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #677dcb;
/* rgb */ color: rgb(103, 125, 203);
/* oklch */ color: oklch(60.7% 0.121 270.5);
Tailwind
colors: {
  custom: {
    50: '#98a2db',
    500: '#677dcb',
    950: '#000000',
  },
}
SCSS
$custom: #677dcb;
$custom-light: #98a2db;
$custom-dark: #000000;
JSON
{
  "hex": "#677dcb",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 203
  },
  "hsl": {
    "h": 226.8,
    "s": 49.02,
    "l": 60
  },
  "oklch": {
    "l": 0.60725,
    "c": 0.12148,
    "h": 270.5
  },
  "luminance": 0.21863
}

Semantic roles & 50–950 ramp

primary
#677DCB
secondary
#DAD2B4
accent
#BA4FD9
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0E0F15
muted
#7E7E83

Preview Lab

Preview with #677DCB

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

Preview Lab → · Contrast checker → · Palette generator →

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