#28647D#28647D

#28647D is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.5% C 0.073 H 228.7°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX#28647D
RGBrgb(40, 100, 125)
HSLhsl(198, 52%, 32%)
HSVhsv(198, 68%, 49%)
CMYKcmyk(68%, 20%, 0%, 51%)
CIE-LABlab(39.66, -10.89, -19.68)
CIE-LCHlch(39.66, 22.49, 241.05°)
OKLaboklab(47.52% -0.0483 -0.0551)
OKLCHoklch(47.52% 0.073 228.7)
XYZxyz(9.1324, 11.0452, 21.0487)
Luminance0.1105 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28647D #7D4128
analogous
#287D6C #28647D #283A7D
triadic
#28647D #7D2864 #647D28
tetradic
#28647D #6C287D #7D4128 #3A7D28
square
#28647D #6C287D #7D4128 #3A7D28
split-complementary
#28647D #7D283A #7D6C28
monochromatic
#0A1A20 #193F4F #28647D #3789AB #56A7C9

Accessibility & contrast

On white

6.54
#28647D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#28647D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28647D
6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28647D#FFFFFF#000000##FFFFFF
##28647D1.006.543.216.54
#FFFFFF6.541.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#57627E
Deuteranopia (green-blind)
#4B5A7D
Tritanopia (blue-blind)
#006B6C
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #28647d;
/* rgb */ color: rgb(40, 100, 125);
/* oklch */ color: oklch(47.5% 0.073 228.7);
Tailwind
colors: {
  custom: {
    50: '#6c90a2',
    500: '#28647d',
    950: '#000000',
  },
}
SCSS
$custom: #28647d;
$custom-light: #6c90a2;
$custom-dark: #000000;
JSON
{
  "hex": "#28647d",
  "rgb": {
    "r": 40,
    "g": 100,
    "b": 125
  },
  "hsl": {
    "h": 197.647,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.47523,
    "c": 0.07324,
    "h": 228.7
  },
  "luminance": 0.11046
}

Semantic roles & 50–950 ramp

primary
#28647D
secondary
#AE6E53
accent
#774DDB
background
#F6F8FA
surface
#ECF0F3
border
#C7CBCD
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #28647D

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

Preview Lab → · Contrast checker → · Palette generator →

#28647D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva