#28688C#28688C

#28688C is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 49.3% C 0.086 H 237.0°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX#28688C
RGBrgb(40, 104, 140)
HSLhsl(202, 56%, 35%)
HSVhsv(202, 71%, 55%)
CMYKcmyk(71.4%, 25.7%, 0%, 45.1%)
CIE-LABlab(41.60, -7.93, -25.73)
CIE-LCHlch(41.60, 26.93, 252.87°)
OKLaboklab(49.29% -0.047 -0.0724)
OKLCHoklch(49.29% 0.086 237)
XYZxyz(10.5572, 12.2440, 26.6128)
Luminance0.1225 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28688C #8C4C28
analogous
#288C7E #28688C #28368C
triadic
#28688C #8C2868 #688C28
tetradic
#28688C #7E288C #8C4C28 #368C28
square
#28688C #7E288C #8C4C28 #368C28
split-complementary
#28688C #8C2836 #8C7E28
monochromatic
#0D212D #1A455C #28688C #368BBC #5EA7D1

Accessibility & contrast

On white

6.09
#28688C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.45
#28688C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28688C
6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28688C#FFFFFF#000000##FFFFFF
##28688C1.006.093.456.09
#FFFFFF6.091.0021.001.00
#0000003.4521.001.0021.00
##FFFFFF6.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#57688E
Deuteranopia (green-blind)
#495E8B
Tritanopia (blue-blind)
#007174
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #28688c;
/* rgb */ color: rgb(40, 104, 140);
/* oklch */ color: oklch(49.3% 0.086 237.0);
Tailwind
colors: {
  custom: {
    50: '#6f93ad',
    500: '#28688c',
    950: '#000000',
  },
}
SCSS
$custom: #28688c;
$custom-light: #6f93ad;
$custom-dark: #000000;
JSON
{
  "hex": "#28688c",
  "rgb": {
    "r": 40,
    "g": 104,
    "b": 140
  },
  "hsl": {
    "h": 201.6,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.49292,
    "c": 0.08635,
    "h": 237
  },
  "luminance": 0.12245
}

Semantic roles & 50–950 ramp

primary
#28688C
secondary
#B67B5A
accent
#7F49DF
background
#F7F9FA
surface
#EDF1F4
border
#C8CBCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #28688C

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

Preview Lab → · Contrast checker → · Palette generator →

#28688C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva