#28608B#28608B

#28608B is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.2% C 0.091 H 244.8°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX#28608B
RGBrgb(40, 96, 139)
HSLhsl(206, 55%, 35%)
HSVhsv(206, 71%, 55%)
CMYKcmyk(71.2%, 30.9%, 0%, 45.5%)
CIE-LABlab(39.04, -3.43, -29.14)
CIE-LCHlch(39.04, 29.34, 263.28°)
OKLaboklab(47.25% -0.0388 -0.0824)
OKLCHoklch(47.25% 0.091 244.8)
XYZxyz(9.7164, 10.6799, 25.9704)
Luminance0.1068 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28608B #8B5328
analogous
#288B85 #28608B #282E8B
triadic
#28608B #8B2860 #608B28
tetradic
#28608B #85288B #8B5328 #2E8B28
square
#28608B #85288B #8B5328 #2E8B28
split-complementary
#28608B #8B282E #8B8528
monochromatic
#0D1E2C #1A3F5B #28608B #3681BB #5D9ED0

Accessibility & contrast

On white

6.70
#28608B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#28608B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28608B
6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28608B#FFFFFF#000000##FFFFFF
##28608B1.006.703.146.70
#FFFFFF6.701.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D618D
Deuteranopia (green-blind)
#3F588A
Tritanopia (blue-blind)
#006A6F
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #28608b;
/* rgb */ color: rgb(40, 96, 139);
/* oklch */ color: oklch(47.2% 0.091 244.8);
Tailwind
colors: {
  custom: {
    50: '#6e8dad',
    500: '#28608b',
    950: '#000000',
  },
}
SCSS
$custom: #28608b;
$custom-light: #6e8dad;
$custom-dark: #000000;
JSON
{
  "hex": "#28608b",
  "rgb": {
    "r": 40,
    "g": 96,
    "b": 139
  },
  "hsl": {
    "h": 206.061,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.47245,
    "c": 0.09108,
    "h": 244.8
  },
  "luminance": 0.10681
}

Semantic roles & 50–950 ramp

primary
#28608B
secondary
#B68159
accent
#8A49DF
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#080C10
muted
#7B7D7F

Preview Lab

Preview with #28608B

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

Preview Lab → · Contrast checker → · Palette generator →

#28608B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva