#28648C#28648C

#28648C is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.3% C 0.089 H 241.3°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX#28648C
RGBrgb(40, 100, 140)
HSLhsl(204, 56%, 35%)
HSVhsv(204, 71%, 55%)
CMYKcmyk(71.4%, 28.6%, 0%, 45.1%)
CIE-LABlab(40.34, -5.52, -27.70)
CIE-LCHlch(40.34, 28.25, 258.72°)
OKLaboklab(48.29% -0.0428 -0.0782)
OKLCHoklch(48.29% 0.089 241.3)
XYZxyz(10.1640, 11.4578, 26.4818)
Luminance0.1146 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28648C #8C5028
analogous
#288C82 #28648C #28328C
triadic
#28648C #8C2864 #648C28
tetradic
#28648C #82288C #8C5028 #328C28
square
#28648C #82288C #8C5028 #328C28
split-complementary
#28648C #8C2832 #8C8228
monochromatic
#0D202D #1A425C #28648C #3686BC #5EA3D1

Accessibility & contrast

On white

6.38
#28648C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.29
#28648C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28648C
6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28648C#FFFFFF#000000##FFFFFF
##28648C1.006.383.296.38
#FFFFFF6.381.0021.001.00
#0000003.2921.001.0021.00
##FFFFFF6.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#52648E
Deuteranopia (green-blind)
#445B8B
Tritanopia (blue-blind)
#006E72
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #28648c;
/* rgb */ color: rgb(40, 100, 140);
/* oklch */ color: oklch(48.3% 0.089 241.3);
Tailwind
colors: {
  custom: {
    50: '#6f90ae',
    500: '#28648c',
    950: '#000000',
  },
}
SCSS
$custom: #28648c;
$custom-light: #6f90ae;
$custom-dark: #000000;
JSON
{
  "hex": "#28648c",
  "rgb": {
    "r": 40,
    "g": 100,
    "b": 140
  },
  "hsl": {
    "h": 204,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.48293,
    "c": 0.0891,
    "h": 241.3
  },
  "luminance": 0.11459
}

Semantic roles & 50–950 ramp

primary
#28648C
secondary
#B67F5A
accent
#8549DF
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#080C10
muted
#7B7D7F

Preview Lab

Preview with #28648C

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

Preview Lab → · Contrast checker → · Palette generator →

#28648C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva