#28758C#28758C

#28758C is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.6% C 0.081 H 221.6°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX#28758C
RGBrgb(40, 117, 140)
HSLhsl(194, 56%, 35%)
HSVhsv(194, 71%, 55%)
CMYKcmyk(71.4%, 16.4%, 0%, 45.1%)
CIE-LABlab(45.72, -15.44, -19.36)
CIE-LCHlch(45.72, 24.76, 231.42°)
OKLaboklab(52.58% -0.061 -0.0541)
OKLCHoklch(52.58% 0.081 221.6)
XYZxyz(11.9680, 15.0658, 27.0831)
Luminance0.1507 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28758C #8C3F28
analogous
#288C71 #28758C #28438C
triadic
#28758C #8C2875 #758C28
tetradic
#28758C #71288C #8C3F28 #438C28
square
#28758C #71288C #8C3F28 #438C28
split-complementary
#28758C #8C2843 #8C7128
monochromatic
#0D252D #1A4D5C #28758C #369DBC #5EB6D1

Accessibility & contrast

On white

5.23
#28758C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.01
#28758C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28758C
5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28758C#FFFFFF#000000##FFFFFF
##28758C1.005.234.015.23
#FFFFFF5.231.0021.001.00
#0000004.0121.001.0021.00
##FFFFFF5.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#67728D
Deuteranopia (green-blind)
#5A688C
Tritanopia (blue-blind)
#007C7C
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #28758c;
/* rgb */ color: rgb(40, 117, 140);
/* oklch */ color: oklch(52.6% 0.081 221.6);
Tailwind
colors: {
  custom: {
    50: '#709dad',
    500: '#28758c',
    950: '#000000',
  },
}
SCSS
$custom: #28758c;
$custom-light: #709dad;
$custom-dark: #000000;
JSON
{
  "hex": "#28758c",
  "rgb": {
    "r": 40,
    "g": 117,
    "b": 140
  },
  "hsl": {
    "h": 193.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.52583,
    "c": 0.08149,
    "h": 221.6
  },
  "luminance": 0.15067
}

Semantic roles & 50–950 ramp

primary
#28758C
secondary
#B66F5A
accent
#6B49DF
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F

Preview Lab

Preview with #28758C

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

Preview Lab → · Contrast checker → · Palette generator →

#28758C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva