#28557A#28557A

#28557A is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.5% C 0.079 H 245.8°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX#28557A
RGBrgb(40, 85, 122)
HSLhsl(207, 51%, 32%)
HSVhsv(207, 67%, 48%)
CMYKcmyk(67.2%, 30.3%, 0%, 52.2%)
CIE-LABlab(34.71, -2.82, -25.54)
CIE-LCHlch(34.71, 25.69, 263.69°)
OKLaboklab(43.55% -0.0323 -0.072)
OKLCHoklch(43.55% 0.079 245.8)
XYZxyz(7.6351, 8.3525, 19.6184)
Luminance0.0835 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28557A #7A4D28
analogous
#287A76 #28557A #282C7A
triadic
#28557A #7A2855 #557A28
tetradic
#28557A #76287A #7A4D28 #2C7A28
square
#28557A #76287A #7A4D28 #2C7A28
split-complementary
#28557A #7A282C #7A7628
monochromatic
#0A151E #19354C #28557A #3775A8 #5594C7

Accessibility & contrast

On white

7.86
#28557A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#28557A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28557A
7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28557A#FFFFFF#000000##FFFFFF
##28557A1.007.862.677.86
#FFFFFF7.861.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#45567C
Deuteranopia (green-blind)
#3A4E79
Tritanopia (blue-blind)
#005E62
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #28557a;
/* rgb */ color: rgb(40, 85, 122);
/* oklch */ color: oklch(43.5% 0.079 245.8);
Tailwind
colors: {
  custom: {
    50: '#6b84a0',
    500: '#28557a',
    950: '#000000',
  },
}
SCSS
$custom: #28557a;
$custom-light: #6b84a0;
$custom-dark: #000000;
JSON
{
  "hex": "#28557a",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 122
  },
  "hsl": {
    "h": 207.073,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.43549,
    "c": 0.07896,
    "h": 245.8
  },
  "luminance": 0.08353
}

Semantic roles & 50–950 ramp

primary
#28557A
secondary
#AC7B52
accent
#8D4EDA
background
#F6F8F9
surface
#ECEFF2
border
#C7CACC
text
#070A0E
muted
#7A7C7E

Preview Lab

Preview with #28557A

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

Preview Lab → · Contrast checker → · Palette generator →

#28557A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva