#28558C#28558C

#28558C is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.6% C 0.103 H 254.8°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX#28558C
RGBrgb(40, 85, 140)
HSLhsl(213, 56%, 35%)
HSVhsv(213, 71%, 55%)
CMYKcmyk(71.4%, 39.3%, 0%, 45.1%)
CIE-LABlab(35.68, 3.93, -35.06)
CIE-LCHlch(35.68, 35.28, 276.40°)
OKLaboklab(44.63% -0.027 -0.0998)
OKLCHoklch(44.63% 0.103 254.8)
XYZxyz(8.8555, 8.8406, 26.0456)
Luminance0.0884 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28558C #8C5F28
analogous
#28878C #28558C #2D288C
triadic
#28558C #8C2855 #558C28
tetradic
#28558C #8C2887 #8C5F28 #288C2D
square
#28558C #8C2887 #8C5F28 #288C2D
split-complementary
#28558C #8C2D28 #878C28
monochromatic
#0D1B2D #1A385C #28558C #3672BC #5E91D1

Accessibility & contrast

On white

7.59
#28558C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.77
#28558C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28558C
7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28558C#FFFFFF#000000##FFFFFF
##28558C1.007.592.777.59
#FFFFFF7.591.0021.001.00
#0000002.7721.001.0021.00
##FFFFFF7.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C598E
Deuteranopia (green-blind)
#2D508B
Tritanopia (blue-blind)
#006269
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #28558c;
/* rgb */ color: rgb(40, 85, 140);
/* oklch */ color: oklch(44.6% 0.103 254.8);
Tailwind
colors: {
  custom: {
    50: '#6f84ae',
    500: '#28558c',
    950: '#000000',
  },
}
SCSS
$custom: #28558c;
$custom-light: #6f84ae;
$custom-dark: #000000;
JSON
{
  "hex": "#28558c",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 140
  },
  "hsl": {
    "h": 213,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.44626,
    "c": 0.10341,
    "h": 254.8
  },
  "luminance": 0.08842
}

Semantic roles & 50–950 ramp

primary
#28558C
secondary
#B68D5A
accent
#9B49DF
background
#F7F8FA
surface
#EDEFF4
border
#C8CACE
text
#080A10
muted
#7B7C7F

Preview Lab

Preview with #28558C

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

Preview Lab → · Contrast checker → · Palette generator →

#28558C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva