#28839E#28839E

#28839E is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 56.9% C 0.092 H 222.0°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX#28839E
RGBrgb(40, 131, 158)
HSLhsl(194, 60%, 39%)
HSVhsv(194, 75%, 62%)
CMYKcmyk(74.7%, 17.1%, 0%, 38%)
CIE-LABlab(50.86, -17.04, -22.03)
CIE-LCHlch(50.86, 27.85, 232.28°)
OKLaboklab(56.94% -0.0684 -0.0616)
OKLCHoklch(56.94% 0.092 222)
XYZxyz(15.1604, 19.1506, 35.2385)
Luminance0.1915 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28839E #9E4328
analogous
#289E7E #28839E #28489E
triadic
#28839E #9E2883 #839E28
tetradic
#28839E #7E289E #9E4328 #489E28
square
#28839E #7E289E #9E4328 #489E28
split-complementary
#28839E #9E2848 #9E7E28
monochromatic
#0F323C #1C5B6D #28839E #37AACC #68BFD9

Accessibility & contrast

On white

4.35
#28839E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.83
#28839E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28839E
4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28839E#FFFFFF#000000##000000
##28839E1.004.354.834.83
#FFFFFF4.351.0021.0021.00
#0000004.8321.001.001.00
##0000004.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#73809F
Deuteranopia (green-blind)
#63749E
Tritanopia (blue-blind)
#008B8C
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #28839e;
/* rgb */ color: rgb(40, 131, 158);
/* oklch */ color: oklch(56.9% 0.092 222.0);
Tailwind
colors: {
  custom: {
    50: '#74a7ba',
    500: '#28839e',
    950: '#000000',
  },
}
SCSS
$custom: #28839e;
$custom-light: #74a7ba;
$custom-dark: #000000;
JSON
{
  "hex": "#28839e",
  "rgb": {
    "r": 40,
    "g": 131,
    "b": 158
  },
  "hsl": {
    "h": 193.729,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.56944,
    "c": 0.09205,
    "h": 222
  },
  "luminance": 0.19152
}

Semantic roles & 50–950 ramp

primary
#28839E
secondary
#BF7863
accent
#6945E3
background
#F7FAFB
surface
#EEF4F6
border
#C9CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #28839E

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

Preview Lab → · Contrast checker → · Palette generator →

#28839E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva