#2899B9#2899B9

#2899B9 is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.6% C 0.107 H 221.8°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX#2899B9
RGBrgb(40, 153, 185)
HSLhsl(193, 64%, 44%)
HSVhsv(193, 78%, 73%)
CMYKcmyk(78.4%, 17.3%, 0%, 27.5%)
CIE-LABlab(58.73, -19.73, -25.40)
CIE-LCHlch(58.73, 32.17, 232.16°)
OKLaboklab(63.61% -0.0796 -0.0711)
OKLCHoklch(63.61% 0.107 221.8)
XYZxyz(21.0196, 26.7338, 49.9418)
Luminance0.2674 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2899B9 #B94828
analogous
#28B991 #2899B9 #2851B9
triadic
#2899B9 #B92899 #99B928
tetradic
#2899B9 #9128B9 #B94828 #51B928
square
#2899B9 #9128B9 #B94828 #51B928
split-complementary
#2899B9 #B92851 #B99128
monochromatic
#124654 #1D6F87 #2899B9 #47B7D7 #79CBE2

Accessibility & contrast

On white

3.31
#2899B9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.35
#2899B9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2899B9
6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2899B9#FFFFFF#000000##000000
##2899B91.003.316.356.35
#FFFFFF3.311.0021.0021.00
#0000006.3521.001.001.00
##0000006.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8695BB
Deuteranopia (green-blind)
#7387B9
Tritanopia (blue-blind)
#00A3A3
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #2899b9;
/* rgb */ color: rgb(40, 153, 185);
/* oklch */ color: oklch(63.6% 0.107 221.8);
Tailwind
colors: {
  custom: {
    50: '#7ab7ce',
    500: '#2899b9',
    950: '#000000',
  },
}
SCSS
$custom: #2899b9;
$custom-light: #7ab7ce;
$custom-dark: #000000;
JSON
{
  "hex": "#2899b9",
  "rgb": {
    "r": 40,
    "g": 153,
    "b": 185
  },
  "hsl": {
    "h": 193.241,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.63611,
    "c": 0.10676,
    "h": 221.8
  },
  "luminance": 0.26736
}

Semantic roles & 50–950 ramp

primary
#2899B9
secondary
#CA8673
accent
#6540E7
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #2899B9

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

Preview Lab → · Contrast checker → · Palette generator →

#2899B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva