#2398B9#2398B9

#2398B9 is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.3% C 0.109 H 222.2°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX#2398B9
RGBrgb(35, 152, 185)
HSLhsl(193, 68%, 43%)
HSVhsv(193, 81%, 73%)
CMYKcmyk(81.1%, 17.8%, 0%, 27.5%)
CIE-LABlab(58.33, -19.70, -26.01)
CIE-LCHlch(58.33, 32.63, 232.86°)
OKLaboklab(63.27% -0.0804 -0.0729)
OKLCHoklch(63.27% 0.109 222.2)
XYZxyz(20.6746, 26.3140, 49.8790)
Luminance0.2632 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2398B9 #B94423
analogous
#23B98F #2398B9 #234DB9
triadic
#2398B9 #B92398 #98B923
tetradic
#2398B9 #8F23B9 #B94423 #4DB923
square
#2398B9 #8F23B9 #B94423 #4DB923
split-complementary
#2398B9 #B9234D #B98F23
monochromatic
#104352 #196E86 #2398B9 #3FB8DB #72CBE4

Accessibility & contrast

On white

3.35
#2398B9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.26
#2398B9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2398B9
6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2398B9#FFFFFF#000000##000000
##2398B91.003.356.266.26
#FFFFFF3.351.0021.0021.00
#0000006.2621.001.001.00
##0000006.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8594BB
Deuteranopia (green-blind)
#7186B9
Tritanopia (blue-blind)
#00A2A3
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #2398b9;
/* rgb */ color: rgb(35, 152, 185);
/* oklch */ color: oklch(63.3% 0.109 222.2);
Tailwind
colors: {
  custom: {
    50: '#78b6ce',
    500: '#2398b9',
    950: '#000000',
  },
}
SCSS
$custom: #2398b9;
$custom-light: #78b6ce;
$custom-dark: #000000;
JSON
{
  "hex": "#2398b9",
  "rgb": {
    "r": 35,
    "g": 152,
    "b": 185
  },
  "hsl": {
    "h": 193.2,
    "s": 68.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.6327,
    "c": 0.10856,
    "h": 222.2
  },
  "luminance": 0.26317
}

Semantic roles & 50–950 ramp

primary
#2398B9
secondary
#CB816D
accent
#633DEB
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #2398B9

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

Preview Lab → · Contrast checker → · Palette generator →

#2398B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva