#23739C#23739C

#23739C is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.7% C 0.099 H 235.9°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#23739C
RGBrgb(35, 115, 156)
HSLhsl(200, 63%, 37%)
HSVhsv(200, 78%, 61%)
CMYKcmyk(77.6%, 26.3%, 0%, 38.8%)
CIE-LABlab(45.66, -9.33, -28.94)
CIE-LCHlch(45.66, 30.41, 252.12°)
OKLaboklab(52.72% -0.0553 -0.0816)
OKLCHoklch(52.72% 0.099 235.9)
XYZxyz(12.8222, 15.0176, 33.6689)
Luminance0.1502 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#23739C #9C4C23
analogous
#239C89 #23739C #23369C
triadic
#23739C #9C2373 #739C23
tetradic
#23739C #89239C #9C4C23 #369C23
square
#23739C #89239C #9C4C23 #369C23
split-complementary
#23739C #9C2336 #9C8923
monochromatic
#0D2938 #184E6A #23739C #2E98CE #5EB1DB

Accessibility & contrast

On white

5.25
#23739C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.00
#23739C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #23739C
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##23739C#FFFFFF#000000##FFFFFF
##23739C1.005.254.005.25
#FFFFFF5.251.0021.001.00
#0000004.0021.001.0021.00
##FFFFFF5.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F729E
Deuteranopia (green-blind)
#4F679B
Tritanopia (blue-blind)
#007E81
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #23739c;
/* rgb */ color: rgb(35, 115, 156);
/* oklch */ color: oklch(52.7% 0.099 235.9);
Tailwind
colors: {
  custom: {
    50: '#719bb9',
    500: '#23739c',
    950: '#000000',
  },
}
SCSS
$custom: #23739c;
$custom-light: #719bb9;
$custom-dark: #000000;
JSON
{
  "hex": "#23739c",
  "rgb": {
    "r": 35,
    "g": 115,
    "b": 156
  },
  "hsl": {
    "h": 200.331,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.52723,
    "c": 0.09863,
    "h": 235.9
  },
  "luminance": 0.15019
}

Semantic roles & 50–950 ramp

primary
#23739C
secondary
#C07D5B
accent
#7941E6
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090E11
muted
#7B7E80

Preview Lab

Preview with #23739C

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

Preview Lab → · Contrast checker → · Palette generator →

#23739C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva