#23739E#23739E

#23739E is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.8% C 0.101 H 237.1°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX#23739E
RGBrgb(35, 115, 158)
HSLhsl(201, 64%, 38%)
HSVhsv(201, 78%, 62%)
CMYKcmyk(77.8%, 27.2%, 0%, 38%)
CIE-LABlab(45.75, -8.60, -29.97)
CIE-LCHlch(45.75, 31.18, 253.99°)
OKLaboklab(52.83% -0.0546 -0.0846)
OKLCHoklch(52.83% 0.101 237.1)
XYZxyz(12.9930, 15.0859, 34.5682)
Luminance0.1509 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#23739E #9E4E23
analogous
#239E8C #23739E #23359E
triadic
#23739E #9E2373 #739E23
tetradic
#23739E #8C239E #9E4E23 #359E23
square
#23739E #8C239E #9E4E23 #359E23
split-complementary
#23739E #9E2335 #9E8C23
monochromatic
#0D2A3A #184F6C #23739E #2E97D0 #60B0DC

Accessibility & contrast

On white

5.23
#23739E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.02
#23739E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #23739E
5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##23739E#FFFFFF#000000##FFFFFF
##23739E1.005.234.025.23
#FFFFFF5.231.0021.001.00
#0000004.0221.001.0021.00
##FFFFFF5.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E73A0
Deuteranopia (green-blind)
#4E679D
Tritanopia (blue-blind)
#007E82
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #23739e;
/* rgb */ color: rgb(35, 115, 158);
/* oklch */ color: oklch(52.8% 0.101 237.1);
Tailwind
colors: {
  custom: {
    50: '#719bbb',
    500: '#23739e',
    950: '#000000',
  },
}
SCSS
$custom: #23739e;
$custom-light: #719bbb;
$custom-dark: #000000;
JSON
{
  "hex": "#23739e",
  "rgb": {
    "r": 35,
    "g": 115,
    "b": 158
  },
  "hsl": {
    "h": 200.976,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.52828,
    "c": 0.10074,
    "h": 237.1
  },
  "luminance": 0.15087
}

Semantic roles & 50–950 ramp

primary
#23739E
secondary
#C17F5C
accent
#7B41E7
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090E11
muted
#7B7E80

Preview Lab

Preview with #23739E

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

Preview Lab → · Contrast checker → · Palette generator →

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