#12738C#12738C

#12738C is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.6% C 0.090 H 221.0°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#12738C
RGBrgb(18, 115, 140)
HSLhsl(192, 77%, 31%)
HSVhsv(192, 87%, 55%)
CMYKcmyk(87.1%, 17.9%, 0%, 45.1%)
CIE-LABlab(44.63, -16.87, -21.07)
CIE-LCHlch(44.63, 26.99, 231.32°)
OKLaboklab(51.58% -0.0679 -0.0591)
OKLCHoklch(51.58% 0.09 221)
XYZxyz(11.1118, 14.2821, 26.9769)
Luminance0.1428 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#12738C #8C2B12
analogous
#128C68 #12738C #12368C
triadic
#12738C #8C1273 #738C12
tetradic
#12738C #68128C #8C2B12 #368C12
square
#12738C #68128C #8C2B12 #368C12
split-complementary
#12738C #8C1236 #8C6812
monochromatic
#041A20 #0B4656 #12738C #19A0C2 #34C1E5

Accessibility & contrast

On white

5.44
#12738C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.86
#12738C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12738C
5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##12738C#FFFFFF#000000##FFFFFF
##12738C1.005.443.865.44
#FFFFFF5.441.0021.001.00
#0000003.8621.001.0021.00
##FFFFFF5.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#64708D
Deuteranopia (green-blind)
#55658C
Tritanopia (blue-blind)
#007B7B
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #12738c;
/* rgb */ color: rgb(18, 115, 140);
/* oklch */ color: oklch(51.6% 0.090 221.0);
Tailwind
colors: {
  custom: {
    50: '#699bad',
    500: '#12738c',
    950: '#000000',
  },
}
SCSS
$custom: #12738c;
$custom-light: #699bad;
$custom-dark: #000000;
JSON
{
  "hex": "#12738c",
  "rgb": {
    "r": 18,
    "g": 115,
    "b": 140
  },
  "hsl": {
    "h": 192.295,
    "s": 77.215,
    "l": 30.98
  },
  "oklch": {
    "l": 0.5158,
    "c": 0.09003,
    "h": 221
  },
  "luminance": 0.14284
}

Semantic roles & 50–950 ramp

primary
#12738C
secondary
#C05539
accent
#5B34F4
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #12738C

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

Preview Lab → · Contrast checker → · Palette generator →

#12738C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva