#12738D#12738D

#12738D is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.6% C 0.091 H 221.9°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#12738D
RGBrgb(18, 115, 141)
HSLhsl(193, 77%, 31%)
HSVhsv(193, 87%, 55%)
CMYKcmyk(87.2%, 18.4%, 0%, 44.7%)
CIE-LABlab(44.68, -16.51, -21.60)
CIE-LCHlch(44.68, 27.19, 232.61°)
OKLaboklab(51.63% -0.0675 -0.0606)
OKLCHoklch(51.63% 0.091 221.9)
XYZxyz(11.1859, 14.3117, 27.3670)
Luminance0.1431 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#12738D #8D2C12
analogous
#128D69 #12738D #12358D
triadic
#12738D #8D1273 #738D12
tetradic
#12738D #69128D #8D2C12 #358D12
square
#12738D #69128D #8D2C12 #358D12
split-complementary
#12738D #8D1235 #8D6912
monochromatic
#041A20 #0B4757 #12738D #199FC3 #34C0E5

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##12738D#FFFFFF#000000##FFFFFF
##12738D1.005.443.865.44
#FFFFFF5.441.0021.001.00
#0000003.8621.001.0021.00
##FFFFFF5.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#64708E
Deuteranopia (green-blind)
#54658D
Tritanopia (blue-blind)
#007B7B
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #12738d;
/* rgb */ color: rgb(18, 115, 141);
/* oklch */ color: oklch(51.6% 0.091 221.9);
Tailwind
colors: {
  custom: {
    50: '#6a9bae',
    500: '#12738d',
    950: '#000000',
  },
}
SCSS
$custom: #12738d;
$custom-light: #6a9bae;
$custom-dark: #000000;
JSON
{
  "hex": "#12738d",
  "rgb": {
    "r": 18,
    "g": 115,
    "b": 141
  },
  "hsl": {
    "h": 192.683,
    "s": 77.358,
    "l": 31.176
  },
  "oklch": {
    "l": 0.51627,
    "c": 0.09073,
    "h": 221.9
  },
  "luminance": 0.14313
}

Semantic roles & 50–950 ramp

primary
#12738D
secondary
#C15639
accent
#5C34F4
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #12738D

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

Preview Lab → · Contrast checker → · Palette generator →

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