#12858C#12858C

#12858C is a mid, moderate teal. Relative luminance 0.188; OKLCH L 56.3% C 0.092 H 201.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#12858C
RGBrgb(18, 133, 140)
HSLhsl(183, 77%, 31%)
HSVhsv(183, 87%, 55%)
CMYKcmyk(87.1%, 5%, 0%, 45.1%)
CIE-LABlab(50.45, -26.38, -12.21)
CIE-LCHlch(50.45, 29.07, 204.83°)
OKLaboklab(56.28% -0.0858 -0.034)
OKLCHoklch(56.28% 0.092 201.6)
XYZxyz(13.3684, 18.7954, 27.7291)
Luminance0.1880 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#12858C #8C1912
analogous
#128C56 #12858C #12488C
triadic
#12858C #8C1285 #858C12
tetradic
#12858C #56128C #8C1912 #488C12
square
#12858C #56128C #8C1912 #488C12
split-complementary
#12858C #8C1248 #8C5612
monochromatic
#041E20 #0B5156 #12858C #19B9C2 #34DBE5

Accessibility & contrast

On white

4.41
#12858C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#12858C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #12858C
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##12858C#FFFFFF#000000##000000
##12858C1.004.414.764.76
#FFFFFF4.411.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A7F8D
Deuteranopia (green-blind)
#6A738C
Tritanopia (blue-blind)
#008B87
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #12858c;
/* rgb */ color: rgb(18, 133, 140);
/* oklch */ color: oklch(56.3% 0.092 201.6);
Tailwind
colors: {
  custom: {
    50: '#6ca9ad',
    500: '#12858c',
    950: '#000000',
  },
}
SCSS
$custom: #12858c;
$custom-light: #6ca9ad;
$custom-dark: #000000;
JSON
{
  "hex": "#12858c",
  "rgb": {
    "r": 18,
    "g": 133,
    "b": 140
  },
  "hsl": {
    "h": 183.443,
    "s": 77.215,
    "l": 30.98
  },
  "oklch": {
    "l": 0.56276,
    "c": 0.09224,
    "h": 201.6
  },
  "luminance": 0.18797
}

Semantic roles & 50–950 ramp

primary
#12858C
secondary
#C04139
accent
#3F34F4
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#081010
muted
#7B7F7F

Preview Lab

Preview with #12858C

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

Preview Lab → · Contrast checker → · Palette generator →

#12858C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva