#12858F#12858F

#12858F is a mid, moderate teal. Relative luminance 0.189; OKLCH L 56.4% C 0.093 H 204.5°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#12858F
RGBrgb(18, 133, 143)
HSLhsl(185, 78%, 32%)
HSVhsv(185, 87%, 56%)
CMYKcmyk(87.4%, 7%, 0%, 43.9%)
CIE-LABlab(50.55, -25.39, -13.80)
CIE-LCHlch(50.55, 28.90, 208.52°)
OKLaboklab(56.4% -0.0844 -0.0384)
OKLCHoklch(56.4% 0.093 204.5)
XYZxyz(13.5927, 18.8851, 28.9100)
Luminance0.1889 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#12858F #8F1C12
analogous
#128F5B #12858F #12478F
triadic
#12858F #8F1285 #858F12
tetradic
#12858F #5B128F #8F1C12 #478F12
square
#12858F #5B128F #8F1C12 #478F12
split-complementary
#12858F #8F1247 #8F5B12
monochromatic
#042022 #0B5259 #12858F #19B8C5 #36D8E6

Accessibility & contrast

On white

4.40
#12858F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.78
#12858F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #12858F
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##12858F#FFFFFF#000000##000000
##12858F1.004.404.784.78
#FFFFFF4.401.0021.0021.00
#0000004.7821.001.001.00
##0000004.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#797F90
Deuteranopia (green-blind)
#69738F
Tritanopia (blue-blind)
#008B88
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #12858f;
/* rgb */ color: rgb(18, 133, 143);
/* oklch */ color: oklch(56.4% 0.093 204.5);
Tailwind
colors: {
  custom: {
    50: '#6ca9af',
    500: '#12858f',
    950: '#000000',
  },
}
SCSS
$custom: #12858f;
$custom-light: #6ca9af;
$custom-dark: #000000;
JSON
{
  "hex": "#12858f",
  "rgb": {
    "r": 18,
    "g": 133,
    "b": 143
  },
  "hsl": {
    "h": 184.8,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56397,
    "c": 0.09273,
    "h": 204.5
  },
  "luminance": 0.18887
}

Semantic roles & 50–950 ramp

primary
#12858F
secondary
#C3453A
accent
#4334F4
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#081010
muted
#7B7F7F

Preview Lab

Preview with #12858F

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

Preview Lab → · Contrast checker → · Palette generator →

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