#12637D#12637D

#12637D is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 46.7% C 0.083 H 225.5°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX#12637D
RGBrgb(18, 99, 125)
HSLhsl(195, 75%, 28%)
HSVhsv(195, 86%, 49%)
CMYKcmyk(85.6%, 20.8%, 0%, 51%)
CIE-LABlab(38.78, -13.31, -21.08)
CIE-LCHlch(38.78, 24.93, 237.74°)
OKLaboklab(46.67% -0.0581 -0.0592)
OKLCHoklch(46.67% 0.083 225.5)
XYZxyz(8.4114, 10.5319, 20.9876)
Luminance0.1053 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#12637D #7D2C12
analogous
#127D61 #12637D #122E7D
triadic
#12637D #7D1263 #637D12
tetradic
#12637D #61127D #7D2C12 #2E7D12
square
#12637D #61127D #7D2C12 #2E7D12
split-complementary
#12637D #7D122E #7D6112
monochromatic
#04151B #0A3948 #12637D #1A8DB2 #29B4E0

Accessibility & contrast

On white

6.76
#12637D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.11
#12637D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12637D
6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##12637D#FFFFFF#000000##FFFFFF
##12637D1.006.763.116.76
#FFFFFF6.761.0021.001.00
#0000003.1121.001.0021.00
##FFFFFF6.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#55617E
Deuteranopia (green-blind)
#47577D
Tritanopia (blue-blind)
#006B6C
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #12637d;
/* rgb */ color: rgb(18, 99, 125);
/* oklch */ color: oklch(46.7% 0.083 225.5);
Tailwind
colors: {
  custom: {
    50: '#658fa2',
    500: '#12637d',
    950: '#000000',
  },
}
SCSS
$custom: #12637d;
$custom-light: #658fa2;
$custom-dark: #000000;
JSON
{
  "hex": "#12637d",
  "rgb": {
    "r": 18,
    "g": 99,
    "b": 125
  },
  "hsl": {
    "h": 194.579,
    "s": 74.825,
    "l": 28.039
  },
  "oklch": {
    "l": 0.46665,
    "c": 0.083,
    "h": 225.5
  },
  "luminance": 0.10533
}

Semantic roles & 50–950 ramp

primary
#12637D
secondary
#B35638
accent
#6436F1
background
#F6F8FA
surface
#EBF0F3
border
#C6CBCD
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #12637D

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

Preview Lab → · Contrast checker → · Palette generator →

#12637D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva