#1C645A#1C645A

#1C645A is a mid, moderate teal. Relative luminance 0.101; OKLCH L 45.7% C 0.071 H 181.9°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX#1C645A
RGBrgb(28, 100, 90)
HSLhsl(172, 56%, 25%)
HSVhsv(172, 72%, 39%)
CMYKcmyk(72%, 0%, 10%, 60.8%)
CIE-LABlab(38.02, -24.45, -0.73)
CIE-LCHlch(38.02, 24.47, 181.72°)
OKLaboklab(45.68% -0.0713 -0.0024)
OKLCHoklch(45.68% 0.071 181.9)
XYZxyz(6.8806, 10.0986, 11.2575)
Luminance0.1010 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C645A #641C26
analogous
#1C6436 #1C645A #1C4A64
triadic
#1C645A #5A1C64 #645A1C
tetradic
#1C645A #361C64 #641C26 #4A641C
square
#1C645A #361C64 #641C26 #4A641C
split-complementary
#1C645A #641C4A #64361C
monochromatic
#071816 #0F342F #1C645A #299485 #37C4B0

Accessibility & contrast

On white

6.95
#1C645A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.02
#1C645A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C645A
6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C645A#FFFFFF#000000##FFFFFF
##1C645A1.006.953.026.95
#FFFFFF6.951.0021.001.00
#0000003.0221.001.0021.00
##FFFFFF6.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5E5A
Deuteranopia (green-blind)
#55565B
Tritanopia (blue-blind)
#006661
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #1c645a;
/* rgb */ color: rgb(28, 100, 90);
/* oklch */ color: oklch(45.7% 0.071 181.9);
Tailwind
colors: {
  custom: {
    50: '#649088',
    500: '#1c645a',
    950: '#000000',
  },
}
SCSS
$custom: #1c645a;
$custom-light: #649088;
$custom-dark: #000000;
JSON
{
  "hex": "#1c645a",
  "rgb": {
    "r": 28,
    "g": 100,
    "b": 90
  },
  "hsl": {
    "h": 171.667,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.45677,
    "c": 0.07137,
    "h": 181.9
  },
  "luminance": 0.10099
}

Semantic roles & 50–950 ramp

primary
#1C645A
secondary
#99434F
accent
#485DE0
background
#F6F8F8
surface
#EBF0EF
border
#C6CBCA
text
#060C0B
muted
#7A7D7C

Preview Lab

Preview with #1C645A

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

Preview Lab → · Contrast checker → · Palette generator →

#1C645A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva