#1B645E#1B645E

#1B645E is a mid, moderate teal. Relative luminance 0.102; OKLCH L 45.8% C 0.070 H 187.1°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#1B645E
RGBrgb(27, 100, 94)
HSLhsl(175, 57%, 25%)
HSVhsv(175, 73%, 39%)
CMYKcmyk(73%, 0%, 6%, 60.8%)
CIE-LABlab(38.12, -23.40, -3.05)
CIE-LCHlch(38.12, 23.60, 187.43°)
OKLaboklab(45.79% -0.0698 -0.0086)
OKLCHoklch(45.79% 0.07 187.1)
XYZxyz(7.0286, 10.1547, 12.1771)
Luminance0.1016 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B645E #641B21
analogous
#1B6439 #1B645E #1B4664
triadic
#1B645E #5E1B64 #645E1B
tetradic
#1B645E #391B64 #641B21 #46641B
square
#1B645E #391B64 #641B21 #46641B
split-complementary
#1B645E #641B46 #64391B
monochromatic
#071817 #0E3431 #1B645E #28948B #35C4B9

Accessibility & contrast

On white

6.93
#1B645E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.03
#1B645E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B645E
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B645E#FFFFFF#000000##FFFFFF
##1B645E1.006.933.036.93
#FFFFFF6.931.0021.001.00
#0000003.0321.001.0021.00
##FFFFFF6.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E5E5E
Deuteranopia (green-blind)
#54565F
Tritanopia (blue-blind)
#006762
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #1b645e;
/* rgb */ color: rgb(27, 100, 94);
/* oklch */ color: oklch(45.8% 0.070 187.1);
Tailwind
colors: {
  custom: {
    50: '#64908b',
    500: '#1b645e',
    950: '#000000',
  },
}
SCSS
$custom: #1b645e;
$custom-light: #64908b;
$custom-dark: #000000;
JSON
{
  "hex": "#1b645e",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 94
  },
  "hsl": {
    "h": 175.068,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.45792,
    "c": 0.07031,
    "h": 187.1
  },
  "luminance": 0.10156
}

Semantic roles & 50–950 ramp

primary
#1B645E
secondary
#994149
accent
#4754E1
background
#F6F8F8
surface
#EBF0F0
border
#C6CBCB
text
#060C0C
muted
#7A7D7D

Preview Lab

Preview with #1B645E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B645E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva