#1B5253#1B5253

#1B5253 is a dark, muted teal. Relative luminance 0.069; OKLCH L 40.3% C 0.057 H 196.8°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX#1B5253
RGBrgb(27, 82, 83)
HSLhsl(181, 51%, 22%)
HSVhsv(181, 67%, 33%)
CMYKcmyk(67.5%, 1.2%, 0%, 67.5%)
CIE-LABlab(31.56, -17.28, -5.91)
CIE-LCHlch(31.56, 18.26, 198.90°)
OKLaboklab(40.35% -0.0541 -0.0164)
OKLCHoklch(40.35% 0.057 196.8)
XYZxyz(5.0299, 6.8916, 9.2471)
Luminance0.0689 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5253 #531C1B
analogous
#1B5338 #1B5253 #1B3653
triadic
#1B5253 #531B52 #52531B
tetradic
#1B5253 #381B53 #531C1B #36531B
square
#1B5253 #381B53 #531C1B #36531B
split-complementary
#1B5253 #531B36 #53381B
monochromatic
#081717 #0C2425 #1B5253 #2A8081 #39ADAF

Accessibility & contrast

On white

8.83
#1B5253 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.38
#1B5253 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5253
8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5253#FFFFFF#000000##FFFFFF
##1B52531.008.832.388.83
#FFFFFF8.831.0021.001.00
#0000002.3821.001.0021.00
##FFFFFF8.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C4E53
Deuteranopia (green-blind)
#434853
Tritanopia (blue-blind)
#005552
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1b5253;
/* rgb */ color: rgb(27, 82, 83);
/* oklch */ color: oklch(40.3% 0.057 196.8);
Tailwind
colors: {
  custom: {
    50: '#608383',
    500: '#1b5253',
    950: '#000000',
  },
}
SCSS
$custom: #1b5253;
$custom-light: #608383;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5253",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 83
  },
  "hsl": {
    "h": 181.071,
    "s": 50.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.40349,
    "c": 0.05657,
    "h": 196.8
  },
  "luminance": 0.06892
}

Semantic roles & 50–950 ramp

primary
#1B5253
secondary
#894241
accent
#504DDA
background
#F5F8F8
surface
#EAEFEF
border
#C6CACA
text
#050A0A
muted
#797C7C

Preview Lab

Preview with #1B5253

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5253 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva