#5BB5BB#5BB5BB

#5BB5BB is a light, moderate teal. Relative luminance 0.389; OKLCH L 72.0% C 0.086 H 201.2°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#5BB5BB
RGBrgb(91, 181, 187)
HSLhsl(184, 41%, 55%)
HSVhsv(184, 51%, 73%)
CMYKcmyk(51.3%, 3.2%, 0%, 26.7%)
CIE-LABlab(68.65, -25.17, -11.32)
CIE-LCHlch(68.65, 27.60, 204.21°)
OKLaboklab(72.02% -0.0805 -0.0312)
OKLCHoklch(72.02% 0.086 201.2)
XYZxyz(29.8043, 38.8571, 52.9336)
Luminance0.3886 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB5BB #BB615B
analogous
#5BBB91 #5BB5BB #5B85BB
triadic
#5BB5BB #BB5BB5 #B5BB5B
tetradic
#5BB5BB #915BBB #BB615B #85BB5B
square
#5BB5BB #915BBB #BB615B #85BB5B
split-complementary
#5BB5BB #BB5B85 #BB915B
monochromatic
#2E6A6E #409499 #5BB5BB #86C9CD #B2DCDF

Accessibility & contrast

On white

2.39
#5BB5BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.77
#5BB5BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5BB
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB5BB#FFFFFF#000000##000000
##5BB5BB1.002.398.778.77
#FFFFFF2.391.0021.0021.00
#0000008.7721.001.001.00
##0000008.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAAEBC
Deuteranopia (green-blind)
#9AA2BC
Tritanopia (blue-blind)
#14BBB7
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #5bb5bb;
/* rgb */ color: rgb(91, 181, 187);
/* oklch */ color: oklch(72.0% 0.086 201.2);
Tailwind
colors: {
  custom: {
    50: '#91cbcf',
    500: '#5bb5bb',
    950: '#000000',
  },
}
SCSS
$custom: #5bb5bb;
$custom-light: #91cbcf;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb5bb",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 187
  },
  "hsl": {
    "h": 183.75,
    "s": 41.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.72016,
    "c": 0.08638,
    "h": 201.2
  },
  "luminance": 0.3886
}

Semantic roles & 50–950 ramp

primary
#5BB5BB
secondary
#CDA7A5
accent
#5E57D1
background
#F9FCFC
surface
#F2F8F9
border
#CCD1D2
text
#0D1313
muted
#7E8282

Preview Lab

Preview with #5BB5BB

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB5BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva