#5BB2CB#5BB2CB

#5BB2CB is a light, moderate cyan. Relative luminance 0.384; OKLCH L 71.9% C 0.091 H 219.0°. Best body text is #000000 at 8.68:1 contrast (WCAG AA passes).

Color values

HEX#5BB2CB
RGBrgb(91, 178, 203)
HSLhsl(193, 52%, 58%)
HSVhsv(193, 55%, 80%)
CMYKcmyk(55.2%, 12.3%, 0%, 20.4%)
CIE-LABlab(68.30, -19.13, -20.67)
CIE-LCHlch(68.30, 28.16, 227.21°)
OKLaboklab(71.91% -0.0707 -0.0573)
OKLCHoklch(71.91% 0.091 219)
XYZxyz(31.0101, 38.3739, 62.2610)
Luminance0.3838 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB2CB #CB745B
analogous
#5BCBAC #5BB2CB #5B7ACB
triadic
#5BB2CB #CB5BB2 #B2CB5B
tetradic
#5BB2CB #AC5BCB #CB745B #7ACB5B
square
#5BB2CB #AC5BCB #CB745B #7ACB5B
split-complementary
#5BB2CB #CB5B7A #CBAC5B
monochromatic
#296E82 #3896B1 #5BB2CB #89C8DA #B8DEE8

Accessibility & contrast

On white

2.42
#5BB2CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.68
#5BB2CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB2CB
8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB2CB#FFFFFF#000000##000000
##5BB2CB1.002.428.688.68
#FFFFFF2.421.0021.0021.00
#0000008.6821.001.001.00
##0000008.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2AECC
Deuteranopia (green-blind)
#92A1CB
Tritanopia (blue-blind)
#00BBBA
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #5bb2cb;
/* rgb */ color: rgb(91, 178, 203);
/* oklch */ color: oklch(71.9% 0.091 219.0);
Tailwind
colors: {
  custom: {
    50: '#92c9da',
    500: '#5bb2cb',
    950: '#000000',
  },
}
SCSS
$custom: #5bb2cb;
$custom-light: #92c9da;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb2cb",
  "rgb": {
    "r": 91,
    "g": 178,
    "b": 203
  },
  "hsl": {
    "h": 193.393,
    "s": 51.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.71909,
    "c": 0.09102,
    "h": 219
  },
  "luminance": 0.38377
}

Semantic roles & 50–950 ramp

primary
#5BB2CB
secondary
#D7B4AA
accent
#6C4CDB
background
#F9FCFD
surface
#F2F8FA
border
#CCD1D3
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #5BB2CB

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB2CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva