#5BBDDD#5BBDDD

#5BBDDD is a light, moderate cyan. Relative luminance 0.438; OKLCH L 75.2% C 0.102 H 222.2°. Best body text is #000000 at 9.77:1 contrast (WCAG AA passes).

Color values

HEX#5BBDDD
RGBrgb(91, 189, 221)
HSLhsl(195, 66%, 61%)
HSVhsv(195, 59%, 87%)
CMYKcmyk(58.8%, 14.5%, 0%, 13.3%)
CIE-LABlab(72.12, -19.55, -24.68)
CIE-LCHlch(72.12, 31.49, 231.63°)
OKLaboklab(75.18% -0.0758 -0.0686)
OKLCHoklch(75.18% 0.102 222.2)
XYZxyz(35.5580, 43.8363, 74.9799)
Luminance0.4384 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BBDDD #DD7B5B
analogous
#5BDDBC #5BBDDD #5B7CDD
triadic
#5BBDDD #DD5BBD #BDDD5B
tetradic
#5BBDDD #BC5BDD #DD7B5B #7CDD5B
square
#5BBDDD #BC5BDD #DD7B5B #7CDD5B
split-complementary
#5BBDDD #DD5B7C #DDBC5B
monochromatic
#217E9D #2BA7D0 #5BBDDD #8ED1E8 #C0E6F2

Accessibility & contrast

On white

2.15
#5BBDDD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.77
#5BBDDD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBDDD
9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BBDDD#FFFFFF#000000##000000
##5BBDDD1.002.159.779.77
#FFFFFF2.151.0021.0021.00
#0000009.7721.001.001.00
##0000009.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAB9DF
Deuteranopia (green-blind)
#97ABDD
Tritanopia (blue-blind)
#00C7C7
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #5bbddd;
/* rgb */ color: rgb(91, 189, 221);
/* oklch */ color: oklch(75.2% 0.102 222.2);
Tailwind
colors: {
  custom: {
    50: '#95d1e7',
    500: '#5bbddd',
    950: '#000000',
  },
}
SCSS
$custom: #5bbddd;
$custom-light: #95d1e7;
$custom-dark: #000000;
JSON
{
  "hex": "#5bbddd",
  "rgb": {
    "r": 91,
    "g": 189,
    "b": 221
  },
  "hsl": {
    "h": 194.769,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.75177,
    "c": 0.10227,
    "h": 222.2
  },
  "luminance": 0.4384
}

Semantic roles & 50–950 ramp

primary
#5BBDDD
secondary
#E2BEB1
accent
#4518CE
background
#F9FCFE
surface
#F2F9FC
border
#CCD2D5
text
#0E1416
muted
#7E8284

Preview Lab

Preview with #5BBDDD

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

Preview Lab → · Contrast checker → · Palette generator →

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