#5BB4DF#5BB4DF

#5BB4DF is a light, moderate cyan. Relative luminance 0.402; OKLCH L 73.2% C 0.106 H 231.6°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX#5BB4DF
RGBrgb(91, 180, 223)
HSLhsl(200, 67%, 62%)
HSVhsv(200, 59%, 87%)
CMYKcmyk(59.2%, 19.3%, 0%, 12.5%)
CIE-LABlab(69.61, -14.23, -29.63)
CIE-LCHlch(69.61, 32.87, 244.35°)
OKLaboklab(73.2% -0.0655 -0.0827)
OKLCHoklch(73.2% 0.106 231.6)
XYZxyz(33.9498, 40.1911, 75.7662)
Luminance0.4019 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB4DF #DF865B
analogous
#5BDFC8 #5BB4DF #5B72DF
triadic
#5BB4DF #DF5BB4 #B4DF5B
tetradic
#5BB4DF #C85BDF #DF865B #72DF5B
square
#5BB4DF #C85BDF #DF865B #72DF5B
split-complementary
#5BB4DF #DF5B72 #DFC85B
monochromatic
#1F76A0 #299CD4 #5BB4DF #8ECBE9 #C1E3F3

Accessibility & contrast

On white

2.32
#5BB4DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.04
#5BB4DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4DF
9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB4DF#FFFFFF#000000##000000
##5BB4DF1.002.329.049.04
#FFFFFF2.321.0021.0021.00
#0000009.0421.001.001.00
##0000009.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9FB2E1
Deuteranopia (green-blind)
#8CA4DE
Tritanopia (blue-blind)
#00C0C2
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #5bb4df;
/* rgb */ color: rgb(91, 180, 223);
/* oklch */ color: oklch(73.2% 0.106 231.6);
Tailwind
colors: {
  custom: {
    50: '#94cae9',
    500: '#5bb4df',
    950: '#000000',
  },
}
SCSS
$custom: #5bb4df;
$custom-light: #94cae9;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb4df",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 223
  },
  "hsl": {
    "h": 199.545,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.73196,
    "c": 0.10553,
    "h": 231.6
  },
  "luminance": 0.40194
}

Semantic roles & 50–950 ramp

primary
#5BB4DF
secondary
#E3C2B2
accent
#5316CF
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #5BB4DF

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB4DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva