#5BC5EF#5BC5EF

#5BC5EF is a light, moderate cyan. Relative luminance 0.484; OKLCH L 77.7% C 0.114 H 227.1°. Best body text is #000000 at 10.68:1 contrast (WCAG AA passes).

Color values

HEX#5BC5EF
RGBrgb(91, 197, 239)
HSLhsl(197, 82%, 65%)
HSVhsv(197, 62%, 94%)
CMYKcmyk(61.9%, 17.6%, 0%, 6.3%)
CIE-LABlab(75.07, -18.29, -29.91)
CIE-LCHlch(75.07, 35.06, 238.55°)
OKLaboklab(77.75% -0.0776 -0.0835)
OKLCHoklch(77.75% 0.114 227.1)
XYZxyz(39.8545, 48.3846, 88.8834)
Luminance0.4839 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BC5EF #EF855B
analogous
#5BEFCF #5BC5EF #5B7BEF
triadic
#5BC5EF #EF5BC5 #C5EF5B
tetradic
#5BC5EF #CF5BEF #EF855B #7BEF5B
square
#5BC5EF #CF5BEF #EF855B #7BEF5B
split-complementary
#5BC5EF #EF5B7B #EFCF5B
monochromatic
#128DBD #23B1EA #5BC5EF #93D9F4 #CBECFA

Accessibility & contrast

On white

1.97
#5BC5EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.68
#5BC5EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC5EF
10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BC5EF#FFFFFF#000000##000000
##5BC5EF1.001.9710.6810.68
#FFFFFF1.971.0021.0021.00
#00000010.6821.001.001.00
##00000010.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#AFC2F1
Deuteranopia (green-blind)
#9AB2EE
Tritanopia (blue-blind)
#00D1D3
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #5bc5ef;
/* rgb */ color: rgb(91, 197, 239);
/* oklch */ color: oklch(77.7% 0.114 227.1);
Tailwind
colors: {
  custom: {
    50: '#97d6f4',
    500: '#5bc5ef',
    950: '#000000',
  },
}
SCSS
$custom: #5bc5ef;
$custom-light: #97d6f4;
$custom-dark: #000000;
JSON
{
  "hex": "#5bc5ef",
  "rgb": {
    "r": 91,
    "g": 197,
    "b": 239
  },
  "hsl": {
    "h": 197.027,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.77749,
    "c": 0.11396,
    "h": 227.1
  },
  "luminance": 0.48389
}

Semantic roles & 50–950 ramp

primary
#5BC5EF
secondary
#ECC8BA
accent
#4407DF
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0F1417
muted
#7E8385

Preview Lab

Preview with #5BC5EF

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

Preview Lab → · Contrast checker → · Palette generator →

#5BC5EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva