#5BB7EE#5BB7EE

#5BB7EE is a light, moderate cyan. Relative luminance 0.423; OKLCH L 74.5% C 0.118 H 237.5°. Best body text is #000000 at 9.45:1 contrast (WCAG AA passes).

Color values

HEX#5BB7EE
RGBrgb(91, 183, 238)
HSLhsl(202, 81%, 65%)
HSVhsv(202, 62%, 93%)
CMYKcmyk(61.8%, 23.1%, 0%, 6.7%)
CIE-LABlab(71.05, -11.21, -35.57)
CIE-LCHlch(71.05, 37.29, 252.51°)
OKLaboklab(74.54% -0.0635 -0.0998)
OKLCHoklch(74.54% 0.118 237.5)
XYZxyz(36.6746, 42.2605, 87.0967)
Luminance0.4226 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB7EE #EE925B
analogous
#5BEEDB #5BB7EE #5B6EEE
triadic
#5BB7EE #EE5BB7 #B7EE5B
tetradic
#5BB7EE #DB5BEE #EE925B #6EEE5B
square
#5BB7EE #DB5BEE #EE925B #6EEE5B
split-complementary
#5BB7EE #EE5B6E #EEDB5B
monochromatic
#137CBB #249FE8 #5BB7EE #92CFF4 #CAE8F9

Accessibility & contrast

On white

2.22
#5BB7EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.45
#5BB7EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB7EE
9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB7EE#FFFFFF#000000##000000
##5BB7EE1.002.229.459.45
#FFFFFF2.221.0021.0021.00
#0000009.4521.001.001.00
##0000009.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DB6F1
Deuteranopia (green-blind)
#89A7ED
Tritanopia (blue-blind)
#00C5CA
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #5bb7ee;
/* rgb */ color: rgb(91, 183, 238);
/* oklch */ color: oklch(74.5% 0.118 237.5);
Tailwind
colors: {
  custom: {
    50: '#96ccf3',
    500: '#5bb7ee',
    950: '#000000',
  },
}
SCSS
$custom: #5bb7ee;
$custom-light: #96ccf3;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb7ee",
  "rgb": {
    "r": 91,
    "g": 183,
    "b": 238
  },
  "hsl": {
    "h": 202.449,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.74539,
    "c": 0.11826,
    "h": 237.5
  },
  "luminance": 0.42264
}

Semantic roles & 50–950 ramp

primary
#5BB7EE
secondary
#ECCCB9
accent
#5808DE
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1317
muted
#7E8285

Preview Lab

Preview with #5BB7EE

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB7EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva