#5BB1FA#5BB1FA

#5BB1FA is a light, vivid cyan. Relative luminance 0.406; OKLCH L 73.8% C 0.135 H 246.6°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX#5BB1FA
RGBrgb(91, 177, 250)
HSLhsl(208, 94%, 67%)
HSVhsv(208, 64%, 98%)
CMYKcmyk(63.6%, 29.2%, 0%, 2%)
CIE-LABlab(69.87, -4.12, -43.92)
CIE-LCHlch(69.87, 44.11, 264.65°)
OKLaboklab(73.77% -0.0537 -0.1239)
OKLCHoklch(73.77% 0.135 246.6)
XYZxyz(37.2854, 40.5668, 96.2892)
Luminance0.4057 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB1FA #FAA45B
analogous
#5BFAF3 #5BB1FA #5B62FA
triadic
#5BB1FA #FA5BB1 #B1FA5B
tetradic
#5BB1FA #F35BFA #FAA45B #62FA5B
square
#5BB1FA #F35BFA #FAA45B #62FA5B
split-complementary
#5BB1FA #FA5B62 #FAF35B
monochromatic
#0676D4 #2095F8 #5BB1FA #96CDFC #D2E9FE

Accessibility & contrast

On white

2.30
#5BB1FA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.11
#5BB1FA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB1FA
9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB1FA#FFFFFF#000000##000000
##5BB1FA1.002.309.119.11
#FFFFFF2.301.0021.0021.00
#0000009.1121.001.001.00
##0000009.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#91B3FD
Deuteranopia (green-blind)
#7BA4F9
Tritanopia (blue-blind)
#00C2CB
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #5bb1fa;
/* rgb */ color: rgb(91, 177, 250);
/* oklch */ color: oklch(73.8% 0.135 246.6);
Tailwind
colors: {
  custom: {
    50: '#97c8fc',
    500: '#5bb1fa',
    950: '#000000',
  },
}
SCSS
$custom: #5bb1fa;
$custom-light: #97c8fc;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb1fa",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 250
  },
  "hsl": {
    "h": 207.547,
    "s": 94.083,
    "l": 66.863
  },
  "oklch": {
    "l": 0.73774,
    "c": 0.13506,
    "h": 246.6
  },
  "luminance": 0.40571
}

Semantic roles & 50–950 ramp

primary
#5BB1FA
secondary
#F2D6BF
accent
#6900E6
background
#FAFCFF
surface
#F3F8FF
border
#CDD1D7
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #5BB1FA

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB1FA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva