#5BB0FF#5BB0FF

#5BB0FF is a light, vivid cyan. Relative luminance 0.405; OKLCH L 73.8% C 0.142 H 248.8°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#5BB0FF
RGB	rgb(91, 176, 255)
HSL	hsl(209, 100%, 68%)
HSV	hsv(209, 64%, 100%)
CMYK	cmyk(64.3%, 31%, 0%, 0%)
CIE-LAB	lab(69.82, -1.94, -46.71)
CIE-LCH	lch(69.82, 46.75, 267.62°)
OKLab	oklab(73.81% -0.0513 -0.132)
OKLCH	oklch(73.81% 0.142 248.8)
XYZ	xyz(37.8830, 40.4910, 100.4074)
Luminance	0.4049 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB0FF #FFAA5B

analogous

#5BFFFC #5BB0FF #5B5EFF

triadic

#5BB0FF #FF5BB0 #B0FF5B

tetradic

#5BB0FF #FC5BFF #FFAA5B #5EFF5B

square

#5BB0FF #FC5BFF #FFAA5B #5EFF5B

split-complementary

#5BB0FF #FF5B5E #FFFC5B

monochromatic

#0074E0 #1E93FF #5BB0FF #98CDFF #D5EBFF

Accessibility & contrast

On white

2.31

#5BB0FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#5BB0FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB0FF

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB0FF	#FFFFFF	#000000	##000000
##5BB0FF	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DB3FF

Deuteranopia (green-blind)

#77A3FD

Tritanopia (blue-blind)

#00C3CC

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bb0ff;
/* rgb */ color: rgb(91, 176, 255);
/* oklch */ color: oklch(73.8% 0.142 248.8);

Tailwind

colors: {
  custom: {
    50: '#98c7ff',
    500: '#5bb0ff',
    950: '#000000',
  },
}

SCSS

$custom: #5bb0ff;
$custom-light: #98c7ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb0ff",
  "rgb": {
    "r": 91,
    "g": 176,
    "b": 255
  },
  "hsl": {
    "h": 208.902,
    "s": 100,
    "l": 67.843
  },
  "oklch": {
    "l": 0.73806,
    "c": 0.14165,
    "h": 248.8
  },
  "luminance": 0.40495
}

Semantic roles & 50–950 ramp

primary

#5BB0FF

secondary

#F4DAC2

accent

#6F00E6

background

#FAFCFF

surface

#F3F8FF

border

#CDD1D7

text

#0F1318

muted

#7F8286

Preview Lab

Preview with #5BB0FF

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

Preview Lab → · Contrast checker → · Palette generator →