#5B9DF0#5B9DF0

#5B9DF0 is a light, vivid cyan. Relative luminance 0.326; OKLCH L 68.9% C 0.141 H 255.0°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#5B9DF0
RGB	rgb(91, 157, 240)
HSL	hsl(213, 83%, 65%)
HSV	hsv(213, 62%, 94%)
CMYK	cmyk(62.1%, 34.6%, 0%, 5.9%)
CIE-LAB	lab(63.86, 3.96, -47.92)
CIE-LCH	lch(63.86, 48.09, 274.73°)
OKLab	oklab(68.9% -0.0363 -0.1358)
OKLCH	oklch(68.9% 0.141 255)
XYZ	xyz(32.0939, 32.6263, 87.0274)
Luminance	0.3263 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9DF0 #F0AE5B

analogous

#5BE7F0 #5B9DF0 #645BF0

triadic

#5B9DF0 #F05B9D #9DF05B

tetradic

#5B9DF0 #F05BE7 #F0AE5B #5BF064

square

#5B9DF0 #F05BE7 #F0AE5B #5BF064

split-complementary

#5B9DF0 #F0645B #E7F05B

monochromatic

#115EBF #237BEB #5B9DF0 #93BFF5 #CBE0FA

Accessibility & contrast

On white

2.79

#5B9DF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.53

#5B9DF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9DF0

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9DF0	#FFFFFF	#000000	##000000
##5B9DF0	1.00	2.79	7.53	7.53
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.53	21.00	1.00	1.00
##000000	7.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A2F3

Deuteranopia (green-blind)

#6594EE

Tritanopia (blue-blind)

#00B0BB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #5b9df0;
/* rgb */ color: rgb(91, 157, 240);
/* oklch */ color: oklch(68.9% 0.141 255.0);

Tailwind

colors: {
  custom: {
    50: '#96b9f5',
    500: '#5b9df0',
    950: '#000000',
  },
}

SCSS

$custom: #5b9df0;
$custom-light: #96b9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9df0",
  "rgb": {
    "r": 91,
    "g": 157,
    "b": 240
  },
  "hsl": {
    "h": 213.423,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.68903,
    "c": 0.14054,
    "h": 255
  },
  "luminance": 0.32629
}

Semantic roles & 50–950 ramp

primary

#5B9DF0

secondary

#EDD6BA

accent

#7F06E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5B9DF0

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

Preview Lab → · Contrast checker → · Palette generator →