#5BC4F0#5BC4F0

#5BC4F0 is a light, moderate cyan. Relative luminance 0.480; OKLCH L 77.6% C 0.115 H 228.5°. Best body text is #000000 at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#5BC4F0
RGB	rgb(91, 196, 240)
HSL	hsl(198, 83%, 65%)
HSV	hsv(198, 62%, 94%)
CMYK	cmyk(62.1%, 18.3%, 0%, 5.9%)
CIE-LAB	lab(74.82, -17.47, -30.83)
CIE-LCH	lch(74.82, 35.43, 240.46°)
OKLab	oklab(77.56% -0.0762 -0.0861)
OKLCH	oklch(77.56% 0.115 228.5)
XYZ	xyz(39.7763, 47.9912, 89.5882)
Luminance	0.4799 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC4F0 #F0875B

analogous

#5BF0D1 #5BC4F0 #5B7AF0

triadic

#5BC4F0 #F05BC4 #C4F05B

tetradic

#5BC4F0 #D15BF0 #F0875B #7AF05B

square

#5BC4F0 #D15BF0 #F0875B #7AF05B

split-complementary

#5BC4F0 #F05B7A #F0D15B

monochromatic

#118CBF #23B0EB #5BC4F0 #93D8F5 #CBECFA

Accessibility & contrast

On white

1.98

#5BC4F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.60

#5BC4F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC4F0

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC4F0	#FFFFFF	#000000	##000000
##5BC4F0	1.00	1.98	10.60	10.60
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.60	21.00	1.00	1.00
##000000	10.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADC1F2

Deuteranopia (green-blind)

#98B1EF

Tritanopia (blue-blind)

#00D1D2

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #5bc4f0;
/* rgb */ color: rgb(91, 196, 240);
/* oklch */ color: oklch(77.6% 0.115 228.5);

Tailwind

colors: {
  custom: {
    50: '#97d6f5',
    500: '#5bc4f0',
    950: '#000000',
  },
}

SCSS

$custom: #5bc4f0;
$custom-light: #97d6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc4f0",
  "rgb": {
    "r": 91,
    "g": 196,
    "b": 240
  },
  "hsl": {
    "h": 197.718,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.77564,
    "c": 0.11498,
    "h": 228.5
  },
  "luminance": 0.47995
}

Semantic roles & 50–950 ramp

primary

#5BC4F0

secondary

#EDC9BA

accent

#4606E0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0F1417

muted

#7E8385

Preview Lab

Preview with #5BC4F0

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

Preview Lab → · Contrast checker → · Palette generator →