#5BC3E4#5BC3E4

#5BC3E4 is a light, moderate cyan. Relative luminance 0.469; OKLCH L 76.8% C 0.107 H 221.7°. Best body text is #000000 at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#5BC3E4
RGB	rgb(91, 195, 228)
HSL	hsl(194, 72%, 63%)
HSV	hsv(194, 60%, 89%)
CMYK	cmyk(60.1%, 14.5%, 0%, 10.6%)
CIE-LAB	lab(74.09, -20.56, -25.46)
CIE-LCH	lch(74.09, 32.72, 231.08°)
OKLab	oklab(76.84% -0.0795 -0.0708)
OKLCH	oklch(76.84% 0.107 221.7)
XYZ	xyz(37.8275, 46.8520, 80.4336)
Luminance	0.4686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC3E4 #E47C5B

analogous

#5BE4C1 #5BC3E4 #5B7EE4

triadic

#5BC3E4 #E45BC3 #C3E45B

tetradic

#5BC3E4 #C15BE4 #E47C5B #7EE45B

square

#5BC3E4 #C15BE4 #E47C5B #7EE45B

split-complementary

#5BC3E4 #E45B7E #E4C15B

monochromatic

#1C87A9 #26B0DB #5BC3E4 #90D6ED #C4E9F5

Accessibility & contrast

On white

2.02

#5BC3E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.37

#5BC3E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC3E4

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC3E4	#FFFFFF	#000000	##000000
##5BC3E4	1.00	2.02	10.37	10.37
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.37	21.00	1.00	1.00
##000000	10.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFBFE6

Deuteranopia (green-blind)

#9CB0E4

Tritanopia (blue-blind)

#00CECD

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #5bc3e4;
/* rgb */ color: rgb(91, 195, 228);
/* oklch */ color: oklch(76.8% 0.107 221.7);

Tailwind

colors: {
  custom: {
    50: '#96d5ec',
    500: '#5bc3e4',
    950: '#000000',
  },
}

SCSS

$custom: #5bc3e4;
$custom-light: #96d5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc3e4",
  "rgb": {
    "r": 91,
    "g": 195,
    "b": 228
  },
  "hsl": {
    "h": 194.453,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.7684,
    "c": 0.10651,
    "h": 221.7
  },
  "luminance": 0.46856
}

Semantic roles & 50–950 ramp

primary

#5BC3E4

secondary

#E6C0B4

accent

#4012D4

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #5BC3E4

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

Preview Lab → · Contrast checker → · Palette generator →