#5BC1E4#5BC1E4

#5BC1E4 is a light, moderate cyan. Relative luminance 0.460; OKLCH L 76.4% C 0.107 H 223.4°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#5BC1E4
RGB	rgb(91, 193, 228)
HSL	hsl(195, 72%, 63%)
HSV	hsv(195, 60%, 89%)
CMYK	cmyk(60.1%, 15.4%, 0%, 10.6%)
CIE-LAB	lab(73.52, -19.53, -26.34)
CIE-LCH	lch(73.52, 32.79, 233.44°)
OKLab	oklab(76.38% -0.0774 -0.0733)
OKLCH	oklch(76.38% 0.107 223.4)
XYZ	xyz(37.3824, 45.9618, 80.2852)
Luminance	0.4597 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC1E4 #E47E5B

analogous

#5BE4C2 #5BC1E4 #5B7DE4

triadic

#5BC1E4 #E45BC1 #C1E45B

tetradic

#5BC1E4 #C25BE4 #E47E5B #7DE45B

square

#5BC1E4 #C25BE4 #E47E5B #7DE45B

split-complementary

#5BC1E4 #E45B7D #E4C25B

monochromatic

#1C85A9 #26ADDB #5BC1E4 #90D5ED #C4E9F5

Accessibility & contrast

On white

2.06

#5BC1E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#5BC1E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC1E4

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC1E4	#FFFFFF	#000000	##000000
##5BC1E4	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADBDE6

Deuteranopia (green-blind)

#99AEE4

Tritanopia (blue-blind)

#00CCCC

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #5bc1e4;
/* rgb */ color: rgb(91, 193, 228);
/* oklch */ color: oklch(76.4% 0.107 223.4);

Tailwind

colors: {
  custom: {
    50: '#95d3ec',
    500: '#5bc1e4',
    950: '#000000',
  },
}

SCSS

$custom: #5bc1e4;
$custom-light: #95d3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc1e4",
  "rgb": {
    "r": 91,
    "g": 193,
    "b": 228
  },
  "hsl": {
    "h": 195.328,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.76381,
    "c": 0.10665,
    "h": 223.4
  },
  "luminance": 0.45966
}

Semantic roles & 50–950 ramp

primary

#5BC1E4

secondary

#E6C1B4

accent

#4312D4

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BC1E4

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

Preview Lab → · Contrast checker → · Palette generator →