#5BBFE4#5BBFE4

#5BBFE4 is a light, moderate cyan. Relative luminance 0.451; OKLCH L 75.9% C 0.107 H 225.2°. Best body text is #000000 at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#5BBFE4
RGB	rgb(91, 191, 228)
HSL	hsl(196, 72%, 63%)
HSV	hsv(196, 60%, 89%)
CMYK	cmyk(60.1%, 16.2%, 0%, 10.6%)
CIE-LAB	lab(72.95, -18.50, -27.22)
CIE-LCH	lch(72.95, 32.91, 235.80°)
OKLab	oklab(75.92% -0.0753 -0.0758)
OKLCH	oklch(75.92% 0.107 225.2)
XYZ	xyz(36.9433, 45.0835, 80.1388)
Luminance	0.4509 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBFE4 #E4805B

analogous

#5BE4C4 #5BBFE4 #5B7BE4

triadic

#5BBFE4 #E45BBF #BFE45B

tetradic

#5BBFE4 #C45BE4 #E4805B #7BE45B

square

#5BBFE4 #C45BE4 #E4805B #7BE45B

split-complementary

#5BBFE4 #E45B7B #E4C45B

monochromatic

#1C83A9 #26AADB #5BBFE4 #90D4ED #C4E8F5

Accessibility & contrast

On white

2.10

#5BBFE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.02

#5BBFE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBFE4

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBFE4	#FFFFFF	#000000	##000000
##5BBFE4	1.00	2.10	10.02	10.02
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.02	21.00	1.00	1.00
##000000	10.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBBE6

Deuteranopia (green-blind)

#97ADE4

Tritanopia (blue-blind)

#00CACB

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #5bbfe4;
/* rgb */ color: rgb(91, 191, 228);
/* oklch */ color: oklch(75.9% 0.107 225.2);

Tailwind

colors: {
  custom: {
    50: '#95d2ec',
    500: '#5bbfe4',
    950: '#000000',
  },
}

SCSS

$custom: #5bbfe4;
$custom-light: #95d2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbfe4",
  "rgb": {
    "r": 91,
    "g": 191,
    "b": 228
  },
  "hsl": {
    "h": 196.204,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.75922,
    "c": 0.10689,
    "h": 225.2
  },
  "luminance": 0.45087
}

Semantic roles & 50–950 ramp

primary

#5BBFE4

secondary

#E6C2B4

accent

#4612D4

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BBFE4

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

Preview Lab → · Contrast checker → · Palette generator →