#5BD1EA#5BD1EA

#5BD1EA is a light, moderate cyan. Relative luminance 0.538; OKLCH L 80.3% C 0.111 H 213.9°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#5BD1EA
RGB	rgb(91, 209, 234)
HSL	hsl(190, 77%, 64%)
HSV	hsv(190, 61%, 92%)
CMYK	cmyk(61.1%, 10.7%, 0%, 8.2%)
CIE-LAB	lab(78.32, -25.84, -22.24)
CIE-LCH	lch(78.32, 34.10, 220.72°)
OKLab	oklab(80.3% -0.0918 -0.0617)
OKLCH	oklch(80.3% 0.111 213.9)
XYZ	xyz(41.9601, 53.7612, 85.9916)
Luminance	0.5377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BD1EA #EA745B

analogous

#5BEABC #5BD1EA #5B89EA

triadic

#5BD1EA #EA5BD1 #D1EA5B

tetradic

#5BD1EA #BC5BEA #EA745B #89EA5B

square

#5BD1EA #BC5BEA #EA745B #89EA5B

split-complementary

#5BD1EA #EA5B89 #EABC5B

monochromatic

#1798B4 #25C2E3 #5BD1EA #91E0F1 #C8EFF8

Accessibility & contrast

On white

1.79

#5BD1EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#5BD1EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD1EA

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BD1EA	#FFFFFF	#000000	##000000
##5BD1EA	1.00	1.79	11.75	11.75
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.75	21.00	1.00	1.00
##000000	11.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFCBEB

Deuteranopia (green-blind)

#AABBEA

Tritanopia (blue-blind)

#00DBD9

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #5bd1ea;
/* rgb */ color: rgb(91, 209, 234);
/* oklch */ color: oklch(80.3% 0.111 213.9);

Tailwind

colors: {
  custom: {
    50: '#97dff0',
    500: '#5bd1ea',
    950: '#000000',
  },
}

SCSS

$custom: #5bd1ea;
$custom-light: #97dff0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bd1ea",
  "rgb": {
    "r": 91,
    "g": 209,
    "b": 234
  },
  "hsl": {
    "h": 190.49,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.80297,
    "c": 0.11062,
    "h": 213.9
  },
  "luminance": 0.53766
}

Semantic roles & 50–950 ramp

primary

#5BD1EA

secondary

#B44C36

accent

#300CDA

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #5BD1EA

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

Preview Lab → · Contrast checker → · Palette generator →