#5BD4EF#5BD4EF

#5BD4EF is a light, moderate cyan. Relative luminance 0.555; OKLCH L 81.2% C 0.113 H 214.9°. Best body text is #000000 at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#5BD4EF
RGB	rgb(91, 212, 239)
HSL	hsl(191, 82%, 65%)
HSV	hsv(191, 62%, 94%)
CMYK	cmyk(61.9%, 11.3%, 0%, 6.3%)
CIE-LAB	lab(79.35, -25.88, -23.35)
CIE-LCH	lch(79.35, 34.86, 222.06°)
OKLab	oklab(81.18% -0.0929 -0.0649)
OKLCH	oklch(81.18% 0.113 214.9)
XYZ	xyz(43.4315, 55.5386, 90.0757)
Luminance	0.5554 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BD4EF #EF765B

analogous

#5BEFC0 #5BD4EF #5B8AEF

triadic

#5BD4EF #EF5BD4 #D4EF5B

tetradic

#5BD4EF #C05BEF #EF765B #8AEF5B

square

#5BD4EF #C05BEF #EF765B #8AEF5B

split-complementary

#5BD4EF #EF5B8A #EFC05B

monochromatic

#129EBD #23C5EA #5BD4EF #93E3F4 #CBF1FA

Accessibility & contrast

On white

1.73

#5BD4EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.11

#5BD4EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD4EF

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BD4EF	#FFFFFF	#000000	##000000
##5BD4EF	1.00	1.73	12.11	12.11
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.11	21.00	1.00	1.00
##000000	12.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1CEF1

Deuteranopia (green-blind)

#ABBEEF

Tritanopia (blue-blind)

#00DEDC

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #5bd4ef;
/* rgb */ color: rgb(91, 212, 239);
/* oklch */ color: oklch(81.2% 0.113 214.9);

Tailwind

colors: {
  custom: {
    50: '#98e1f4',
    500: '#5bd4ef',
    950: '#000000',
  },
}

SCSS

$custom: #5bd4ef;
$custom-light: #98e1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5bd4ef",
  "rgb": {
    "r": 91,
    "g": 212,
    "b": 239
  },
  "hsl": {
    "h": 190.946,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.81179,
    "c": 0.11332,
    "h": 214.9
  },
  "luminance": 0.55543
}

Semantic roles & 50–950 ramp

primary

#5BD4EF

secondary

#BC4C33

accent

#2E07DF

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BD4EF

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

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