#5BD3EE#5BD3EE

#5BD3EE is a light, moderate cyan. Relative luminance 0.550; OKLCH L 80.9% C 0.113 H 215.0°. Best body text is #000000 at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#5BD3EE
RGB	rgb(91, 211, 238)
HSL	hsl(191, 81%, 65%)
HSV	hsv(191, 62%, 93%)
CMYK	cmyk(61.8%, 11.3%, 0%, 6.7%)
CIE-LAB	lab(79.03, -25.67, -23.31)
CIE-LCH	lch(79.03, 34.67, 222.23°)
OKLab	oklab(80.91% -0.0923 -0.0647)
OKLCH	oklch(80.91% 0.113 215)
XYZ	xyz(43.0350, 54.9812, 89.2168)
Luminance	0.5499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BD3EE #EE765B

analogous

#5BEEBF #5BD3EE #5B8AEE

triadic

#5BD3EE #EE5BD3 #D3EE5B

tetradic

#5BD3EE #BF5BEE #EE765B #8AEE5B

square

#5BD3EE #BF5BEE #EE765B #8AEE5B

split-complementary

#5BD3EE #EE5B8A #EEBF5B

monochromatic

#139CBB #24C4E8 #5BD3EE #92E2F4 #CAF1F9

Accessibility & contrast

On white

1.75

#5BD3EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.00

#5BD3EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD3EE

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BD3EE	#FFFFFF	#000000	##000000
##5BD3EE	1.00	1.75	12.00	12.00
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.00	21.00	1.00	1.00
##000000	12.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0CDF0

Deuteranopia (green-blind)

#AABDEE

Tritanopia (blue-blind)

#00DDDB

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #5bd3ee;
/* rgb */ color: rgb(91, 211, 238);
/* oklch */ color: oklch(80.9% 0.113 215.0);

Tailwind

colors: {
  custom: {
    50: '#98e0f3',
    500: '#5bd3ee',
    950: '#000000',
  },
}

SCSS

$custom: #5bd3ee;
$custom-light: #98e0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5bd3ee",
  "rgb": {
    "r": 91,
    "g": 211,
    "b": 238
  },
  "hsl": {
    "h": 191.02,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.80911,
    "c": 0.11273,
    "h": 215
  },
  "luminance": 0.54986
}

Semantic roles & 50–950 ramp

primary

#5BD3EE

secondary

#BA4C33

accent

#2F08DE

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BD3EE

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

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