#5BBBD4#5BBBD4

#5BBBD4 is a light, moderate cyan. Relative luminance 0.425; OKLCH L 74.4% C 0.097 H 217.3°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBD4
RGB	rgb(91, 187, 212)
HSL	hsl(192, 58%, 59%)
HSV	hsv(192, 57%, 83%)
CMYK	cmyk(57.1%, 11.8%, 0%, 16.9%)
CIE-LAB	lab(71.22, -21.16, -21.14)
CIE-LCH	lch(71.22, 29.91, 224.98°)
OKLab	oklab(74.36% -0.0771 -0.0586)
OKLCH	oklch(74.36% 0.097 217.3)
XYZ	xyz(33.9637, 42.5150, 68.6909)
Luminance	0.4252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBD4 #D4745B

analogous

#5BD4B1 #5BBBD4 #5B7FD4

triadic

#5BBBD4 #D45BBB #BBD45B

tetradic

#5BBBD4 #B15BD4 #D4745B #7FD45B

square

#5BBBD4 #B15BD4 #D4745B #7FD45B

split-complementary

#5BBBD4 #D45B7F #D4B15B

monochromatic

#26798F #32A2C0 #5BBBD4 #8BCFE1 #BCE3ED

Accessibility & contrast

On white

2.21

#5BBBD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#5BBBD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBD4

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBD4	#FFFFFF	#000000	##000000
##5BBBD4	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB6D5

Deuteranopia (green-blind)

#98A9D4

Tritanopia (blue-blind)

#00C4C3

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #5bbbd4;
/* rgb */ color: rgb(91, 187, 212);
/* oklch */ color: oklch(74.4% 0.097 217.3);

Tailwind

colors: {
  custom: {
    50: '#94cfe1',
    500: '#5bbbd4',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbd4;
$custom-light: #94cfe1;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbd4",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 212
  },
  "hsl": {
    "h": 192.397,
    "s": 58.454,
    "l": 59.412
  },
  "oklch": {
    "l": 0.74357,
    "c": 0.09687,
    "h": 217.3
  },
  "luminance": 0.42518
}

Semantic roles & 50–950 ramp

primary

#5BBBD4

secondary

#DDB8AE

accent

#6646E2

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #5BBBD4

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

Preview Lab → · Contrast checker → · Palette generator →