#5BBBD5#5BBBD5

#5BBBD5 is a light, moderate cyan. Relative luminance 0.426; OKLCH L 74.4% C 0.097 H 218.0°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBD5
RGB	rgb(91, 187, 213)
HSL	hsl(193, 59%, 60%)
HSV	hsv(193, 57%, 84%)
CMYK	cmyk(57.3%, 12.2%, 0%, 16.5%)
CIE-LAB	lab(71.26, -20.87, -21.64)
CIE-LCH	lch(71.26, 30.06, 226.04°)
OKLab	oklab(74.4% -0.0767 -0.06)
OKLCH	oklch(74.4% 0.097 218)
XYZ	xyz(34.0902, 42.5656, 69.3573)
Luminance	0.4257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBD5 #D5755B

analogous

#5BD5B2 #5BBBD5 #5B7ED5

triadic

#5BBBD5 #D55BBB #BBD55B

tetradic

#5BBBD5 #B25BD5 #D5755B #7ED55B

square

#5BBBD5 #B25BD5 #D5755B #7ED55B

split-complementary

#5BBBD5 #D55B7E #D5B25B

monochromatic

#257A91 #32A3C1 #5BBBD5 #8CCFE1 #BCE3EE

Accessibility & contrast

On white

2.21

#5BBBD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#5BBBD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBD5

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBD5	#FFFFFF	#000000	##000000
##5BBBD5	1.00	2.21	9.51	9.51
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.51	21.00	1.00	1.00
##000000	9.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB6D6

Deuteranopia (green-blind)

#98A9D5

Tritanopia (blue-blind)

#00C4C3

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #5bbbd5;
/* rgb */ color: rgb(91, 187, 213);
/* oklch */ color: oklch(74.4% 0.097 218.0);

Tailwind

colors: {
  custom: {
    50: '#94cfe2',
    500: '#5bbbd5',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbd5;
$custom-light: #94cfe2;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbd5",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 213
  },
  "hsl": {
    "h": 192.787,
    "s": 59.223,
    "l": 59.608
  },
  "oklch": {
    "l": 0.74396,
    "c": 0.09741,
    "h": 218
  },
  "luminance": 0.42569
}

Semantic roles & 50–950 ramp

primary

#5BBBD5

secondary

#DEB8AE

accent

#6745E2

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #5BBBD5

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

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