#5BBCD3#5BBCD3

#5BBCD3 is a light, moderate cyan. Relative luminance 0.429; OKLCH L 74.6% C 0.097 H 215.5°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#5BBCD3
RGB	rgb(91, 188, 211)
HSL	hsl(192, 58%, 59%)
HSV	hsv(192, 57%, 83%)
CMYK	cmyk(56.9%, 10.9%, 0%, 17.3%)
CIE-LAB	lab(71.48, -21.96, -20.21)
CIE-LCH	lch(71.48, 29.84, 222.62°)
OKLab	oklab(74.55% -0.0786 -0.056)
OKLCH	oklch(74.55% 0.097 215.5)
XYZ	xyz(34.0508, 42.8905, 68.0996)
Luminance	0.4289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBCD3 #D3725B

analogous

#5BD3AE #5BBCD3 #5B80D3

triadic

#5BBCD3 #D35BBC #BCD35B

tetradic

#5BBCD3 #AE5BD3 #D3725B #80D35B

square

#5BBCD3 #AE5BD3 #D3725B #80D35B

split-complementary

#5BBCD3 #D35B80 #D3AE5B

monochromatic

#267A8E #33A3BE #5BBCD3 #8BD0E0 #BCE3ED

Accessibility & contrast

On white

2.19

#5BBCD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.58

#5BBCD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBCD3

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBCD3	#FFFFFF	#000000	##000000
##5BBCD3	1.00	2.19	9.58	9.58
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.58	21.00	1.00	1.00
##000000	9.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB7D4

Deuteranopia (green-blind)

#9AA9D3

Tritanopia (blue-blind)

#00C5C3

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bbcd3;
/* rgb */ color: rgb(91, 188, 211);
/* oklch */ color: oklch(74.6% 0.097 215.5);

Tailwind

colors: {
  custom: {
    50: '#94d0e0',
    500: '#5bbcd3',
    950: '#000000',
  },
}

SCSS

$custom: #5bbcd3;
$custom-light: #94d0e0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbcd3",
  "rgb": {
    "r": 91,
    "g": 188,
    "b": 211
  },
  "hsl": {
    "h": 191.5,
    "s": 57.692,
    "l": 59.216
  },
  "oklch": {
    "l": 0.7455,
    "c": 0.0965,
    "h": 215.5
  },
  "luminance": 0.42894
}

Semantic roles & 50–950 ramp

primary

#5BBCD3

secondary

#DCB6AD

accent

#6447E1

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #5BBCD3

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

Preview Lab → · Contrast checker → · Palette generator →