#5BB3D3#5BB3D3

#5BB3D3 is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.5% C 0.096 H 224.4°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3D3
RGB	rgb(91, 179, 211)
HSL	hsl(196, 58%, 59%)
HSV	hsv(196, 57%, 83%)
CMYK	cmyk(56.9%, 15.2%, 0%, 17.3%)
CIE-LAB	lab(68.87, -17.31, -24.19)
CIE-LCH	lch(68.87, 29.74, 234.42°)
OKLab	oklab(72.46% -0.0688 -0.0672)
OKLCH	oklch(72.46% 0.096 224.4)
XYZ	xyz(32.1878, 39.1645, 67.4786)
Luminance	0.3917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3D3 #D37B5B

analogous

#5BD3B7 #5BB3D3 #5B77D3

triadic

#5BB3D3 #D35BB3 #B3D35B

tetradic

#5BB3D3 #B75BD3 #D37B5B #77D35B

square

#5BB3D3 #B75BD3 #D37B5B #77D35B

split-complementary

#5BB3D3 #D35B77 #D3B75B

monochromatic

#26728E #3399BE #5BB3D3 #8BC9E0 #BCE0ED

Accessibility & contrast

On white

2.38

#5BB3D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#5BB3D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3D3

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3D3	#FFFFFF	#000000	##000000
##5BB3D3	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1AFD5

Deuteranopia (green-blind)

#90A2D3

Tritanopia (blue-blind)

#00BDBD

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #5bb3d3;
/* rgb */ color: rgb(91, 179, 211);
/* oklch */ color: oklch(72.5% 0.096 224.4);

Tailwind

colors: {
  custom: {
    50: '#93c9e0',
    500: '#5bb3d3',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3d3;
$custom-light: #93c9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3d3",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 211
  },
  "hsl": {
    "h": 196,
    "s": 57.692,
    "l": 59.216
  },
  "oklch": {
    "l": 0.72462,
    "c": 0.09619,
    "h": 224.4
  },
  "luminance": 0.39167
}

Semantic roles & 50–950 ramp

primary

#5BB3D3

secondary

#DCBAAD

accent

#7047E1

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB3D3

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

Preview Lab → · Contrast checker → · Palette generator →