#5BB3D5#5BB3D5

#5BB3D5 is a light, moderate cyan. Relative luminance 0.393; OKLCH L 72.5% C 0.098 H 225.8°. Best body text is #000000 at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3D5
RGB	rgb(91, 179, 213)
HSL	hsl(197, 59%, 60%)
HSV	hsv(197, 57%, 84%)
CMYK	cmyk(57.3%, 16%, 0%, 16.5%)
CIE-LAB	lab(68.94, -16.71, -25.17)
CIE-LCH	lch(68.94, 30.22, 236.42°)
OKLab	oklab(72.55% -0.068 -0.07)
OKLCH	oklch(72.55% 0.098 225.8)
XYZ	xyz(32.4401, 39.2654, 68.8073)
Luminance	0.3927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3D5 #D57D5B

analogous

#5BD5BA #5BB3D5 #5B76D5

triadic

#5BB3D5 #D55BB3 #B3D55B

tetradic

#5BB3D5 #BA5BD5 #D57D5B #76D55B

square

#5BB3D5 #BA5BD5 #D57D5B #76D55B

split-complementary

#5BB3D5 #D55B76 #D5BA5B

monochromatic

#257391 #3299C1 #5BB3D5 #8CCAE1 #BCE0EE

Accessibility & contrast

On white

2.37

#5BB3D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.85

#5BB3D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3D5

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3D5	#FFFFFF	#000000	##000000
##5BB3D5	1.00	2.37	8.85	8.85
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.85	21.00	1.00	1.00
##000000	8.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B0D7

Deuteranopia (green-blind)

#8FA3D5

Tritanopia (blue-blind)

#00BDBE

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #5bb3d5;
/* rgb */ color: rgb(91, 179, 213);
/* oklch */ color: oklch(72.5% 0.098 225.8);

Tailwind

colors: {
  custom: {
    50: '#93c9e2',
    500: '#5bb3d5',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3d5;
$custom-light: #93c9e2;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3d5",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 213
  },
  "hsl": {
    "h": 196.721,
    "s": 59.223,
    "l": 59.608
  },
  "oklch": {
    "l": 0.72545,
    "c": 0.09765,
    "h": 225.8
  },
  "luminance": 0.39268
}

Semantic roles & 50–950 ramp

primary

#5BB3D5

secondary

#DEBBAE

accent

#7145E2

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB3D5

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

Preview Lab → · Contrast checker → · Palette generator →