#5BB3C8#5BB3C8

#5BB3C8 is a light, moderate cyan. Relative luminance 0.386; OKLCH L 72.0% C 0.090 H 215.4°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3C8
RGB	rgb(91, 179, 200)
HSL	hsl(192, 50%, 57%)
HSV	hsv(192, 55%, 78%)
CMYK	cmyk(54.5%, 10.5%, 0%, 21.6%)
CIE-LAB	lab(68.48, -20.51, -18.73)
CIE-LCH	lch(68.48, 27.78, 222.39°)
OKLab	oklab(72.02% -0.073 -0.0518)
OKLCH	oklch(72.02% 0.09 215.4)
XYZ	xyz(30.8557, 38.6316, 60.4630)
Luminance	0.3863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3C8 #C8705B

analogous

#5BC8A7 #5BB3C8 #5B7CC8

triadic

#5BB3C8 #C85BB3 #B3C85B

tetradic

#5BB3C8 #A75BC8 #C8705B #7CC85B

square

#5BB3C8 #A75BC8 #C8705B #7CC85B

split-complementary

#5BB3C8 #C85B7C #C8A75B

monochromatic

#2A6E7E #3A96AC #5BB3C8 #89C8D7 #B7DDE7

Accessibility & contrast

On white

2.41

#5BB3C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#5BB3C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3C8

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3C8	#FFFFFF	#000000	##000000
##5BB3C8	1.00	2.41	8.73	8.73
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4AEC9

Deuteranopia (green-blind)

#94A2C8

Tritanopia (blue-blind)

#00BBB9

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #5bb3c8;
/* rgb */ color: rgb(91, 179, 200);
/* oklch */ color: oklch(72.0% 0.090 215.4);

Tailwind

colors: {
  custom: {
    50: '#92cad8',
    500: '#5bb3c8',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3c8;
$custom-light: #92cad8;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3c8",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 200
  },
  "hsl": {
    "h": 191.56,
    "s": 49.772,
    "l": 57.059
  },
  "oklch": {
    "l": 0.72025,
    "c": 0.08954,
    "h": 215.4
  },
  "luminance": 0.38634
}

Semantic roles & 50–950 ramp

primary

#5BB3C8

secondary

#D6B2A9

accent

#694FD9

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1314

muted

#7E8283

Preview Lab

Preview with #5BB3C8

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

Preview Lab → · Contrast checker → · Palette generator →