#5BB4C8#5BB4C8

#5BB4C8 is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.3% C 0.090 H 214.3°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#5BB4C8
RGB	rgb(91, 180, 200)
HSL	hsl(191, 50%, 57%)
HSV	hsv(191, 55%, 78%)
CMYK	cmyk(54.5%, 10%, 0%, 21.6%)
CIE-LAB	lab(68.78, -21.03, -18.28)
CIE-LCH	lch(68.78, 27.87, 221.01°)
OKLab	oklab(72.26% -0.0741 -0.0506)
OKLCH	oklch(72.26% 0.09 214.3)
XYZ	xyz(31.0569, 39.0339, 60.5300)
Luminance	0.3904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB4C8 #C86F5B

analogous

#5BC8A6 #5BB4C8 #5B7EC8

triadic

#5BB4C8 #C85BB4 #B4C85B

tetradic

#5BB4C8 #A65BC8 #C86F5B #7EC85B

square

#5BB4C8 #A65BC8 #C86F5B #7EC85B

split-complementary

#5BB4C8 #C85B7E #C8A65B

monochromatic

#2A6F7E #3A97AC #5BB4C8 #89C9D7 #B7DEE7

Accessibility & contrast

On white

2.38

#5BB4C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#5BB4C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4C8

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB4C8	#FFFFFF	#000000	##000000
##5BB4C8	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5AFC9

Deuteranopia (green-blind)

#95A2C8

Tritanopia (blue-blind)

#00BCBA

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #5bb4c8;
/* rgb */ color: rgb(91, 180, 200);
/* oklch */ color: oklch(72.3% 0.090 214.3);

Tailwind

colors: {
  custom: {
    50: '#92cad8',
    500: '#5bb4c8',
    950: '#000000',
  },
}

SCSS

$custom: #5bb4c8;
$custom-light: #92cad8;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb4c8",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 200
  },
  "hsl": {
    "h": 191.009,
    "s": 49.772,
    "l": 57.059
  },
  "oklch": {
    "l": 0.72259,
    "c": 0.08974,
    "h": 214.3
  },
  "luminance": 0.39037
}

Semantic roles & 50–950 ramp

primary

#5BB4C8

secondary

#D6B1A9

accent

#684FD9

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1314

muted

#7E8283

Preview Lab

Preview with #5BB4C8

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

Preview Lab → · Contrast checker → · Palette generator →