#5BB5CB#5BB5CB

#5BB5CB is a light, moderate cyan. Relative luminance 0.396; OKLCH L 72.6% C 0.091 H 215.9°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#5BB5CB
RGB	rgb(91, 181, 203)
HSL	hsl(192, 52%, 58%)
HSV	hsv(192, 55%, 80%)
CMYK	cmyk(55.2%, 10.8%, 0%, 20.4%)
CIE-LAB	lab(69.17, -20.68, -19.34)
CIE-LCH	lch(69.17, 28.31, 223.07°)
OKLab	oklab(72.61% -0.074 -0.0536)
OKLCH	oklch(72.61% 0.091 215.9)
XYZ	xyz(31.6135, 39.5808, 62.4622)
Luminance	0.3958 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB5CB #CB715B

analogous

#5BCBA9 #5BB5CB #5B7DCB

triadic

#5BB5CB #CB5BB5 #B5CB5B

tetradic

#5BB5CB #A95BCB #CB715B #7DCB5B

square

#5BB5CB #A95BCB #CB715B #7DCB5B

split-complementary

#5BB5CB #CB5B7D #CBA95B

monochromatic

#297182 #3899B1 #5BB5CB #89CADA #B8DFE8

Accessibility & contrast

On white

2.36

#5BB5CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#5BB5CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5CB

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB5CB	#FFFFFF	#000000	##000000
##5BB5CB	1.00	2.36	8.92	8.92
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B0CC

Deuteranopia (green-blind)

#95A3CB

Tritanopia (blue-blind)

#00BDBC

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #5bb5cb;
/* rgb */ color: rgb(91, 181, 203);
/* oklch */ color: oklch(72.6% 0.091 215.9);

Tailwind

colors: {
  custom: {
    50: '#92cbda',
    500: '#5bb5cb',
    950: '#000000',
  },
}

SCSS

$custom: #5bb5cb;
$custom-light: #92cbda;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb5cb",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 203
  },
  "hsl": {
    "h": 191.786,
    "s": 51.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.72609,
    "c": 0.09138,
    "h": 215.9
  },
  "luminance": 0.39584
}

Semantic roles & 50–950 ramp

primary

#5BB5CB

secondary

#D7B3AA

accent

#694CDB

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB5CB

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

Preview Lab → · Contrast checker → · Palette generator →