#5BB5CF#5BB5CF

#5BB5CF is a light, moderate cyan. Relative luminance 0.398; OKLCH L 72.8% C 0.094 H 219.2°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#5BB5CF
RGB	rgb(91, 181, 207)
HSL	hsl(193, 55%, 58%)
HSV	hsv(193, 56%, 81%)
CMYK	cmyk(56%, 12.6%, 0%, 18.8%)
CIE-LAB	lab(69.31, -19.52, -21.32)
CIE-LCH	lch(69.31, 28.91, 227.52°)
OKLab	oklab(72.77% -0.0725 -0.0591)
OKLCH	oklch(72.77% 0.094 219.2)
XYZ	xyz(32.0963, 39.7739, 65.0051)
Luminance	0.3978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB5CF #CF755B

analogous

#5BCFAF #5BB5CF #5B7BCF

triadic

#5BB5CF #CF5BB5 #B5CF5B

tetradic

#5BB5CF #AF5BCF #CF755B #7BCF5B

square

#5BB5CF #AF5BCF #CF755B #7BCF5B

split-complementary

#5BB5CF #CF5B7B #CFAF5B

monochromatic

#287288 #369AB7 #5BB5CF #8ACADD #BAE0EB

Accessibility & contrast

On white

2.34

#5BB5CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#5BB5CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5CF

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB5CF	#FFFFFF	#000000	##000000
##5BB5CF	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B1D0

Deuteranopia (green-blind)

#93A4CF

Tritanopia (blue-blind)

#00BEBD

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #5bb5cf;
/* rgb */ color: rgb(91, 181, 207);
/* oklch */ color: oklch(72.8% 0.094 219.2);

Tailwind

colors: {
  custom: {
    50: '#93cbdd',
    500: '#5bb5cf',
    950: '#000000',
  },
}

SCSS

$custom: #5bb5cf;
$custom-light: #93cbdd;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb5cf",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 207
  },
  "hsl": {
    "h": 193.448,
    "s": 54.717,
    "l": 58.431
  },
  "oklch": {
    "l": 0.72765,
    "c": 0.09355,
    "h": 219.2
  },
  "luminance": 0.39777
}

Semantic roles & 50–950 ramp

primary

#5BB5CF

secondary

#DAB6AC

accent

#6B4ADE

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB5CF

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

Preview Lab → · Contrast checker → · Palette generator →