#5BB9CF#5BB9CF

#5BB9CF is a light, moderate cyan. Relative luminance 0.414; OKLCH L 73.7% C 0.094 H 215.2°. Best body text is #000000 at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9CF
RGB	rgb(91, 185, 207)
HSL	hsl(191, 55%, 58%)
HSV	hsv(191, 56%, 81%)
CMYK	cmyk(56%, 10.6%, 0%, 18.8%)
CIE-LAB	lab(70.47, -21.58, -19.55)
CIE-LCH	lch(70.47, 29.12, 222.18°)
OKLab	oklab(73.7% -0.0769 -0.0542)
OKLCH	oklch(73.7% 0.094 215.2)
XYZ	xyz(32.9214, 41.4239, 65.2801)
Luminance	0.4143 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9CF #CF715B

analogous

#5BCFAB #5BB9CF #5B7FCF

triadic

#5BB9CF #CF5BB9 #B9CF5B

tetradic

#5BB9CF #AB5BCF #CF715B #7FCF5B

square

#5BB9CF #AB5BCF #CF715B #7FCF5B

split-complementary

#5BB9CF #CF5B7F #CFAB5B

monochromatic

#287688 #369FB7 #5BB9CF #8ACDDD #BAE1EB

Accessibility & contrast

On white

2.26

#5BB9CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.29

#5BB9CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9CF

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9CF	#FFFFFF	#000000	##000000
##5BB9CF	1.00	2.26	9.29	9.29
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.29	21.00	1.00	1.00
##000000	9.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B4D0

Deuteranopia (green-blind)

#98A7CF

Tritanopia (blue-blind)

#00C1C0

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #5bb9cf;
/* rgb */ color: rgb(91, 185, 207);
/* oklch */ color: oklch(73.7% 0.094 215.2);

Tailwind

colors: {
  custom: {
    50: '#93cedd',
    500: '#5bb9cf',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9cf;
$custom-light: #93cedd;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9cf",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 207
  },
  "hsl": {
    "h": 191.379,
    "s": 54.717,
    "l": 58.431
  },
  "oklch": {
    "l": 0.73697,
    "c": 0.09405,
    "h": 215.2
  },
  "luminance": 0.41427
}

Semantic roles & 50–950 ramp

primary

#5BB9CF

secondary

#DAB5AC

accent

#664ADE

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB9CF

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

Preview Lab → · Contrast checker → · Palette generator →