#5BBBCF#5BBBCF

#5BBBCF is a light, moderate cyan. Relative luminance 0.423; OKLCH L 74.2% C 0.094 H 213.2°. Best body text is #000000 at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBCF
RGB	rgb(91, 187, 207)
HSL	hsl(190, 55%, 58%)
HSV	hsv(190, 56%, 81%)
CMYK	cmyk(56%, 9.7%, 0%, 18.8%)
CIE-LAB	lab(71.05, -22.60, -18.67)
CIE-LCH	lch(71.05, 29.32, 219.56°)
OKLab	oklab(74.16% -0.0791 -0.0517)
OKLCH	oklch(74.16% 0.094 213.2)
XYZ	xyz(33.3427, 42.2666, 65.4205)
Luminance	0.4227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBCF #CF6F5B

analogous

#5BCFA9 #5BBBCF #5B81CF

triadic

#5BBBCF #CF5BBB #BBCF5B

tetradic

#5BBBCF #A95BCF #CF6F5B #81CF5B

square

#5BBBCF #A95BCF #CF6F5B #81CF5B

split-complementary

#5BBBCF #CF5B81 #CFA95B

monochromatic

#287788 #36A1B7 #5BBBCF #8ACFDD #BAE2EB

Accessibility & contrast

On white

2.22

#5BBBCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.45

#5BBBCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBCF

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBCF	#FFFFFF	#000000	##000000
##5BBBCF	1.00	2.22	9.45	9.45
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.45	21.00	1.00	1.00
##000000	9.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB5D0

Deuteranopia (green-blind)

#9AA8CF

Tritanopia (blue-blind)

#00C3C1

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #5bbbcf;
/* rgb */ color: rgb(91, 187, 207);
/* oklch */ color: oklch(74.2% 0.094 213.2);

Tailwind

colors: {
  custom: {
    50: '#93cfdd',
    500: '#5bbbcf',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbcf;
$custom-light: #93cfdd;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbcf",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 207
  },
  "hsl": {
    "h": 190.345,
    "s": 54.717,
    "l": 58.431
  },
  "oklch": {
    "l": 0.74164,
    "c": 0.09446,
    "h": 213.2
  },
  "luminance": 0.4227
}

Semantic roles & 50–950 ramp

primary

#5BBBCF

secondary

#DAB4AC

accent

#634ADE

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #5BBBCF

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

Preview Lab → · Contrast checker → · Palette generator →