#3BB0CB#3BB0CB

#3BB0CB is a light, moderate cyan. Relative luminance 0.363; OKLCH L 70.4% C 0.108 H 216.5°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#3BB0CB
RGB	rgb(59, 176, 203)
HSL	hsl(191, 58%, 51%)
HSV	hsv(191, 71%, 80%)
CMYK	cmyk(70.9%, 13.3%, 0%, 20.4%)
CIE-LAB	lab(66.74, -23.53, -23.13)
CIE-LCH	lch(66.74, 33.00, 224.50°)
OKLab	oklab(70.39% -0.0871 -0.0645)
OKLCH	oklch(70.39% 0.108 216.5)
XYZ	xyz(28.1039, 36.2890, 62.0117)
Luminance	0.3629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB0CB #CB563B

analogous

#3BCB9E #3BB0CB #3B68CB

triadic

#3BB0CB #CB3BB0 #B0CB3B

tetradic

#3BB0CB #9E3BCB #CB563B #68CB3B

square

#3BB0CB #9E3BCB #CB563B #68CB3B

split-complementary

#3BB0CB #CB3B68 #CB9E3B

monochromatic

#1D5F6E #2A899F #3BB0CB #6BC3D8 #9CD7E5

Accessibility & contrast

On white

2.54

#3BB0CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#3BB0CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB0CB

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB0CB	#FFFFFF	#000000	##000000
##3BB0CB	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EABCD

Deuteranopia (green-blind)

#8A9CCB

Tritanopia (blue-blind)

#00BAB8

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #3bb0cb;
/* rgb */ color: rgb(59, 176, 203);
/* oklch */ color: oklch(70.4% 0.108 216.5);

Tailwind

colors: {
  custom: {
    50: '#84c7da',
    500: '#3bb0cb',
    950: '#000000',
  },
}

SCSS

$custom: #3bb0cb;
$custom-light: #84c7da;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb0cb",
  "rgb": {
    "r": 59,
    "g": 176,
    "b": 203
  },
  "hsl": {
    "h": 191.25,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.7039,
    "c": 0.10839,
    "h": 216.5
  },
  "luminance": 0.36292
}

Semantic roles & 50–950 ramp

primary

#3BB0CB

secondary

#D19D91

accent

#6447E1

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #3BB0CB

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

Preview Lab → · Contrast checker → · Palette generator →