#3BB1CC#3BB1CC

#3BB1CC is a light, moderate cyan. Relative luminance 0.367; OKLCH L 70.7% C 0.109 H 216.4°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#3BB1CC
RGB	rgb(59, 177, 204)
HSL	hsl(191, 59%, 52%)
HSV	hsv(191, 71%, 80%)
CMYK	cmyk(71.1%, 13.2%, 0%, 20%)
CIE-LAB	lab(67.07, -23.73, -23.17)
CIE-LCH	lch(67.07, 33.16, 224.31°)
OKLab	oklab(70.67% -0.0877 -0.0646)
OKLCH	oklch(70.67% 0.109 216.4)
XYZ	xyz(28.4203, 36.7304, 62.7069)
Luminance	0.3673 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB1CC #CC563B

analogous

#3BCC9E #3BB1CC #3B69CC

triadic

#3BB1CC #CC3BB1 #B1CC3B

tetradic

#3BB1CC #9E3BCC #CC563B #69CC3B

square

#3BB1CC #9E3BCC #CC563B #69CC3B

split-complementary

#3BB1CC #CC3B69 #CC9E3B

monochromatic

#1D6070 #2A8AA0 #3BB1CC #6CC4D9 #9CD8E5

Accessibility & contrast

On white

2.52

#3BB1CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#3BB1CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB1CC

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB1CC	#FFFFFF	#000000	##000000
##3BB1CC	1.00	2.52	8.35	8.35
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.35	21.00	1.00	1.00
##000000	8.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FACCE

Deuteranopia (green-blind)

#8B9DCC

Tritanopia (blue-blind)

#00BBB9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #3bb1cc;
/* rgb */ color: rgb(59, 177, 204);
/* oklch */ color: oklch(70.7% 0.109 216.4);

Tailwind

colors: {
  custom: {
    50: '#84c8db',
    500: '#3bb1cc',
    950: '#000000',
  },
}

SCSS

$custom: #3bb1cc;
$custom-light: #84c8db;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb1cc",
  "rgb": {
    "r": 59,
    "g": 177,
    "b": 204
  },
  "hsl": {
    "h": 191.172,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.70671,
    "c": 0.10893,
    "h": 216.4
  },
  "luminance": 0.36734
}

Semantic roles & 50–950 ramp

primary

#3BB1CC

secondary

#D19D92

accent

#6346E2

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #3BB1CC

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

Preview Lab → · Contrast checker → · Palette generator →