#3BB1CD#3BB1CD

#3BB1CD is a light, moderate cyan. Relative luminance 0.368; OKLCH L 70.7% C 0.109 H 217.1°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#3BB1CD
RGB	rgb(59, 177, 205)
HSL	hsl(192, 59%, 52%)
HSV	hsv(192, 71%, 80%)
CMYK	cmyk(71.2%, 13.7%, 0%, 19.6%)
CIE-LAB	lab(67.11, -23.42, -23.66)
CIE-LCH	lch(67.11, 33.29, 225.30°)
OKLab	oklab(70.71% -0.0873 -0.066)
OKLCH	oklch(70.71% 0.109 217.1)
XYZ	xyz(28.5406, 36.7786, 63.3406)
Luminance	0.3678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB1CD #CD573B

analogous

#3BCDA0 #3BB1CD #3B68CD

triadic

#3BB1CD #CD3BB1 #B1CD3B

tetradic

#3BB1CD #A03BCD #CD573B #68CD3B

square

#3BB1CD #A03BCD #CD573B #68CD3B

split-complementary

#3BB1CD #CD3B68 #CDA03B

monochromatic

#1D6171 #298AA2 #3BB1CD #6CC4D9 #9DD8E6

Accessibility & contrast

On white

2.51

#3BB1CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.36

#3BB1CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB1CD

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB1CD	#FFFFFF	#000000	##000000
##3BB1CD	1.00	2.51	8.36	8.36
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.36	21.00	1.00	1.00
##000000	8.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FACCF

Deuteranopia (green-blind)

#8A9DCD

Tritanopia (blue-blind)

#00BBBA

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #3bb1cd;
/* rgb */ color: rgb(59, 177, 205);
/* oklch */ color: oklch(70.7% 0.109 217.1);

Tailwind

colors: {
  custom: {
    50: '#84c8dc',
    500: '#3bb1cd',
    950: '#000000',
  },
}

SCSS

$custom: #3bb1cd;
$custom-light: #84c8dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb1cd",
  "rgb": {
    "r": 59,
    "g": 177,
    "b": 205
  },
  "hsl": {
    "h": 191.507,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.70712,
    "c": 0.10946,
    "h": 217.1
  },
  "luminance": 0.36782
}

Semantic roles & 50–950 ramp

primary

#3BB1CD

secondary

#D29E92

accent

#6345E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #3BB1CD

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

Preview Lab → · Contrast checker → · Palette generator →