#3BB3CF#3BB3CF

#3BB3CF is a light, moderate cyan. Relative luminance 0.377; OKLCH L 71.3% C 0.111 H 216.8°. Best body text is #000000 at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#3BB3CF
RGB	rgb(59, 179, 207)
HSL	hsl(191, 61%, 52%)
HSV	hsv(191, 71%, 81%)
CMYK	cmyk(71.5%, 13.5%, 0%, 18.8%)
CIE-LAB	lab(67.78, -23.80, -23.74)
CIE-LCH	lch(67.78, 33.62, 224.93°)
OKLab	oklab(71.27% -0.0885 -0.0662)
OKLCH	oklch(71.27% 0.111 216.8)
XYZ	xyz(29.1815, 37.6716, 64.7528)
Luminance	0.3767 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB3CF #CF573B

analogous

#3BCFA1 #3BB3CF #3B69CF

triadic

#3BB3CF #CF3BB3 #B3CF3B

tetradic

#3BB3CF #A13BCF #CF573B #69CF3B

square

#3BB3CF #A13BCF #CF573B #69CF3B

split-complementary

#3BB3CF #CF3B69 #CFA13B

monochromatic

#1C6373 #288DA5 #3BB3CF #6CC6DB #9DD9E7

Accessibility & contrast

On white

2.46

#3BB3CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.53

#3BB3CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB3CF

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB3CF	#FFFFFF	#000000	##000000
##3BB3CF	1.00	2.46	8.53	8.53
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.53	21.00	1.00	1.00
##000000	8.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0AED1

Deuteranopia (green-blind)

#8C9FCF

Tritanopia (blue-blind)

#00BDBC

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #3bb3cf;
/* rgb */ color: rgb(59, 179, 207);
/* oklch */ color: oklch(71.3% 0.111 216.8);

Tailwind

colors: {
  custom: {
    50: '#85cadd',
    500: '#3bb3cf',
    950: '#000000',
  },
}

SCSS

$custom: #3bb3cf;
$custom-light: #85cadd;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb3cf",
  "rgb": {
    "r": 59,
    "g": 179,
    "b": 207
  },
  "hsl": {
    "h": 191.351,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.71273,
    "c": 0.11055,
    "h": 216.8
  },
  "luminance": 0.37675
}

Semantic roles & 50–950 ramp

primary

#3BB3CF

secondary

#D39F93

accent

#6244E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #3BB3CF

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

Preview Lab → · Contrast checker → · Palette generator →