#3BB1CB#3BB1CB

#3BB1CB is a light, moderate cyan. Relative luminance 0.367; OKLCH L 70.6% C 0.108 H 215.6°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3BB1CB
RGB	rgb(59, 177, 203)
HSL	hsl(191, 58%, 51%)
HSV	hsv(191, 71%, 80%)
CMYK	cmyk(70.9%, 12.8%, 0%, 20.4%)
CIE-LAB	lab(67.04, -24.04, -22.67)
CIE-LCH	lch(67.04, 33.05, 223.32°)
OKLab	oklab(70.63% -0.0881 -0.0632)
OKLCH	oklch(70.63% 0.108 215.6)
XYZ	xyz(28.3007, 36.6826, 62.0772)
Luminance	0.3669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB1CB #CB553B

analogous

#3BCB9D #3BB1CB #3B69CB

triadic

#3BB1CB #CB3BB1 #B1CB3B

tetradic

#3BB1CB #9D3BCB #CB553B #69CB3B

square

#3BB1CB #9D3BCB #CB553B #69CB3B

split-complementary

#3BB1CB #CB3B69 #CB9D3B

monochromatic

#1D606E #2A8A9F #3BB1CB #6BC4D8 #9CD7E5

Accessibility & contrast

On white

2.52

#3BB1CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#3BB1CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB1CB

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB1CB	#FFFFFF	#000000	##000000
##3BB1CB	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FACCC

Deuteranopia (green-blind)

#8B9DCB

Tritanopia (blue-blind)

#00BAB9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #3bb1cb;
/* rgb */ color: rgb(59, 177, 203);
/* oklch */ color: oklch(70.6% 0.108 215.6);

Tailwind

colors: {
  custom: {
    50: '#84c8da',
    500: '#3bb1cb',
    950: '#000000',
  },
}

SCSS

$custom: #3bb1cb;
$custom-light: #84c8da;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb1cb",
  "rgb": {
    "r": 59,
    "g": 177,
    "b": 203
  },
  "hsl": {
    "h": 190.833,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.7063,
    "c": 0.10842,
    "h": 215.6
  },
  "luminance": 0.36686
}

Semantic roles & 50–950 ramp

primary

#3BB1CB

secondary

#D19D91

accent

#6247E1

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #3BB1CB

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

Preview Lab → · Contrast checker → · Palette generator →