#3BB5D0#3BB5D0

#3BB5D0 is a light, moderate cyan. Relative luminance 0.385; OKLCH L 71.8% C 0.111 H 215.8°. Best body text is #000000 at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3BB5D0
RGB	rgb(59, 181, 208)
HSL	hsl(191, 61%, 52%)
HSV	hsv(191, 72%, 82%)
CMYK	cmyk(71.6%, 13%, 0%, 18.4%)
CIE-LAB	lab(68.41, -24.50, -23.33)
CIE-LCH	lch(68.41, 33.83, 223.59°)
OKLab	oklab(71.79% -0.0901 -0.065)
OKLCH	oklch(71.79% 0.111 215.8)
XYZ	xyz(29.7079, 38.5282, 65.5333)
Luminance	0.3853 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB5D0 #D0563B

analogous

#3BD0A0 #3BB5D0 #3B6BD0

triadic

#3BB5D0 #D03BB5 #B5D03B

tetradic

#3BB5D0 #A03BD0 #D0563B #6BD03B

square

#3BB5D0 #A03BD0 #D0563B #6BD03B

split-complementary

#3BB5D0 #D03B6B #D0A03B

monochromatic

#1C6575 #288FA6 #3BB5D0 #6CC8DC #9EDAE8

Accessibility & contrast

On white

2.41

#3BB5D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.71

#3BB5D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB5D0

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB5D0	#FFFFFF	#000000	##000000
##3BB5D0	1.00	2.41	8.71	8.71
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.71	21.00	1.00	1.00
##000000	8.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AFD2

Deuteranopia (green-blind)

#8EA0D0

Tritanopia (blue-blind)

#00BFBD

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #3bb5d0;
/* rgb */ color: rgb(59, 181, 208);
/* oklch */ color: oklch(71.8% 0.111 215.8);

Tailwind

colors: {
  custom: {
    50: '#85cbde',
    500: '#3bb5d0',
    950: '#000000',
  },
}

SCSS

$custom: #3bb5d0;
$custom-light: #85cbde;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb5d0",
  "rgb": {
    "r": 59,
    "g": 181,
    "b": 208
  },
  "hsl": {
    "h": 190.872,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.71791,
    "c": 0.11111,
    "h": 215.8
  },
  "luminance": 0.38532
}

Semantic roles & 50–950 ramp

primary

#3BB5D0

secondary

#D49F93

accent

#6143E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #3BB5D0

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

Preview Lab → · Contrast checker → · Palette generator →