#3BB5D5#3BB5D5

#3BB5D5 is a light, moderate cyan. Relative luminance 0.388; OKLCH L 72.0% C 0.114 H 219.3°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#3BB5D5
RGB	rgb(59, 181, 213)
HSL	hsl(192, 65%, 53%)
HSV	hsv(192, 72%, 84%)
CMYK	cmyk(72.3%, 15%, 0%, 16.5%)
CIE-LAB	lab(68.59, -22.93, -25.80)
CIE-LCH	lch(68.59, 34.51, 228.37°)
OKLab	oklab(72% -0.0882 -0.072)
OKLCH	oklch(72% 0.114 219.3)
XYZ	xyz(30.3327, 38.7781, 68.8242)
Luminance	0.3878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB5D5 #D55B3B

analogous

#3BD5A8 #3BB5D5 #3B68D5

triadic

#3BB5D5 #D53BB5 #B5D53B

tetradic

#3BB5D5 #A83BD5 #D55B3B #68D53B

square

#3BB5D5 #A83BD5 #D55B3B #68D53B

split-complementary

#3BB5D5 #D53B68 #D5A83B

monochromatic

#1A677B #2591AE #3BB5D5 #6DC8E0 #A0DBEB

Accessibility & contrast

On white

2.40

#3BB5D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#3BB5D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB5D5

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB5D5	#FFFFFF	#000000	##000000
##3BB5D5	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B0D7

Deuteranopia (green-blind)

#8CA1D5

Tritanopia (blue-blind)

#00C0BF

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #3bb5d5;
/* rgb */ color: rgb(59, 181, 213);
/* oklch */ color: oklch(72.0% 0.114 219.3);

Tailwind

colors: {
  custom: {
    50: '#86cbe2',
    500: '#3bb5d5',
    950: '#000000',
  },
}

SCSS

$custom: #3bb5d5;
$custom-light: #86cbe2;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb5d5",
  "rgb": {
    "r": 59,
    "g": 181,
    "b": 213
  },
  "hsl": {
    "h": 192.468,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.71998,
    "c": 0.11385,
    "h": 219.3
  },
  "luminance": 0.38782
}

Semantic roles & 50–950 ramp

primary

#3BB5D5

secondary

#D7A395

accent

#6340E8

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3BB5D5

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

Preview Lab → · Contrast checker → · Palette generator →