#3FB5D5#3FB5D5

#3FB5D5 is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.1% C 0.112 H 219.7°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#3FB5D5
RGB	rgb(63, 181, 213)
HSL	hsl(193, 64%, 54%)
HSV	hsv(193, 70%, 84%)
CMYK	cmyk(70.4%, 15%, 0%, 16.5%)
CIE-LAB	lab(68.68, -22.40, -25.65)
CIE-LCH	lch(68.68, 34.05, 228.86°)
OKLab	oklab(72.1% -0.0863 -0.0716)
OKLCH	oklch(72.1% 0.112 219.7)
XYZ	xyz(30.5790, 38.9051, 68.8357)
Luminance	0.3891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB5D5 #D55F3F

analogous

#3FD5AA #3FB5D5 #3F6AD5

triadic

#3FB5D5 #D53FB5 #B5D53F

tetradic

#3FB5D5 #AA3FD5 #D55F3F #6AD53F

square

#3FB5D5 #AA3FD5 #D55F3F #6AD53F

split-complementary

#3FB5D5 #D53F6A #D5AA3F

monochromatic

#1C697E #2793B0 #3FB5D5 #71C8E0 #A3DCEB

Accessibility & contrast

On white

2.39

#3FB5D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#3FB5D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB5D5

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB5D5	#FFFFFF	#000000	##000000
##3FB5D5	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B0D7

Deuteranopia (green-blind)

#8CA1D5

Tritanopia (blue-blind)

#00C0BF

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #3fb5d5;
/* rgb */ color: rgb(63, 181, 213);
/* oklch */ color: oklch(72.1% 0.112 219.7);

Tailwind

colors: {
  custom: {
    50: '#87cbe2',
    500: '#3fb5d5',
    950: '#000000',
  },
}

SCSS

$custom: #3fb5d5;
$custom-light: #87cbe2;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb5d5",
  "rgb": {
    "r": 63,
    "g": 181,
    "b": 213
  },
  "hsl": {
    "h": 192.8,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.72099,
    "c": 0.11215,
    "h": 219.7
  },
  "luminance": 0.38909
}

Semantic roles & 50–950 ramp

primary

#3FB5D5

secondary

#D8A698

accent

#6441E7

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3FB5D5

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

Preview Lab → · Contrast checker → · Palette generator →