#3FB5D1#3FB5D1

#3FB5D1 is a light, moderate cyan. Relative luminance 0.387; OKLCH L 71.9% C 0.110 H 216.9°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3FB5D1
RGB	rgb(63, 181, 209)
HSL	hsl(192, 61%, 53%)
HSV	hsv(192, 70%, 82%)
CMYK	cmyk(69.9%, 13.4%, 0%, 18%)
CIE-LAB	lab(68.54, -23.66, -23.67)
CIE-LCH	lch(68.54, 33.47, 225.02°)
OKLab	oklab(71.93% -0.0879 -0.066)
OKLCH	oklch(71.93% 0.11 216.9)
XYZ	xyz(30.0776, 38.7045, 66.1948)
Luminance	0.3871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB5D1 #D15B3F

analogous

#3FD1A4 #3FB5D1 #3F6CD1

triadic

#3FB5D1 #D13FB5 #B5D13F

tetradic

#3FB5D1 #A43FD1 #D15B3F #6CD13F

square

#3FB5D1 #A43FD1 #D15B3F #6CD13F

split-complementary

#3FB5D1 #D13F6C #D1A43F

monochromatic

#1D6779 #2991AA #3FB5D1 #70C8DD #A2DBE9

Accessibility & contrast

On white

2.40

#3FB5D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#3FB5D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB5D1

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB5D1	#FFFFFF	#000000	##000000
##3FB5D1	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B0D3

Deuteranopia (green-blind)

#8EA1D1

Tritanopia (blue-blind)

#00BFBE

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #3fb5d1;
/* rgb */ color: rgb(63, 181, 209);
/* oklch */ color: oklch(71.9% 0.110 216.9);

Tailwind

colors: {
  custom: {
    50: '#87cbdf',
    500: '#3fb5d1',
    950: '#000000',
  },
}

SCSS

$custom: #3fb5d1;
$custom-light: #87cbdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb5d1",
  "rgb": {
    "r": 63,
    "g": 181,
    "b": 209
  },
  "hsl": {
    "h": 191.507,
    "s": 61.345,
    "l": 53.333
  },
  "oklch": {
    "l": 0.71933,
    "c": 0.1099,
    "h": 216.9
  },
  "luminance": 0.38708
}

Semantic roles & 50–950 ramp

primary

#3FB5D1

secondary

#D5A397

accent

#6243E4

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3FB5D1

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

Preview Lab → · Contrast checker → · Palette generator →