#3FADD9#3FADD9

#3FADD9 is a light, moderate cyan. Relative luminance 0.360; OKLCH L 70.4% C 0.117 H 228.7°. Best body text is #000000 at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#3FADD9
RGB	rgb(63, 173, 217)
HSL	hsl(197, 67%, 55%)
HSV	hsv(197, 71%, 85%)
CMYK	cmyk(71%, 20.3%, 0%, 14.9%)
CIE-LAB	lab(66.48, -16.95, -31.23)
CIE-LCH	lch(66.48, 35.54, 241.52°)
OKLab	oklab(70.39% -0.077 -0.0876)
OKLCH	oklch(70.39% 0.117 228.7)
XYZ	xyz(29.5128, 35.9503, 71.0159)
Luminance	0.3595 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FADD9 #D96B3F

analogous

#3FD9B8 #3FADD9 #3F60D9

triadic

#3FADD9 #D93FAD #ADD93F

tetradic

#3FADD9 #B83FD9 #D96B3F #60D93F

square

#3FADD9 #B83FD9 #D96B3F #60D93F

split-complementary

#3FADD9 #D93F60 #D9B83F

monochromatic

#1A6584 #248DB7 #3FADD9 #72C3E3 #A5D9ED

Accessibility & contrast

On white

2.56

#3FADD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.19

#3FADD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FADD9

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FADD9	#FFFFFF	#000000	##000000
##3FADD9	1.00	2.56	8.19	8.19
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.19	21.00	1.00	1.00
##000000	8.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96AADB

Deuteranopia (green-blind)

#819BD8

Tritanopia (blue-blind)

#00B9BC

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #3fadd9;
/* rgb */ color: rgb(63, 173, 217);
/* oklch */ color: oklch(70.4% 0.117 228.7);

Tailwind

colors: {
  custom: {
    50: '#87c5e5',
    500: '#3fadd9',
    950: '#000000',
  },
}

SCSS

$custom: #3fadd9;
$custom-light: #87c5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3fadd9",
  "rgb": {
    "r": 63,
    "g": 173,
    "b": 217
  },
  "hsl": {
    "h": 197.143,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.70387,
    "c": 0.11661,
    "h": 228.7
  },
  "luminance": 0.35954
}

Semantic roles & 50–950 ramp

primary

#3FADD9

secondary

#DAAC9A

accent

#6F3EEA

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1315

muted

#7E8284

Preview Lab

Preview with #3FADD9

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

Preview Lab → · Contrast checker → · Palette generator →