#3FA5C7#3FA5C7

#3FA5C7 is a light, moderate cyan. Relative luminance 0.321; OKLCH L 67.7% C 0.105 H 223.8°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#3FA5C7
RGB	rgb(63, 165, 199)
HSL	hsl(195, 55%, 51%)
HSV	hsv(195, 68%, 78%)
CMYK	cmyk(68.3%, 17.1%, 0%, 22%)
CIE-LAB	lab(63.42, -18.53, -26.00)
CIE-LCH	lch(63.42, 31.92, 234.52°)
OKLab	oklab(67.7% -0.0756 -0.0726)
OKLCH	oklch(67.7% 0.105 223.8)
XYZ	xyz(25.8096, 32.0877, 58.8551)
Luminance	0.3209 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA5C7 #C7613F

analogous

#3FC7A5 #3FA5C7 #3F61C7

triadic

#3FA5C7 #C73FA5 #A5C73F

tetradic

#3FA5C7 #A53FC7 #C7613F #61C73F

square

#3FA5C7 #A53FC7 #C7613F #61C73F

split-complementary

#3FA5C7 #C73F61 #C7A53F

monochromatic

#20596C #2D809B #3FA5C7 #6EBBD5 #9ED1E3

Accessibility & contrast

On white

2.83

#3FA5C7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#3FA5C7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA5C7

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA5C7	#FFFFFF	#000000	##000000
##3FA5C7	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A1C9

Deuteranopia (green-blind)

#7F94C7

Tritanopia (blue-blind)

#00AFB0

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #3fa5c7;
/* rgb */ color: rgb(63, 165, 199);
/* oklch */ color: oklch(67.7% 0.105 223.8);

Tailwind

colors: {
  custom: {
    50: '#84bfd8',
    500: '#3fa5c7',
    950: '#000000',
  },
}

SCSS

$custom: #3fa5c7;
$custom-light: #84bfd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa5c7",
  "rgb": {
    "r": 63,
    "g": 165,
    "b": 199
  },
  "hsl": {
    "h": 195,
    "s": 54.839,
    "l": 51.373
  },
  "oklch": {
    "l": 0.67702,
    "c": 0.10486,
    "h": 223.8
  },
  "luminance": 0.32091
}

Semantic roles & 50–950 ramp

primary

#3FA5C7

secondary

#CFA293

accent

#6F4ADE

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #3FA5C7

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

Preview Lab → · Contrast checker → · Palette generator →