#3FA3CB#3FA3CB

#3FA3CB is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.4% C 0.108 H 228.3°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#3FA3CB
RGB	rgb(63, 163, 203)
HSL	hsl(197, 57%, 52%)
HSV	hsv(197, 69%, 80%)
CMYK	cmyk(69%, 19.7%, 0%, 20.4%)
CIE-LAB	lab(62.98, -16.17, -28.90)
CIE-LCH	lch(62.98, 33.11, 240.77°)
OKLab	oklab(67.4% -0.0721 -0.0809)
OKLCH	oklch(67.4% 0.108 228.3)
XYZ	xyz(25.9223, 31.5601, 61.2139)
Luminance	0.3156 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA3CB #CB673F

analogous

#3FCBAD #3FA3CB #3F5DCB

triadic

#3FA3CB #CB3FA3 #A3CB3F

tetradic

#3FA3CB #AD3FCB #CB673F #5DCB3F

square

#3FA3CB #AD3FCB #CB673F #5DCB3F

split-complementary

#3FA3CB #CB3F5D #CBAD3F

monochromatic

#1F5971 #2C80A1 #3FA3CB #6FBAD8 #9FD1E5

Accessibility & contrast

On white

2.87

#3FA3CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#3FA3CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA3CB

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA3CB	#FFFFFF	#000000	##000000
##3FA3CB	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA0CD

Deuteranopia (green-blind)

#7B92CA

Tritanopia (blue-blind)

#00AEB0

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #3fa3cb;
/* rgb */ color: rgb(63, 163, 203);
/* oklch */ color: oklch(67.4% 0.108 228.3);

Tailwind

colors: {
  custom: {
    50: '#85bedb',
    500: '#3fa3cb',
    950: '#000000',
  },
}

SCSS

$custom: #3fa3cb;
$custom-light: #85bedb;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa3cb",
  "rgb": {
    "r": 63,
    "g": 163,
    "b": 203
  },
  "hsl": {
    "h": 197.143,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.67403,
    "c": 0.10842,
    "h": 228.3
  },
  "luminance": 0.31563
}

Semantic roles & 50–950 ramp

primary

#3FA3CB

secondary

#D1A694

accent

#7347E1

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #3FA3CB

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

Preview Lab → · Contrast checker → · Palette generator →