#3FA5BB#3FA5BB

#3FA5BB is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.2% C 0.098 H 214.7°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#3FA5BB
RGB	rgb(63, 165, 187)
HSL	hsl(191, 50%, 49%)
HSV	hsv(191, 66%, 73%)
CMYK	cmyk(66.3%, 11.8%, 0%, 26.7%)
CIE-LAB	lab(62.97, -22.31, -19.98)
CIE-LCH	lch(62.97, 29.95, 221.84°)
OKLab	oklab(67.2% -0.0803 -0.0556)
OKLCH	oklch(67.2% 0.098 214.7)
XYZ	xyz(24.4709, 31.5522, 51.8046)
Luminance	0.3155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA5BB #BB553F

analogous

#3FBB93 #3FA5BB #3F67BB

triadic

#3FA5BB #BB3FA5 #A5BB3F

tetradic

#3FA5BB #933FBB #BB553F #67BB3F

square

#3FA5BB #933FBB #BB553F #67BB3F

split-complementary

#3FA5BB #BB3F67 #BB933F

monochromatic

#20545F #307D8D #3FA5BB #6ABBCD #98D0DC

Accessibility & contrast

On white

2.87

#3FA5BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#3FA5BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA5BB

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA5BB	#FFFFFF	#000000	##000000
##3FA5BB	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)

#95A0BC

Deuteranopia (green-blind)

#8393BB

Tritanopia (blue-blind)

#00ADAC

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #3fa5bb;
/* rgb */ color: rgb(63, 165, 187);
/* oklch */ color: oklch(67.2% 0.098 214.7);

Tailwind

colors: {
  custom: {
    50: '#83c0cf',
    500: '#3fa5bb',
    950: '#000000',
  },
}

SCSS

$custom: #3fa5bb;
$custom-light: #83c0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa5bb",
  "rgb": {
    "r": 63,
    "g": 165,
    "b": 187
  },
  "hsl": {
    "h": 190.645,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.67198,
    "c": 0.09767,
    "h": 214.7
  },
  "luminance": 0.31555
}

Semantic roles & 50–950 ramp

primary

#3FA5BB

secondary

#C8988E

accent

#674FD9

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #3FA5BB

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

Preview Lab → · Contrast checker → · Palette generator →