#3FA5BD#3FA5BD

#3FA5BD is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.3% C 0.099 H 216.3°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#3FA5BD
RGB	rgb(63, 165, 189)
HSL	hsl(191, 50%, 49%)
HSV	hsv(191, 67%, 74%)
CMYK	cmyk(66.7%, 12.7%, 0%, 25.9%)
CIE-LAB	lab(63.04, -21.69, -20.99)
CIE-LCH	lch(63.04, 30.18, 224.06°)
OKLab	oklab(67.28% -0.0795 -0.0584)
OKLCH	oklch(67.28% 0.099 216.3)
XYZ	xyz(24.6865, 31.6384, 52.9400)
Luminance	0.3164 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA5BD #BD573F

analogous

#3FBD96 #3FA5BD #3F66BD

triadic

#3FA5BD #BD3FA5 #A5BD3F

tetradic

#3FA5BD #963FBD #BD573F #66BD3F

square

#3FA5BD #963FBD #BD573F #66BD3F

split-complementary

#3FA5BD #BD3F66 #BD963F

monochromatic

#205561 #307D8F #3FA5BD #6BBBCE #99D0DD

Accessibility & contrast

On white

2.87

#3FA5BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#3FA5BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA5BD

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA5BD	#FFFFFF	#000000	##000000
##3FA5BD	1.00	2.87	7.33	7.33
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A0BE

Deuteranopia (green-blind)

#8393BD

Tritanopia (blue-blind)

#00AEAC

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #3fa5bd;
/* rgb */ color: rgb(63, 165, 189);
/* oklch */ color: oklch(67.3% 0.099 216.3);

Tailwind

colors: {
  custom: {
    50: '#83c0d1',
    500: '#3fa5bd',
    950: '#000000',
  },
}

SCSS

$custom: #3fa5bd;
$custom-light: #83c0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa5bd",
  "rgb": {
    "r": 63,
    "g": 165,
    "b": 189
  },
  "hsl": {
    "h": 191.429,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.6728,
    "c": 0.09867,
    "h": 216.3
  },
  "luminance": 0.31641
}

Semantic roles & 50–950 ramp

primary

#3FA5BD

secondary

#C99A8F

accent

#694EDA

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #3FA5BD

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

Preview Lab → · Contrast checker → · Palette generator →