#3F9EB7#3F9EB7

#3F9EB7 is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.3% C 0.095 H 218.3°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F9EB7
RGB	rgb(63, 158, 183)
HSL	hsl(193, 49%, 48%)
HSV	hsv(193, 66%, 72%)
CMYK	cmyk(65.6%, 13.7%, 0%, 28.2%)
CIE-LAB	lab(60.72, -19.91, -21.17)
CIE-LCH	lch(60.72, 29.06, 226.76°)
OKLab	oklab(65.34% -0.0746 -0.0589)
OKLCH	oklch(65.34% 0.095 218.3)
XYZ	xyz(22.8205, 28.9269, 49.1713)
Luminance	0.2893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9EB7 #B7583F

analogous

#3FB794 #3F9EB7 #3F62B7

triadic

#3F9EB7 #B73F9E #9EB73F

tetradic

#3F9EB7 #943FB7 #B7583F #62B73F

square

#3F9EB7 #943FB7 #B7583F #62B73F

split-complementary

#3F9EB7 #B73F62 #B7943F

monochromatic

#204F5C #2F7789 #3F9EB7 #68B6CB #96CCDB

Accessibility & contrast

On white

3.09

#3F9EB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#3F9EB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9EB7

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9EB7	#FFFFFF	#000000	##000000
##3F9EB7	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9AB8

Deuteranopia (green-blind)

#7D8DB7

Tritanopia (blue-blind)

#00A7A6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f9eb7;
/* rgb */ color: rgb(63, 158, 183);
/* oklch */ color: oklch(65.3% 0.095 218.3);

Tailwind

colors: {
  custom: {
    50: '#82bacc',
    500: '#3f9eb7',
    950: '#000000',
  },
}

SCSS

$custom: #3f9eb7;
$custom-light: #82bacc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9eb7",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 183
  },
  "hsl": {
    "h": 192.5,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.6534,
    "c": 0.09506,
    "h": 218.3
  },
  "luminance": 0.28929
}

Semantic roles & 50–950 ramp

primary

#3F9EB7

secondary

#C6988B

accent

#6C4FD8

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #3F9EB7

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

Preview Lab → · Contrast checker → · Palette generator →