#3F9DBF#3F9DBF

#3F9DBF is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.4% C 0.101 H 225.5°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F9DBF
RGB	rgb(63, 157, 191)
HSL	hsl(196, 50%, 50%)
HSV	hsv(196, 67%, 75%)
CMYK	cmyk(67%, 17.8%, 0%, 25.1%)
CIE-LAB	lab(60.72, -16.84, -25.67)
CIE-LCH	lch(60.72, 30.70, 236.74°)
OKLab	oklab(65.44% -0.0704 -0.0717)
OKLCH	oklch(65.44% 0.101 225.5)
XYZ	xyz(23.5071, 28.9297, 53.6252)
Luminance	0.2893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9DBF #BF613F

analogous

#3FBFA1 #3F9DBF #3F5DBF

triadic

#3F9DBF #BF3F9D #9DBF3F

tetradic

#3F9DBF #A13FBF #BF613F #5DBF3F

square

#3F9DBF #A13FBF #BF613F #5DBF3F

split-complementary

#3F9DBF #BF3F5D #BFA13F

monochromatic

#215163 #307791 #3F9DBF #6DB5CF #9BCCDE

Accessibility & contrast

On white

3.09

#3F9DBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#3F9DBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9DBF

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9DBF	#FFFFFF	#000000	##000000
##3F9DBF	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)

#8A9AC1

Deuteranopia (green-blind)

#798DBF

Tritanopia (blue-blind)

#00A7A8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f9dbf;
/* rgb */ color: rgb(63, 157, 191);
/* oklch */ color: oklch(65.4% 0.101 225.5);

Tailwind

colors: {
  custom: {
    50: '#83bad2',
    500: '#3f9dbf',
    950: '#000000',
  },
}

SCSS

$custom: #3f9dbf;
$custom-light: #83bad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9dbf",
  "rgb": {
    "r": 63,
    "g": 157,
    "b": 191
  },
  "hsl": {
    "h": 195.938,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.65442,
    "c": 0.10054,
    "h": 225.5
  },
  "luminance": 0.28932
}

Semantic roles & 50–950 ramp

primary

#3F9DBF

secondary

#CA9F90

accent

#734EDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3F9DBF

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

Preview Lab → · Contrast checker → · Palette generator →