#3F9FBF#3F9FBF

#3F9FBF is a light, moderate cyan. Relative luminance 0.296; OKLCH L 65.9% C 0.100 H 223.6°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F9FBF
RGB	rgb(63, 159, 191)
HSL	hsl(195, 50%, 50%)
HSV	hsv(195, 67%, 75%)
CMYK	cmyk(67%, 16.8%, 0%, 25.1%)
CIE-LAB	lab(61.32, -17.91, -24.75)
CIE-LCH	lch(61.32, 30.55, 234.11°)
OKLab	oklab(65.92% -0.0725 -0.0691)
OKLCH	oklch(65.92% 0.1 223.6)
XYZ	xyz(23.8482, 29.6120, 53.7390)
Luminance	0.2962 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9FBF #BF5F3F

analogous

#3FBF9F #3F9FBF #3F5FBF

triadic

#3F9FBF #BF3F9F #9FBF3F

tetradic

#3F9FBF #9F3FBF #BF5F3F #5FBF3F

square

#3F9FBF #9F3FBF #BF5F3F #5FBF3F

split-complementary

#3F9FBF #BF3F5F #BF9F3F

monochromatic

#215263 #307991 #3F9FBF #6DB6CF #9BCDDE

Accessibility & contrast

On white

3.03

#3F9FBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#3F9FBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9FBF

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9FBF	#FFFFFF	#000000	##000000
##3F9FBF	1.00	3.03	6.92	6.92
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9BC1

Deuteranopia (green-blind)

#7B8EBF

Tritanopia (blue-blind)

#00A9A9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3f9fbf;
/* rgb */ color: rgb(63, 159, 191);
/* oklch */ color: oklch(65.9% 0.100 223.6);

Tailwind

colors: {
  custom: {
    50: '#83bbd2',
    500: '#3f9fbf',
    950: '#000000',
  },
}

SCSS

$custom: #3f9fbf;
$custom-light: #83bbd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9fbf",
  "rgb": {
    "r": 63,
    "g": 159,
    "b": 191
  },
  "hsl": {
    "h": 195,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.65921,
    "c": 0.10016,
    "h": 223.6
  },
  "luminance": 0.29615
}

Semantic roles & 50–950 ramp

primary

#3F9FBF

secondary

#CA9E90

accent

#714EDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #3F9FBF

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

Preview Lab → · Contrast checker → · Palette generator →