#3F9CC7#3F9CC7

#3F9CC7 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.6% C 0.108 H 231.8°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F9CC7
RGB	rgb(63, 156, 199)
HSL	hsl(199, 55%, 51%)
HSV	hsv(199, 68%, 78%)
CMYK	cmyk(68.3%, 21.6%, 0%, 22%)
CIE-LAB	lab(60.74, -13.69, -30.12)
CIE-LCH	lch(60.74, 33.09, 245.56°)
OKLab	oklab(65.57% -0.0665 -0.0845)
OKLCH	oklch(65.57% 0.108 231.8)
XYZ	xyz(24.2431, 28.9546, 58.3329)
Luminance	0.2896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9CC7 #C76A3F

analogous

#3FC7AE #3F9CC7 #3F58C7

triadic

#3F9CC7 #C73F9C #9CC73F

tetradic

#3F9CC7 #AE3FC7 #C76A3F #58C73F

square

#3F9CC7 #AE3FC7 #C76A3F #58C73F

split-complementary

#3F9CC7 #C73F58 #C7AE3F

monochromatic

#20546C #2D799B #3F9CC7 #6EB4D5 #9ECDE3

Accessibility & contrast

On white

3.09

#3F9CC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#3F9CC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CC7

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9CC7	#FFFFFF	#000000	##000000
##3F9CC7	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)

#879AC9

Deuteranopia (green-blind)

#748DC6

Tritanopia (blue-blind)

#00A8AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f9cc7;
/* rgb */ color: rgb(63, 156, 199);
/* oklch */ color: oklch(65.6% 0.108 231.8);

Tailwind

colors: {
  custom: {
    50: '#84b9d8',
    500: '#3f9cc7',
    950: '#000000',
  },
}

SCSS

$custom: #3f9cc7;
$custom-light: #84b9d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9cc7",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 199
  },
  "hsl": {
    "h": 198.971,
    "s": 54.839,
    "l": 51.373
  },
  "oklch": {
    "l": 0.65565,
    "c": 0.10752,
    "h": 231.8
  },
  "luminance": 0.28957
}

Semantic roles & 50–950 ramp

primary

#3F9CC7

secondary

#CFA693

accent

#794ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9CC7

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

Preview Lab → · Contrast checker → · Palette generator →