#3F9DC7#3F9DC7

#3F9DC7 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.8% C 0.107 H 230.9°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F9DC7
RGB	rgb(63, 157, 199)
HSL	hsl(199, 55%, 51%)
HSV	hsv(199, 68%, 78%)
CMYK	cmyk(68.3%, 21.1%, 0%, 22%)
CIE-LAB	lab(61.04, -14.23, -29.66)
CIE-LCH	lch(61.04, 32.90, 244.37°)
OKLab	oklab(65.8% -0.0675 -0.0832)
OKLCH	oklch(65.8% 0.107 230.9)
XYZ	xyz(24.4116, 29.2915, 58.3890)
Luminance	0.2929 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9DC7 #C7693F

analogous

#3FC7AD #3F9DC7 #3F59C7

triadic

#3F9DC7 #C73F9D #9DC73F

tetradic

#3F9DC7 #AD3FC7 #C7693F #59C73F

square

#3F9DC7 #AD3FC7 #C7693F #59C73F

split-complementary

#3F9DC7 #C73F59 #C7AD3F

monochromatic

#20546C #2D799B #3F9DC7 #6EB5D5 #9ECDE3

Accessibility & contrast

On white

3.06

#3F9DC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#3F9DC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9DC7

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9DC7	#FFFFFF	#000000	##000000
##3F9DC7	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889BC9

Deuteranopia (green-blind)

#758DC6

Tritanopia (blue-blind)

#00A9AB

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3f9dc7;
/* rgb */ color: rgb(63, 157, 199);
/* oklch */ color: oklch(65.8% 0.107 230.9);

Tailwind

colors: {
  custom: {
    50: '#84bad8',
    500: '#3f9dc7',
    950: '#000000',
  },
}

SCSS

$custom: #3f9dc7;
$custom-light: #84bad8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9dc7",
  "rgb": {
    "r": 63,
    "g": 157,
    "b": 199
  },
  "hsl": {
    "h": 198.529,
    "s": 54.839,
    "l": 51.373
  },
  "oklch": {
    "l": 0.65802,
    "c": 0.10712,
    "h": 230.9
  },
  "luminance": 0.29294
}

Semantic roles & 50–950 ramp

primary

#3F9DC7

secondary

#CFA593

accent

#774ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9DC7

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

Preview Lab → · Contrast checker → · Palette generator →