#3F8DC7#3F8DC7

#3F8DC7 is a light, moderate cyan. Relative luminance 0.242; OKLCH L 62.1% C 0.116 H 243.9°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DC7
RGB	rgb(63, 141, 199)
HSL	hsl(206, 55%, 51%)
HSV	hsv(206, 68%, 78%)
CMYK	cmyk(68.3%, 29.1%, 0%, 22%)
CIE-LAB	lab(56.32, -5.27, -37.02)
CIE-LCH	lch(56.32, 37.39, 261.90°)
OKLab	oklab(62.05% -0.0513 -0.1045)
OKLCH	oklch(62.05% 0.116 243.9)
XYZ	xyz(21.8797, 24.2277, 57.5451)
Luminance	0.2423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DC7 #C7793F

analogous

#3FC7BD #3F8DC7 #3F49C7

triadic

#3F8DC7 #C73F8D #8DC73F

tetradic

#3F8DC7 #BD3FC7 #C7793F #49C73F

square

#3F8DC7 #BD3FC7 #C7793F #49C73F

split-complementary

#3F8DC7 #C73F49 #C7BD3F

monochromatic

#204B6C #2D6C9B #3F8DC7 #6EA9D5 #9EC5E3

Accessibility & contrast

On white

3.59

#3F8DC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#3F8DC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DC7

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DC7	#FFFFFF	#000000	##000000
##3F8DC7	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738ECA

Deuteranopia (green-blind)

#6081C6

Tritanopia (blue-blind)

#009BA1

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f8dc7;
/* rgb */ color: rgb(63, 141, 199);
/* oklch */ color: oklch(62.1% 0.116 243.9);

Tailwind

colors: {
  custom: {
    50: '#83aed8',
    500: '#3f8dc7',
    950: '#000000',
  },
}

SCSS

$custom: #3f8dc7;
$custom-light: #83aed8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8dc7",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 199
  },
  "hsl": {
    "h": 205.588,
    "s": 54.839,
    "l": 51.373
  },
  "oklch": {
    "l": 0.62053,
    "c": 0.11646,
    "h": 243.9
  },
  "luminance": 0.2423
}

Semantic roles & 50–950 ramp

primary

#3F8DC7

secondary

#CFAC93

accent

#894ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8DC7

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

Preview Lab → · Contrast checker → · Palette generator →