#3F83D6#3F83D6

#3F83D6 is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.6% C 0.144 H 254.9°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3F83D6
RGB	rgb(63, 131, 214)
HSL	hsl(213, 65%, 54%)
HSV	hsv(213, 71%, 84%)
CMYK	cmyk(70.6%, 38.8%, 0%, 16.1%)
CIE-LAB	lab(54.18, 5.89, -48.87)
CIE-LCH	lch(54.18, 49.22, 276.88°)
OKLab	oklab(60.62% -0.0375 -0.1393)
OKLCH	oklch(60.62% 0.144 254.9)
XYZ	xyz(22.2993, 22.1420, 66.7039)
Luminance	0.2214 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F83D6 #D6923F

analogous

#3FCFD6 #3F83D6 #473FD6

triadic

#3F83D6 #D63F83 #83D63F

tetradic

#3F83D6 #D63FCF #D6923F #3FD647

square

#3F83D6 #D63FCF #D6923F #3FD647

split-complementary

#3F83D6 #D6473F #CFD63F

monochromatic

#1B487F #2665B2 #3F83D6 #71A4E1 #A4C4EC

Accessibility & contrast

On white

3.87

#3F83D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#3F83D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F83D6

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F83D6	#FFFFFF	#000000	##000000
##3F83D6	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D89D9

Deuteranopia (green-blind)

#457BD4

Tritanopia (blue-blind)

#0096A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f83d6;
/* rgb */ color: rgb(63, 131, 214);
/* oklch */ color: oklch(60.6% 0.144 254.9);

Tailwind

colors: {
  custom: {
    50: '#85a6e3',
    500: '#3f83d6',
    950: '#000000',
  },
}

SCSS

$custom: #3f83d6;
$custom-light: #85a6e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f83d6",
  "rgb": {
    "r": 63,
    "g": 131,
    "b": 214
  },
  "hsl": {
    "h": 212.98,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.60621,
    "c": 0.14423,
    "h": 254.9
  },
  "luminance": 0.22144
}

Semantic roles & 50–950 ramp

primary

#3F83D6

secondary

#D8BC98

accent

#9C40E8

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F83D6

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

Preview Lab → · Contrast checker → · Palette generator →