#3F83D2#3F83D2

#3F83D2 is a mid, vivid cyan. Relative luminance 0.219; OKLCH L 60.4% C 0.139 H 253.9°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3F83D2
RGB	rgb(63, 131, 210)
HSL	hsl(212, 62%, 54%)
HSV	hsv(212, 70%, 82%)
CMYK	cmyk(70%, 37.6%, 0%, 17.6%)
CIE-LAB	lab(53.96, 4.47, -46.95)
CIE-LCH	lch(53.96, 47.16, 275.44°)
OKLab	oklab(60.38% -0.0385 -0.1336)
OKLCH	oklch(60.38% 0.139 253.9)
XYZ	xyz(21.7948, 21.9402, 64.0465)
Luminance	0.2194 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F83D2 #D28E3F

analogous

#3FCCD2 #3F83D2 #443FD2

triadic

#3F83D2 #D23F83 #83D23F

tetradic

#3F83D2 #D23FCC #D28E3F #3FD244

square

#3F83D2 #D23FCC #D28E3F #3FD244

split-complementary

#3F83D2 #D2443F #CCD23F

monochromatic

#1D487A #2865AC #3F83D2 #71A3DE #A2C3E9

Accessibility & contrast

On white

3.90

#3F83D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#3F83D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F83D2

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F83D2	#FFFFFF	#000000	##000000
##3F83D2	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F88D5

Deuteranopia (green-blind)

#497BD0

Tritanopia (blue-blind)

#0095A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3f83d2;
/* rgb */ color: rgb(63, 131, 210);
/* oklch */ color: oklch(60.4% 0.139 253.9);

Tailwind

colors: {
  custom: {
    50: '#85a6e0',
    500: '#3f83d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f83d2;
$custom-light: #85a6e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f83d2",
  "rgb": {
    "r": 63,
    "g": 131,
    "b": 210
  },
  "hsl": {
    "h": 212.245,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.60384,
    "c": 0.13907,
    "h": 253.9
  },
  "luminance": 0.21943
}

Semantic roles & 50–950 ramp

primary

#3F83D2

secondary

#D6B997

accent

#9A43E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F83D2

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

Preview Lab → · Contrast checker → · Palette generator →