#3F84D3#3F84D3

#3F84D3 is a mid, vivid cyan. Relative luminance 0.223; OKLCH L 60.7% C 0.139 H 253.7°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3F84D3
RGB	rgb(63, 132, 211)
HSL	hsl(212, 63%, 54%)
HSV	hsv(212, 70%, 83%)
CMYK	cmyk(70.1%, 37.4%, 0%, 17.3%)
CIE-LAB	lab(54.30, 4.22, -46.98)
CIE-LCH	lch(54.30, 47.17, 275.14°)
OKLab	oklab(60.67% -0.0392 -0.1337)
OKLCH	oklch(60.67% 0.139 253.7)
XYZ	xyz(22.0547, 22.2601, 64.7497)
Luminance	0.2226 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84D3 #D38E3F

analogous

#3FCED3 #3F84D3 #443FD3

triadic

#3F84D3 #D33F84 #84D33F

tetradic

#3F84D3 #D33FCE #D38E3F #3FD344

square

#3F84D3 #D33FCE #D38E3F #3FD344

split-complementary

#3F84D3 #D3443F #CED33F

monochromatic

#1C497B #2866AD #3F84D3 #71A4DE #A3C4EA

Accessibility & contrast

On white

3.85

#3F84D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#3F84D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84D3

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84D3	#FFFFFF	#000000	##000000
##3F84D3	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6089D6

Deuteranopia (green-blind)

#4A7CD1

Tritanopia (blue-blind)

#0096A1

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f84d3;
/* rgb */ color: rgb(63, 132, 211);
/* oklch */ color: oklch(60.7% 0.139 253.7);

Tailwind

colors: {
  custom: {
    50: '#85a7e1',
    500: '#3f84d3',
    950: '#000000',
  },
}

SCSS

$custom: #3f84d3;
$custom-light: #85a7e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84d3",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 211
  },
  "hsl": {
    "h": 212.027,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.60665,
    "c": 0.13934,
    "h": 253.7
  },
  "luminance": 0.22262
}

Semantic roles & 50–950 ramp

primary

#3F84D3

secondary

#D7B997

accent

#9942E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F84D3

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

Preview Lab → · Contrast checker → · Palette generator →