#3F84C5#3F84C5

#3F84C5 is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 59.9% C 0.122 H 249.4°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3F84C5
RGB	rgb(63, 132, 197)
HSL	hsl(209, 54%, 51%)
HSV	hsv(209, 68%, 77%)
CMYK	cmyk(68%, 33%, 0%, 22.7%)
CIE-LAB	lab(53.59, -0.70, -40.17)
CIE-LCH	lch(53.59, 40.18, 269.00°)
OKLab	oklab(59.87% -0.0429 -0.1138)
OKLCH	oklch(59.87% 0.122 249.4)
XYZ	xyz(20.3754, 21.5884, 55.9057)
Luminance	0.2159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84C5 #C5803F

analogous

#3FC5C3 #3F84C5 #3F41C5

triadic

#3F84C5 #C53F84 #84C53F

tetradic

#3F84C5 #C33FC5 #C5803F #41C53F

square

#3F84C5 #C33FC5 #C5803F #41C53F

split-complementary

#3F84C5 #C53F41 #C5C33F

monochromatic

#20466A #2E6599 #3F84C5 #6EA2D3 #9DC0E1

Accessibility & contrast

On white

3.95

#3F84C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#3F84C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84C5

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84C5	#FFFFFF	#000000	##000000
##3F84C5	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6787C8

Deuteranopia (green-blind)

#547AC4

Tritanopia (blue-blind)

#00939B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3f84c5;
/* rgb */ color: rgb(63, 132, 197);
/* oklch */ color: oklch(59.9% 0.122 249.4);

Tailwind

colors: {
  custom: {
    50: '#82a7d7',
    500: '#3f84c5',
    950: '#000000',
  },
}

SCSS

$custom: #3f84c5;
$custom-light: #82a7d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84c5",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 197
  },
  "hsl": {
    "h": 209.104,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.59873,
    "c": 0.12163,
    "h": 249.4
  },
  "luminance": 0.21591
}

Semantic roles & 50–950 ramp

primary

#3F84C5

secondary

#CEAF92

accent

#924BDD

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3F84C5

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

Preview Lab → · Contrast checker → · Palette generator →