#3F84D7#3F84D7

#3F84D7 is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 60.9% C 0.144 H 254.7°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3F84D7
RGB	rgb(63, 132, 215)
HSL	hsl(213, 66%, 55%)
HSV	hsv(213, 71%, 84%)
CMYK	cmyk(70.7%, 38.6%, 0%, 15.7%)
CIE-LAB	lab(54.52, 5.65, -48.89)
CIE-LCH	lch(54.52, 49.22, 276.59°)
OKLab	oklab(60.9% -0.0382 -0.1393)
OKLCH	oklch(60.9% 0.144 254.7)
XYZ	xyz(22.5624, 22.4631, 67.4235)
Luminance	0.2247 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84D7 #D7923F

analogous

#3FD0D7 #3F84D7 #463FD7

triadic

#3F84D7 #D73F84 #84D73F

tetradic

#3F84D7 #D73FD0 #D7923F #3FD746

square

#3F84D7 #D73FD0 #D7923F #3FD746

split-complementary

#3F84D7 #D7463F #D0D73F

monochromatic

#1B4981 #2566B3 #3F84D7 #72A4E2 #A4C5EC

Accessibility & contrast

On white

3.82

#3F84D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#3F84D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84D7

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84D7	#FFFFFF	#000000	##000000
##3F84D7	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E8ADA

Deuteranopia (green-blind)

#467CD5

Tritanopia (blue-blind)

#0097A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f84d7;
/* rgb */ color: rgb(63, 132, 215);
/* oklch */ color: oklch(60.9% 0.144 254.7);

Tailwind

colors: {
  custom: {
    50: '#86a7e4',
    500: '#3f84d7',
    950: '#000000',
  },
}

SCSS

$custom: #3f84d7;
$custom-light: #86a7e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84d7",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 215
  },
  "hsl": {
    "h": 212.763,
    "s": 65.517,
    "l": 54.51
  },
  "oklch": {
    "l": 0.60901,
    "c": 0.14448,
    "h": 254.7
  },
  "luminance": 0.22466
}

Semantic roles & 50–950 ramp

primary

#3F84D7

secondary

#D9BC99

accent

#9C3FE8

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F15

muted

#7D7F84

Preview Lab

Preview with #3F84D7

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

Preview Lab → · Contrast checker → · Palette generator →