#3F84DE#3F84DE

#3F84DE is a mid, vivid cyan. Relative luminance 0.228; OKLCH L 61.3% C 0.154 H 256.2°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3F84DE
RGB	rgb(63, 132, 222)
HSL	hsl(214, 71%, 56%)
HSV	hsv(214, 72%, 87%)
CMYK	cmyk(71.6%, 40.5%, 0%, 12.9%)
CIE-LAB	lab(54.90, 8.14, -52.22)
CIE-LCH	lch(54.90, 52.85, 278.86°)
OKLab	oklab(61.32% -0.0367 -0.1491)
OKLCH	oklch(61.32% 0.154 256.2)
XYZ	xyz(23.4811, 22.8306, 72.2623)
Luminance	0.2283 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84DE #DE993F

analogous

#3FD4DE #3F84DE #493FDE

triadic

#3F84DE #DE3F84 #84DE3F

tetradic

#3F84DE #DE3FD4 #DE993F #3FDE49

square

#3F84DE #DE3FD4 #DE993F #3FDE49

split-complementary

#3F84DE #DE493F #D4DE3F

monochromatic

#184A8B #2165BF #3F84DE #73A5E7 #A7C7F0

Accessibility & contrast

On white

3.77

#3F84DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#3F84DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84DE

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84DE	#FFFFFF	#000000	##000000
##3F84DE	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#598BE2

Deuteranopia (green-blind)

#3F7DDC

Tritanopia (blue-blind)

#0099A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f84de;
/* rgb */ color: rgb(63, 132, 222);
/* oklch */ color: oklch(61.3% 0.154 256.2);

Tailwind

colors: {
  custom: {
    50: '#87a7e9',
    500: '#3f84de',
    950: '#000000',
  },
}

SCSS

$custom: #3f84de;
$custom-light: #87a7e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84de",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 222
  },
  "hsl": {
    "h": 213.962,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.61323,
    "c": 0.15353,
    "h": 256.2
  },
  "luminance": 0.22833
}

Semantic roles & 50–950 ramp

primary

#3F84DE

secondary

#DDC19B

accent

#A03AED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #3F84DE

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

Preview Lab → · Contrast checker → · Palette generator →