#3F84D8#3F84D8

#3F84D8 is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 61.0% C 0.146 H 254.9°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3F84D8
RGB	rgb(63, 132, 216)
HSL	hsl(213, 66%, 55%)
HSV	hsv(213, 71%, 85%)
CMYK	cmyk(70.8%, 38.9%, 0%, 15.3%)
CIE-LAB	lab(54.57, 6.00, -49.37)
CIE-LCH	lch(54.57, 49.73, 276.93°)
OKLab	oklab(60.96% -0.038 -0.1407)
OKLCH	oklch(60.96% 0.146 254.9)
XYZ	xyz(22.6913, 22.5147, 68.1023)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84D8 #D8933F

analogous

#3FD1D8 #3F84D8 #463FD8

triadic

#3F84D8 #D83F84 #84D83F

tetradic

#3F84D8 #D83FD1 #D8933F #3FD846

square

#3F84D8 #D83FD1 #D8933F #3FD846

split-complementary

#3F84D8 #D8463F #D1D83F

monochromatic

#1A4982 #2566B5 #3F84D8 #72A5E2 #A5C5ED

Accessibility & contrast

On white

3.82

#3F84D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#3F84D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84D8

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84D8	#FFFFFF	#000000	##000000
##3F84D8	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D8ADB

Deuteranopia (green-blind)

#457CD6

Tritanopia (blue-blind)

#0098A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f84d8;
/* rgb */ color: rgb(63, 132, 216);
/* oklch */ color: oklch(61.0% 0.146 254.9);

Tailwind

colors: {
  custom: {
    50: '#86a7e4',
    500: '#3f84d8',
    950: '#000000',
  },
}

SCSS

$custom: #3f84d8;
$custom-light: #86a7e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84d8",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 216
  },
  "hsl": {
    "h": 212.941,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.60961,
    "c": 0.14576,
    "h": 254.9
  },
  "luminance": 0.22517
}

Semantic roles & 50–950 ramp

primary

#3F84D8

secondary

#DABD99

accent

#9C3FE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F15

muted

#7D7F84

Preview Lab

Preview with #3F84D8

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

Preview Lab → · Contrast checker → · Palette generator →