#3F84D9#3F84D9

#3F84D9 is a mid, vivid cyan. Relative luminance 0.226; OKLCH L 61.0% C 0.147 H 255.1°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#3F84D9
RGB	rgb(63, 132, 217)
HSL	hsl(213, 67%, 55%)
HSV	hsv(213, 71%, 85%)
CMYK	cmyk(71%, 39.2%, 0%, 14.9%)
CIE-LAB	lab(54.62, 6.36, -49.85)
CIE-LCH	lch(54.62, 50.25, 277.27°)
OKLab	oklab(61.02% -0.0378 -0.1421)
OKLCH	oklch(61.02% 0.147 255.1)
XYZ	xyz(22.8209, 22.5666, 68.7853)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84D9 #D9943F

analogous

#3FD1D9 #3F84D9 #473FD9

triadic

#3F84D9 #D93F84 #84D93F

tetradic

#3F84D9 #D93FD1 #D9943F #3FD947

square

#3F84D9 #D93FD1 #D9943F #3FD947

split-complementary

#3F84D9 #D9473F #D1D93F

monochromatic

#1A4984 #2466B7 #3F84D9 #72A5E3 #A5C5ED

Accessibility & contrast

On white

3.81

#3F84D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#3F84D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84D9

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84D9	#FFFFFF	#000000	##000000
##3F84D9	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D8ADC

Deuteranopia (green-blind)

#457CD7

Tritanopia (blue-blind)

#0098A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f84d9;
/* rgb */ color: rgb(63, 132, 217);
/* oklch */ color: oklch(61.0% 0.147 255.1);

Tailwind

colors: {
  custom: {
    50: '#86a7e5',
    500: '#3f84d9',
    950: '#000000',
  },
}

SCSS

$custom: #3f84d9;
$custom-light: #86a7e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84d9",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 217
  },
  "hsl": {
    "h": 213.117,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.61021,
    "c": 0.14706,
    "h": 255.1
  },
  "luminance": 0.22569
}

Semantic roles & 50–950 ramp

primary

#3F84D9

secondary

#DABD9A

accent

#9D3EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #3F84D9

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

Preview Lab → · Contrast checker → · Palette generator →