#3F84DD#3F84DD

#3F84DD is a mid, vivid cyan. Relative luminance 0.228; OKLCH L 61.3% C 0.152 H 256.0°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3F84DD
RGB	rgb(63, 132, 221)
HSL	hsl(214, 70%, 56%)
HSV	hsv(214, 71%, 87%)
CMYK	cmyk(71.5%, 40.3%, 0%, 13.3%)
CIE-LAB	lab(54.84, 7.79, -51.74)
CIE-LCH	lch(54.84, 52.33, 278.56°)
OKLab	oklab(61.26% -0.0369 -0.1477)
OKLCH	oklch(61.26% 0.152 256)
XYZ	xyz(23.3475, 22.7772, 71.5586)
Luminance	0.2278 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84DD #DD983F

analogous

#3FD3DD #3F84DD #493FDD

triadic

#3F84DD #DD3F84 #84DD3F

tetradic

#3F84DD #DD3FD3 #DD983F #3FDD49

square

#3F84DD #DD3FD3 #DD983F #3FDD49

split-complementary

#3F84DD #DD493F #D3DD3F

monochromatic

#184A89 #2266BD #3F84DD #73A5E6 #A7C7EF

Accessibility & contrast

On white

3.78

#3F84DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#3F84DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84DD

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84DD	#FFFFFF	#000000	##000000
##3F84DD	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A8BE1

Deuteranopia (green-blind)

#407DDB

Tritanopia (blue-blind)

#0099A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f84dd;
/* rgb */ color: rgb(63, 132, 221);
/* oklch */ color: oklch(61.3% 0.152 256.0);

Tailwind

colors: {
  custom: {
    50: '#87a7e8',
    500: '#3f84dd',
    950: '#000000',
  },
}

SCSS

$custom: #3f84dd;
$custom-light: #87a7e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84dd",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 221
  },
  "hsl": {
    "h": 213.797,
    "s": 69.912,
    "l": 55.686
  },
  "oklch": {
    "l": 0.61262,
    "c": 0.15223,
    "h": 256
  },
  "luminance": 0.2278
}

Semantic roles & 50–950 ramp

primary

#3F84DD

secondary

#DDC09B

accent

#9F3BED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #3F84DD

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

Preview Lab → · Contrast checker → · Palette generator →