#3F84CF#3F84CF

#3F84CF is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.4% C 0.134 H 252.6°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3F84CF
RGB	rgb(63, 132, 207)
HSL	hsl(211, 60%, 53%)
HSV	hsv(211, 70%, 81%)
CMYK	cmyk(69.6%, 36.2%, 0%, 18.8%)
CIE-LAB	lab(54.09, 2.81, -45.05)
CIE-LCH	lch(54.09, 45.13, 273.57°)
OKLab	oklab(60.43% -0.0402 -0.1281)
OKLCH	oklch(60.43% 0.134 252.6)
XYZ	xyz(21.5595, 22.0620, 62.1416)
Luminance	0.2206 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84CF #CF8A3F

analogous

#3FCCCF #3F84CF #423FCF

triadic

#3F84CF #CF3F84 #84CF3F

tetradic

#3F84CF #CF3FCC #CF8A3F #3FCF42

square

#3F84CF #CF3FCC #CF8A3F #3FCF42

split-complementary

#3F84CF #CF423F #CCCF3F

monochromatic

#1E4876 #2A66A7 #3F84CF #70A3DB #A1C3E7

Accessibility & contrast

On white

3.88

#3F84CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#3F84CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84CF

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84CF	#FFFFFF	#000000	##000000
##3F84CF	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6289D2

Deuteranopia (green-blind)

#4D7BCE

Tritanopia (blue-blind)

#0096A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3f84cf;
/* rgb */ color: rgb(63, 132, 207);
/* oklch */ color: oklch(60.4% 0.134 252.6);

Tailwind

colors: {
  custom: {
    50: '#84a7de',
    500: '#3f84cf',
    950: '#000000',
  },
}

SCSS

$custom: #3f84cf;
$custom-light: #84a7de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84cf",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 207
  },
  "hsl": {
    "h": 211.25,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.60434,
    "c": 0.13422,
    "h": 252.6
  },
  "luminance": 0.22064
}

Semantic roles & 50–950 ramp

primary

#3F84CF

secondary

#D4B696

accent

#9745E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F84CF

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

Preview Lab → · Contrast checker → · Palette generator →