#3F82CC#3F82CC

#3F82CC is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 59.8% C 0.132 H 252.9°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3F82CC
RGB	rgb(63, 130, 204)
HSL	hsl(211, 58%, 52%)
HSV	hsv(211, 69%, 80%)
CMYK	cmyk(69.1%, 36.3%, 0%, 20%)
CIE-LAB	lab(53.36, 2.95, -44.50)
CIE-LCH	lch(53.36, 44.60, 273.79°)
OKLab	oklab(59.81% -0.039 -0.1265)
OKLCH	oklch(59.81% 0.132 252.9)
XYZ	xyz(20.9276, 21.3794, 60.1388)
Luminance	0.2138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F82CC #CC893F

analogous

#3FC9CC #3F82CC #423FCC

triadic

#3F82CC #CC3F82 #82CC3F

tetradic

#3F82CC #CC3FC9 #CC893F #3FCC42

square

#3F82CC #CC3FC9 #CC893F #3FCC42

split-complementary

#3F82CC #CC423F #C9CC3F

monochromatic

#1E4672 #2B64A3 #3F82CC #6FA1D9 #A0C1E6

Accessibility & contrast

On white

3.98

#3F82CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#3F82CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F82CC

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F82CC	#FFFFFF	#000000	##000000
##3F82CC	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6187CF

Deuteranopia (green-blind)

#4C79CB

Tritanopia (blue-blind)

#00939D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f82cc;
/* rgb */ color: rgb(63, 130, 204);
/* oklch */ color: oklch(59.8% 0.132 252.9);

Tailwind

colors: {
  custom: {
    50: '#84a5dc',
    500: '#3f82cc',
    950: '#000000',
  },
}

SCSS

$custom: #3f82cc;
$custom-light: #84a5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f82cc",
  "rgb": {
    "r": 63,
    "g": 130,
    "b": 204
  },
  "hsl": {
    "h": 211.489,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59812,
    "c": 0.13238,
    "h": 252.9
  },
  "luminance": 0.21382
}

Semantic roles & 50–950 ramp

primary

#3F82CC

secondary

#D2B595

accent

#9847E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F82CC

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

Preview Lab → · Contrast checker → · Palette generator →