#3F86CC#3F86CC

#3F86CC is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 60.7% C 0.128 H 250.5°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3F86CC
RGB	rgb(63, 134, 204)
HSL	hsl(210, 58%, 52%)
HSV	hsv(210, 69%, 80%)
CMYK	cmyk(69.1%, 34.3%, 0%, 20%)
CIE-LAB	lab(54.52, 0.56, -42.68)
CIE-LCH	lch(54.52, 42.68, 270.75°)
OKLab	oklab(60.72% -0.0429 -0.1211)
OKLCH	oklch(60.72% 0.128 250.5)
XYZ	xyz(21.4700, 22.4643, 60.3196)
Luminance	0.2247 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F86CC #CC853F

analogous

#3FCCCB #3F86CC #3F40CC

triadic

#3F86CC #CC3F86 #86CC3F

tetradic

#3F86CC #CB3FCC #CC853F #40CC3F

square

#3F86CC #CB3FCC #CC853F #40CC3F

split-complementary

#3F86CC #CC3F40 #CCCB3F

monochromatic

#1E4972 #2B67A3 #3F86CC #6FA4D9 #A0C3E6

Accessibility & contrast

On white

3.82

#3F86CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#3F86CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F86CC

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F86CC	#FFFFFF	#000000	##000000
##3F86CC	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678ACF

Deuteranopia (green-blind)

#537CCB

Tritanopia (blue-blind)

#00969F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f86cc;
/* rgb */ color: rgb(63, 134, 204);
/* oklch */ color: oklch(60.7% 0.128 250.5);

Tailwind

colors: {
  custom: {
    50: '#84a8dc',
    500: '#3f86cc',
    950: '#000000',
  },
}

SCSS

$custom: #3f86cc;
$custom-light: #84a8dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f86cc",
  "rgb": {
    "r": 63,
    "g": 134,
    "b": 204
  },
  "hsl": {
    "h": 209.787,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.60716,
    "c": 0.12849,
    "h": 250.5
  },
  "luminance": 0.22467
}

Semantic roles & 50–950 ramp

primary

#3F86CC

secondary

#D2B395

accent

#9347E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F86CC

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

Preview Lab → · Contrast checker → · Palette generator →