#3F80C8#3F80C8

#3F80C8 is a mid, vivid cyan. Relative luminance 0.207; OKLCH L 59.1% C 0.129 H 252.9°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#3F80C8
RGB	rgb(63, 128, 200)
HSL	hsl(212, 55%, 52%)
HSV	hsv(212, 69%, 78%)
CMYK	cmyk(68.5%, 36%, 0%, 21.6%)
CIE-LAB	lab(52.58, 2.74, -43.47)
CIE-LCH	lch(52.58, 43.56, 273.60°)
OKLab	oklab(59.13% -0.0381 -0.1235)
OKLCH	oklch(59.13% 0.129 252.9)
XYZ	xyz(20.1906, 20.6631, 57.5567)
Luminance	0.2067 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F80C8 #C8873F

analogous

#3FC5C8 #3F80C8 #433FC8

triadic

#3F80C8 #C83F80 #80C83F

tetradic

#3F80C8 #C83FC5 #C8873F #3FC843

square

#3F80C8 #C83FC5 #C8873F #3FC843

split-complementary

#3F80C8 #C8433F #C5C83F

monochromatic

#1F446D #2D629D #3F80C8 #6F9FD6 #9EBFE3

Accessibility & contrast

On white

4.09

#3F80C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#3F80C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F80C8

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F80C8	#FFFFFF	#000000	##000000
##3F80C8	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6085CB

Deuteranopia (green-blind)

#4C78C7

Tritanopia (blue-blind)

#00919A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f80c8;
/* rgb */ color: rgb(63, 128, 200);
/* oklch */ color: oklch(59.1% 0.129 252.9);

Tailwind

colors: {
  custom: {
    50: '#83a4d9',
    500: '#3f80c8',
    950: '#000000',
  },
}

SCSS

$custom: #3f80c8;
$custom-light: #83a4d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f80c8",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 200
  },
  "hsl": {
    "h": 211.533,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.59131,
    "c": 0.12925,
    "h": 252.9
  },
  "luminance": 0.20665
}

Semantic roles & 50–950 ramp

primary

#3F80C8

secondary

#D0B393

accent

#9849DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3F80C8

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

Preview Lab → · Contrast checker → · Palette generator →