#3F80CC#3F80CC

#3F80CC is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.4% C 0.134 H 254.0°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3F80CC
RGB	rgb(63, 128, 204)
HSL	hsl(212, 58%, 52%)
HSV	hsv(212, 69%, 80%)
CMYK	cmyk(69.1%, 37.3%, 0%, 20%)
CIE-LAB	lab(52.79, 4.15, -45.42)
CIE-LCH	lch(52.79, 45.60, 275.22°)
OKLab	oklab(59.36% -0.0371 -0.1292)
OKLCH	oklch(59.36% 0.134 254)
XYZ	xyz(20.6641, 20.8526, 60.0509)
Luminance	0.2086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F80CC #CC8B3F

analogous

#3FC7CC #3F80CC #443FCC

triadic

#3F80CC #CC3F80 #80CC3F

tetradic

#3F80CC #CC3FC7 #CC8B3F #3FCC44

square

#3F80CC #CC3FC7 #CC8B3F #3FCC44

split-complementary

#3F80CC #CC443F #C7CC3F

monochromatic

#1E4572 #2B62A3 #3F80CC #6FA0D9 #A0C0E6

Accessibility & contrast

On white

4.06

#3F80CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#3F80CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F80CC

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F80CC	#FFFFFF	#000000	##000000
##3F80CC	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E85CF

Deuteranopia (green-blind)

#4978CA

Tritanopia (blue-blind)

#00929C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f80cc;
/* rgb */ color: rgb(63, 128, 204);
/* oklch */ color: oklch(59.4% 0.134 254.0);

Tailwind

colors: {
  custom: {
    50: '#84a4dc',
    500: '#3f80cc',
    950: '#000000',
  },
}

SCSS

$custom: #3f80cc;
$custom-light: #84a4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f80cc",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 204
  },
  "hsl": {
    "h": 212.34,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59363,
    "c": 0.13442,
    "h": 254
  },
  "luminance": 0.20855
}

Semantic roles & 50–950 ramp

primary

#3F80CC

secondary

#D2B695

accent

#9A47E1

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F80CC

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

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