#3F80CA#3F80CA

#3F80CA is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.2% C 0.132 H 253.4°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F80CA
RGB	rgb(63, 128, 202)
HSL	hsl(212, 57%, 52%)
HSV	hsv(212, 69%, 79%)
CMYK	cmyk(68.8%, 36.6%, 0%, 20.8%)
CIE-LAB	lab(52.68, 3.44, -44.45)
CIE-LCH	lch(52.68, 44.58, 274.43°)
OKLab	oklab(59.25% -0.0376 -0.1264)
OKLCH	oklch(59.25% 0.132 253.4)
XYZ	xyz(20.4258, 20.7572, 58.7957)
Luminance	0.2076 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F80CA #CA893F

analogous

#3FC6CA #3F80CA #433FCA

triadic

#3F80CA #CA3F80 #80CA3F

tetradic

#3F80CA #CA3FC6 #CA893F #3FCA43

square

#3F80CA #CA3FC6 #CA893F #3FCA43

split-complementary

#3F80CA #CA433F #C6CA3F

monochromatic

#1F4570 #2C62A0 #3F80CA #6FA0D7 #9FBFE4

Accessibility & contrast

On white

4.08

#3F80CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3F80CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F80CA

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F80CA	#FFFFFF	#000000	##000000
##3F80CA	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CD

Deuteranopia (green-blind)

#4A78C9

Tritanopia (blue-blind)

#00919B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f80ca;
/* rgb */ color: rgb(63, 128, 202);
/* oklch */ color: oklch(59.2% 0.132 253.4);

Tailwind

colors: {
  custom: {
    50: '#83a4da',
    500: '#3f80ca',
    950: '#000000',
  },
}

SCSS

$custom: #3f80ca;
$custom-light: #83a4da;
$custom-dark: #000000;

JSON

{
  "hex": "#3f80ca",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 202
  },
  "hsl": {
    "h": 211.942,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.59247,
    "c": 0.13183,
    "h": 253.4
  },
  "luminance": 0.20759
}

Semantic roles & 50–950 ramp

primary

#3F80CA

secondary

#D1B494

accent

#9948E0

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F80CA

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

Preview Lab → · Contrast checker → · Palette generator →