#3F80C9#3F80C9

#3F80C9 is a mid, vivid cyan. Relative luminance 0.207; OKLCH L 59.2% C 0.131 H 253.2°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F80C9
RGB	rgb(63, 128, 201)
HSL	hsl(212, 56%, 52%)
HSV	hsv(212, 69%, 79%)
CMYK	cmyk(68.7%, 36.3%, 0%, 21.2%)
CIE-LAB	lab(52.63, 3.09, -43.96)
CIE-LCH	lch(52.63, 44.07, 274.02°)
OKLab	oklab(59.19% -0.0378 -0.1249)
OKLCH	oklch(59.19% 0.131 253.2)
XYZ	xyz(20.3078, 20.7100, 58.1742)
Luminance	0.2071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F80C9 #C9883F

analogous

#3FC5C9 #3F80C9 #433FC9

triadic

#3F80C9 #C93F80 #80C93F

tetradic

#3F80C9 #C93FC5 #C9883F #3FC943

square

#3F80C9 #C93FC5 #C9883F #3FC943

split-complementary

#3F80C9 #C9433F #C5C93F

monochromatic

#1F446F #2D629E #3F80C9 #6FA0D6 #9FBFE4

Accessibility & contrast

On white

4.08

#3F80C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#3F80C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F80C9

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F80C9	#FFFFFF	#000000	##000000
##3F80C9	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CC

Deuteranopia (green-blind)

#4B78C8

Tritanopia (blue-blind)

#00919B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f80c9;
/* rgb */ color: rgb(63, 128, 201);
/* oklch */ color: oklch(59.2% 0.131 253.2);

Tailwind

colors: {
  custom: {
    50: '#83a4da',
    500: '#3f80c9',
    950: '#000000',
  },
}

SCSS

$custom: #3f80c9;
$custom-light: #83a4da;
$custom-dark: #000000;

JSON

{
  "hex": "#3f80c9",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 201
  },
  "hsl": {
    "h": 211.739,
    "s": 56.098,
    "l": 51.765
  },
  "oklch": {
    "l": 0.59189,
    "c": 0.13054,
    "h": 253.2
  },
  "luminance": 0.20712
}

Semantic roles & 50–950 ramp

primary

#3F80C9

secondary

#D0B494

accent

#9848DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F80C9

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

Preview Lab → · Contrast checker → · Palette generator →