#3F80D1#3F80D1

#3F80D1 is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.7% C 0.141 H 255.2°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F80D1
RGB	rgb(63, 128, 209)
HSL	hsl(213, 61%, 53%)
HSV	hsv(213, 70%, 82%)
CMYK	cmyk(69.9%, 38.8%, 0%, 18%)
CIE-LAB	lab(53.05, 5.93, -47.83)
CIE-LCH	lch(53.05, 48.19, 277.07°)
OKLab	oklab(59.66% -0.0359 -0.1363)
OKLCH	oklch(59.66% 0.141 255.2)
XYZ	xyz(21.2735, 21.0963, 63.2601)
Luminance	0.2110 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F80D1 #D1903F

analogous

#3FC9D1 #3F80D1 #473FD1

triadic

#3F80D1 #D13F80 #80D13F

tetradic

#3F80D1 #D13FC9 #D1903F #3FD147

square

#3F80D1 #D13FC9 #D1903F #3FD147

split-complementary

#3F80D1 #D1473F #C9D13F

monochromatic

#1D4679 #2962AA #3F80D1 #70A1DD #A2C1E9

Accessibility & contrast

On white

4.02

#3F80D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3F80D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F80D1

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F80D1	#FFFFFF	#000000	##000000
##3F80D1	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B86D4

Deuteranopia (green-blind)

#4578CF

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f80d1;
/* rgb */ color: rgb(63, 128, 209);
/* oklch */ color: oklch(59.7% 0.141 255.2);

Tailwind

colors: {
  custom: {
    50: '#85a4df',
    500: '#3f80d1',
    950: '#000000',
  },
}

SCSS

$custom: #3f80d1;
$custom-light: #85a4df;
$custom-dark: #000000;

JSON

{
  "hex": "#3f80d1",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 209
  },
  "hsl": {
    "h": 213.288,
    "s": 61.345,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59658,
    "c": 0.14091,
    "h": 255.2
  },
  "luminance": 0.21099
}

Semantic roles & 50–950 ramp

primary

#3F80D1

secondary

#D5B997

accent

#9D43E4

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F80D1

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

Preview Lab → · Contrast checker → · Palette generator →