#3F8ADA#3F8ADA

#3F8ADA is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.4% C 0.142 H 252.4°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F8ADA
RGB	rgb(63, 138, 218)
HSL	hsl(211, 68%, 55%)
HSV	hsv(211, 71%, 85%)
CMYK	cmyk(71.1%, 36.7%, 0%, 14.5%)
CIE-LAB	lab(56.38, 3.12, -47.62)
CIE-LCH	lch(56.38, 47.72, 273.74°)
OKLab	oklab(62.41% -0.0431 -0.1355)
OKLCH	oklch(62.41% 0.142 252.4)
XYZ	xyz(23.7886, 24.2931, 69.7514)
Luminance	0.2430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8ADA #DA8F3F

analogous

#3FD7DA #3F8ADA #423FDA

triadic

#3F8ADA #DA3F8A #8ADA3F

tetradic

#3F8ADA #DA3FD7 #DA8F3F #3FDA42

square

#3F8ADA #DA3FD7 #DA8F3F #3FDA42

split-complementary

#3F8ADA #DA423F #D7DA3F

monochromatic

#1A4E85 #246BB8 #3F8ADA #72A9E4 #A6C9EE

Accessibility & contrast

On white

3.58

#3F8ADA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#3F8ADA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ADA

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8ADA	#FFFFFF	#000000	##000000
##3F8ADA	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658FDD

Deuteranopia (green-blind)

#4E81D8

Tritanopia (blue-blind)

#009DA8

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f8ada;
/* rgb */ color: rgb(63, 138, 218);
/* oklch */ color: oklch(62.4% 0.142 252.4);

Tailwind

colors: {
  custom: {
    50: '#86abe6',
    500: '#3f8ada',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ada;
$custom-light: #86abe6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ada",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 218
  },
  "hsl": {
    "h": 210.968,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.62409,
    "c": 0.14219,
    "h": 252.4
  },
  "luminance": 0.24296
}

Semantic roles & 50–950 ramp

primary

#3F8ADA

secondary

#DBBB9A

accent

#973DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #3F8ADA

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

Preview Lab → · Contrast checker → · Palette generator →