#3F8BCD#3F8BCD

#3F8BCD is a mid, vivid cyan. Relative luminance 0.239; OKLCH L 61.9% C 0.125 H 247.7°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BCD
RGB	rgb(63, 139, 205)
HSL	hsl(208, 59%, 53%)
HSV	hsv(208, 69%, 80%)
CMYK	cmyk(69.3%, 32.2%, 0%, 19.6%)
CIE-LAB	lab(56.02, -2.04, -40.88)
CIE-LCH	lch(56.02, 40.93, 267.15°)
OKLab	oklab(61.91% -0.0475 -0.1158)
OKLCH	oklch(61.91% 0.125 247.7)
XYZ	xyz(22.2978, 23.9274, 61.1891)
Luminance	0.2393 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BCD #CD813F

analogous

#3FCDC8 #3F8BCD #3F44CD

triadic

#3F8BCD #CD3F8B #8BCD3F

tetradic

#3F8BCD #C83FCD #CD813F #44CD3F

square

#3F8BCD #C83FCD #CD813F #44CD3F

split-complementary

#3F8BCD #CD3F44 #CDC83F

monochromatic

#1E4C74 #2B6CA4 #3F8BCD #70A8DA #A0C6E6

Accessibility & contrast

On white

3.63

#3F8BCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#3F8BCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BCD

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BCD	#FFFFFF	#000000	##000000
##3F8BCD	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D8ED0

Deuteranopia (green-blind)

#5A80CC

Tritanopia (blue-blind)

#009BA3

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8bcd;
/* rgb */ color: rgb(63, 139, 205);
/* oklch */ color: oklch(61.9% 0.125 247.7);

Tailwind

colors: {
  custom: {
    50: '#84acdc',
    500: '#3f8bcd',
    950: '#000000',
  },
}

SCSS

$custom: #3f8bcd;
$custom-light: #84acdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8bcd",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 205
  },
  "hsl": {
    "h": 207.887,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.61909,
    "c": 0.12518,
    "h": 247.7
  },
  "luminance": 0.2393
}

Semantic roles & 50–950 ramp

primary

#3F8BCD

secondary

#D3B295

accent

#8E46E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8BCD

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

Preview Lab → · Contrast checker → · Palette generator →