#3F8DCF#3F8DCF

#3F8DCF is a light, vivid cyan. Relative luminance 0.246; OKLCH L 62.5% C 0.126 H 247.1°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DCF
RGB	rgb(63, 141, 207)
HSL	hsl(208, 60%, 53%)
HSV	hsv(208, 70%, 81%)
CMYK	cmyk(69.6%, 31.9%, 0%, 18.8%)
CIE-LAB	lab(56.69, -2.51, -40.94)
CIE-LCH	lch(56.69, 41.02, 266.50°)
OKLab	oklab(62.47% -0.0489 -0.116)
OKLCH	oklch(62.47% 0.126 247.1)
XYZ	xyz(22.8330, 24.6090, 62.5661)
Luminance	0.2461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DCF #CF813F

analogous

#3FCFC9 #3F8DCF #3F45CF

triadic

#3F8DCF #CF3F8D #8DCF3F

tetradic

#3F8DCF #C93FCF #CF813F #45CF3F

square

#3F8DCF #C93FCF #CF813F #45CF3F

split-complementary

#3F8DCF #CF3F45 #CFC93F

monochromatic

#1E4D76 #2A6EA7 #3F8DCF #70AADB #A1C7E7

Accessibility & contrast

On white

3.55

#3F8DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#3F8DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DCF

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DCF	#FFFFFF	#000000	##000000
##3F8DCF	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F90D2

Deuteranopia (green-blind)

#5B82CE

Tritanopia (blue-blind)

#009DA5

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8dcf;
/* rgb */ color: rgb(63, 141, 207);
/* oklch */ color: oklch(62.5% 0.126 247.1);

Tailwind

colors: {
  custom: {
    50: '#84aede',
    500: '#3f8dcf',
    950: '#000000',
  },
}

SCSS

$custom: #3f8dcf;
$custom-light: #84aede;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8dcf",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 207
  },
  "hsl": {
    "h": 207.5,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62474,
    "c": 0.12586,
    "h": 247.1
  },
  "luminance": 0.24612
}

Semantic roles & 50–950 ramp

primary

#3F8DCF

secondary

#D4B296

accent

#8D45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8DCF

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

Preview Lab → · Contrast checker → · Palette generator →