#3F8ECC#3F8ECC

#3F8ECC is a light, vivid cyan. Relative luminance 0.248; OKLCH L 62.5% C 0.121 H 245.3°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#3F8ECC
RGB	rgb(63, 142, 204)
HSL	hsl(206, 58%, 52%)
HSV	hsv(206, 69%, 80%)
CMYK	cmyk(69.1%, 30.4%, 0%, 20%)
CIE-LAB	lab(56.84, -4.13, -39.02)
CIE-LCH	lch(56.84, 39.24, 263.96°)
OKLab	oklab(62.54% -0.0508 -0.1103)
OKLCH	oklch(62.54% 0.121 245.3)
XYZ	xyz(22.6178, 24.7600, 60.7022)
Luminance	0.2476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8ECC #CC7D3F

analogous

#3FCCC4 #3F8ECC #3F47CC

triadic

#3F8ECC #CC3F8E #8ECC3F

tetradic

#3F8ECC #C43FCC #CC7D3F #47CC3F

square

#3F8ECC #C43FCC #CC7D3F #47CC3F

split-complementary

#3F8ECC #CC3F47 #CCC43F

monochromatic

#1E4D72 #2B6EA3 #3F8ECC #6FAAD9 #A0C7E6

Accessibility & contrast

On white

3.53

#3F8ECC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#3F8ECC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ECC

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8ECC	#FFFFFF	#000000	##000000
##3F8ECC	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7290CF

Deuteranopia (green-blind)

#5F82CB

Tritanopia (blue-blind)

#009DA4

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8ecc;
/* rgb */ color: rgb(63, 142, 204);
/* oklch */ color: oklch(62.5% 0.121 245.3);

Tailwind

colors: {
  custom: {
    50: '#84aedc',
    500: '#3f8ecc',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ecc;
$custom-light: #84aedc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ecc",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 204
  },
  "hsl": {
    "h": 206.383,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62544,
    "c": 0.12147,
    "h": 245.3
  },
  "luminance": 0.24762
}

Semantic roles & 50–950 ramp

primary

#3F8ECC

secondary

#D2B095

accent

#8B47E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8ECC

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

Preview Lab → · Contrast checker → · Palette generator →