#3F8CCE#3F8CCE

#3F8CCE is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.2% C 0.126 H 247.4°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F8CCE
RGB	rgb(63, 140, 206)
HSL	hsl(208, 59%, 53%)
HSV	hsv(208, 69%, 81%)
CMYK	cmyk(69.4%, 32%, 0%, 19.2%)
CIE-LAB	lab(56.35, -2.27, -40.91)
CIE-LCH	lch(56.35, 40.97, 266.82°)
OKLab	oklab(62.19% -0.0482 -0.1159)
OKLCH	oklch(62.19% 0.126 247.4)
XYZ	xyz(22.5644, 24.2667, 61.8753)
Luminance	0.2427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8CCE #CE813F

analogous

#3FCEC8 #3F8CCE #3F45CE

triadic

#3F8CCE #CE3F8C #8CCE3F

tetradic

#3F8CCE #C83FCE #CE813F #45CE3F

square

#3F8CCE #C83FCE #CE813F #45CE3F

split-complementary

#3F8CCE #CE3F45 #CEC83F

monochromatic

#1E4D75 #2A6DA6 #3F8CCE #70A9DA #A1C6E7

Accessibility & contrast

On white

3.59

#3F8CCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#3F8CCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CCE

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8CCE	#FFFFFF	#000000	##000000
##3F8CCE	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8FD1

Deuteranopia (green-blind)

#5A81CD

Tritanopia (blue-blind)

#009CA4

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f8cce;
/* rgb */ color: rgb(63, 140, 206);
/* oklch */ color: oklch(62.2% 0.126 247.4);

Tailwind

colors: {
  custom: {
    50: '#84addd',
    500: '#3f8cce',
    950: '#000000',
  },
}

SCSS

$custom: #3f8cce;
$custom-light: #84addd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8cce",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 206
  },
  "hsl": {
    "h": 207.692,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.62192,
    "c": 0.12552,
    "h": 247.4
  },
  "luminance": 0.24269
}

Semantic roles & 50–950 ramp

primary

#3F8CCE

secondary

#D3B295

accent

#8E45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8CCE

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

Preview Lab → · Contrast checker → · Palette generator →