#3F8ECF#3F8ECF

#3F8ECF is a light, vivid cyan. Relative luminance 0.249; OKLCH L 62.7% C 0.125 H 246.5°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#3F8ECF
RGB	rgb(63, 142, 207)
HSL	hsl(207, 60%, 53%)
HSV	hsv(207, 70%, 81%)
CMYK	cmyk(69.6%, 31.4%, 0%, 18.8%)
CIE-LAB	lab(56.98, -3.09, -40.48)
CIE-LCH	lch(56.98, 40.60, 265.64°)
OKLab	oklab(62.7% -0.0499 -0.1146)
OKLCH	oklch(62.7% 0.125 246.5)
XYZ	xyz(22.9811, 24.9053, 62.6154)
Luminance	0.2491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8ECF #CF803F

analogous

#3FCFC8 #3F8ECF #3F46CF

triadic

#3F8ECF #CF3F8E #8ECF3F

tetradic

#3F8ECF #C83FCF #CF803F #46CF3F

square

#3F8ECF #C83FCF #CF803F #46CF3F

split-complementary

#3F8ECF #CF3F46 #CFC83F

monochromatic

#1E4E76 #2A6EA7 #3F8ECF #70ABDB #A1C8E7

Accessibility & contrast

On white

3.51

#3F8ECF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#3F8ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ECF

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8ECF	#FFFFFF	#000000	##000000
##3F8ECF	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7190D2

Deuteranopia (green-blind)

#5D83CE

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f8ecf;
/* rgb */ color: rgb(63, 142, 207);
/* oklch */ color: oklch(62.7% 0.125 246.5);

Tailwind

colors: {
  custom: {
    50: '#84aede',
    500: '#3f8ecf',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ecf;
$custom-light: #84aede;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ecf",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 207
  },
  "hsl": {
    "h": 207.083,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62703,
    "c": 0.12501,
    "h": 246.5
  },
  "luminance": 0.24908
}

Semantic roles & 50–950 ramp

primary

#3F8ECF

secondary

#D4B296

accent

#8C45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8ECF

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

Preview Lab → · Contrast checker → · Palette generator →