#3F8ECE#3F8ECE

#3F8ECE is a light, vivid cyan. Relative luminance 0.249; OKLCH L 62.6% C 0.124 H 246.1°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#3F8ECE
RGB	rgb(63, 142, 206)
HSL	hsl(207, 59%, 53%)
HSV	hsv(207, 69%, 81%)
CMYK	cmyk(69.4%, 31.1%, 0%, 19.2%)
CIE-LAB	lab(56.94, -3.44, -40.00)
CIE-LCH	lch(56.94, 40.14, 265.09°)
OKLab	oklab(62.65% -0.0502 -0.1132)
OKLCH	oklch(62.65% 0.124 246.1)
XYZ	xyz(22.8593, 24.8565, 61.9736)
Luminance	0.2486 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8ECE #CE7F3F

analogous

#3FCEC6 #3F8ECE #3F47CE

triadic

#3F8ECE #CE3F8E #8ECE3F

tetradic

#3F8ECE #C63FCE #CE7F3F #47CE3F

square

#3F8ECE #C63FCE #CE7F3F #47CE3F

split-complementary

#3F8ECE #CE3F47 #CEC63F

monochromatic

#1E4E75 #2A6EA6 #3F8ECE #70ABDA #A1C7E7

Accessibility & contrast

On white

3.52

#3F8ECE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#3F8ECE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ECE

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8ECE	#FFFFFF	#000000	##000000
##3F8ECE	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7190D1

Deuteranopia (green-blind)

#5D83CD

Tritanopia (blue-blind)

#009DA5

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f8ece;
/* rgb */ color: rgb(63, 142, 206);
/* oklch */ color: oklch(62.6% 0.124 246.1);

Tailwind

colors: {
  custom: {
    50: '#84aedd',
    500: '#3f8ece',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ece;
$custom-light: #84aedd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ece",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 206
  },
  "hsl": {
    "h": 206.853,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.6265,
    "c": 0.12382,
    "h": 246.1
  },
  "luminance": 0.24859
}

Semantic roles & 50–950 ramp

primary

#3F8ECE

secondary

#D3B195

accent

#8C45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8ECE

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

Preview Lab → · Contrast checker → · Palette generator →