#3F7ECE#3F7ECE

#3F7ECE is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 59.0% C 0.139 H 255.6°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3F7ECE
RGB	rgb(63, 126, 206)
HSL	hsl(214, 59%, 53%)
HSV	hsv(214, 69%, 81%)
CMYK	cmyk(69.4%, 38.8%, 0%, 19.2%)
CIE-LAB	lab(52.32, 6.08, -47.29)
CIE-LCH	lch(52.32, 47.68, 277.32°)
OKLab	oklab(59.04% -0.0347 -0.1347)
OKLCH	oklch(59.04% 0.139 255.6)
XYZ	xyz(20.6473, 20.4325, 61.2363)
Luminance	0.2044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7ECE #CE8F3F

analogous

#3FC6CE #3F7ECE #473FCE

triadic

#3F7ECE #CE3F7E #7ECE3F

tetradic

#3F7ECE #CE3FC6 #CE8F3F #3FCE47

square

#3F7ECE #CE3FC6 #CE8F3F #3FCE47

split-complementary

#3F7ECE #CE473F #C6CE3F

monochromatic

#1E4475 #2A61A6 #3F7ECE #709FDA #A1C0E7

Accessibility & contrast

On white

4.13

#3F7ECE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#3F7ECE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7ECE

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7ECE	#FFFFFF	#000000	##000000
##3F7ECE	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5984D1

Deuteranopia (green-blind)

#4477CC

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f7ece;
/* rgb */ color: rgb(63, 126, 206);
/* oklch */ color: oklch(59.0% 0.139 255.6);

Tailwind

colors: {
  custom: {
    50: '#84a2dd',
    500: '#3f7ece',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ece;
$custom-light: #84a2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ece",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 206
  },
  "hsl": {
    "h": 213.566,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.59035,
    "c": 0.13912,
    "h": 255.6
  },
  "luminance": 0.20435
}

Semantic roles & 50–950 ramp

primary

#3F7ECE

secondary

#D3B895

accent

#9D45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #3F7ECE

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

Preview Lab → · Contrast checker → · Palette generator →