#3F7AE2#3F7AE2

#3F7AE2 is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.4% C 0.170 H 260.8°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3F7AE2
RGB	rgb(63, 122, 226)
HSL	hsl(218, 74%, 57%)
HSV	hsv(218, 72%, 89%)
CMYK	cmyk(72.1%, 46%, 0%, 11.4%)
CIE-LAB	lab(52.36, 15.72, -58.53)
CIE-LCH	lch(52.36, 60.60, 285.03°)
OKLab	oklab(59.44% -0.0272 -0.1678)
OKLCH	oklch(59.44% 0.17 260.8)
XYZ	xyz(22.7320, 20.4643, 74.6887)
Luminance	0.2047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7AE2 #E2A73F

analogous

#3FCCE2 #3F7AE2 #563FE2

triadic

#3F7AE2 #E23F7A #7AE23F

tetradic

#3F7AE2 #E23FCC #E2A73F #3FE256

square

#3F7AE2 #E23FCC #E2A73F #3FE256

split-complementary

#3F7AE2 #E2563F #CCE23F

monochromatic

#164291 #1E5BC6 #3F7AE2 #749FEA #A9C4F2

Accessibility & contrast

On white

4.12

#3F7AE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#3F7AE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7AE2

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7AE2	#FFFFFF	#000000	##000000
##3F7AE2	1.00	4.12	5.09	5.09
#FFFFFF	4.12	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)

#4385E6

Deuteranopia (green-blind)

#1D76E0

Tritanopia (blue-blind)

#0092A3

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f7ae2;
/* rgb */ color: rgb(63, 122, 226);
/* oklch */ color: oklch(59.4% 0.170 260.8);

Tailwind

colors: {
  custom: {
    50: '#889fec',
    500: '#3f7ae2',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ae2;
$custom-light: #889fec;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ae2",
  "rgb": {
    "r": 63,
    "g": 122,
    "b": 226
  },
  "hsl": {
    "h": 218.282,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.59435,
    "c": 0.16998,
    "h": 260.8
  },
  "luminance": 0.20467
}

Semantic roles & 50–950 ramp

primary

#3F7AE2

secondary

#E0C89D

accent

#AD37F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3F7AE2

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

Preview Lab → · Contrast checker → · Palette generator →