#3F6AE1#3F6AE1

#3F6AE1 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 56.1% C 0.188 H 265.6°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F6AE1
RGB	rgb(63, 106, 225)
HSL	hsl(224, 73%, 56%)
HSV	hsv(224, 72%, 88%)
CMYK	cmyk(72%, 52.9%, 0%, 11.8%)
CIE-LAB	lab(48.01, 25.37, -64.98)
CIE-LCH	lch(48.01, 69.76, 291.33°)
OKLab	oklab(56.09% -0.0143 -0.1871)
OKLCH	oklch(56.09% 0.188 265.6)
XYZ	xyz(20.7898, 16.7989, 73.3664)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6AE1 #E1B63F

analogous

#3FBBE1 #3F6AE1 #653FE1

triadic

#3F6AE1 #E13F6A #6AE13F

tetradic

#3F6AE1 #E13FBB #E1B63F #3FE165

square

#3F6AE1 #E13FBB #E1B63F #3FE165

split-complementary

#3F6AE1 #E1653F #BBE13F

monochromatic

#16368F #1F4BC4 #3F6AE1 #7493E9 #A9BCF2

Accessibility & contrast

On white

4.82

#3F6AE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3F6AE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6AE1

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6AE1	#FFFFFF	#000000	##FFFFFF
##3F6AE1	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#107AE5

Deuteranopia (green-blind)

#006BDF

Tritanopia (blue-blind)

#00879B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3f6ae1;
/* rgb */ color: rgb(63, 106, 225);
/* oklch */ color: oklch(56.1% 0.188 265.6);

Tailwind

colors: {
  custom: {
    50: '#8894eb',
    500: '#3f6ae1',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ae1;
$custom-light: #8894eb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ae1",
  "rgb": {
    "r": 63,
    "g": 106,
    "b": 225
  },
  "hsl": {
    "h": 224.074,
    "s": 72.973,
    "l": 56.471
  },
  "oklch": {
    "l": 0.56094,
    "c": 0.1876,
    "h": 265.6
  },
  "luminance": 0.16801
}

Semantic roles & 50–950 ramp

primary

#3F6AE1

secondary

#DFCE9D

accent

#BF38F0

background

#F9F9FE

surface

#F1F1FD

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3F6AE1

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

Preview Lab → · Contrast checker → · Palette generator →