#3F68E2#3F68E2

#3F68E2 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.8% C 0.191 H 266.2°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F68E2
RGB	rgb(63, 104, 226)
HSL	hsl(225, 74%, 57%)
HSV	hsv(225, 72%, 89%)
CMYK	cmyk(72.1%, 54%, 0%, 11.4%)
CIE-LAB	lab(47.55, 26.99, -66.28)
CIE-LCH	lch(47.55, 71.57, 292.16°)
OKLab	oklab(55.78% -0.0126 -0.1909)
OKLCH	oklch(55.78% 0.191 266.2)
XYZ	xyz(20.7229, 16.4462, 74.0191)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F68E2 #E2B93F

analogous

#3FBAE2 #3F68E2 #683FE2

triadic

#3F68E2 #E23F68 #68E23F

tetradic

#3F68E2 #E23FBA #E2B93F #3FE268

square

#3F68E2 #E23FBA #E2B93F #3FE268

split-complementary

#3F68E2 #E2683F #BAE23F

monochromatic

#163591 #1E48C6 #3F68E2 #7492EA #A9BCF2

Accessibility & contrast

On white

4.90

#3F68E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3F68E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F68E2

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F68E2	#FFFFFF	#000000	##FFFFFF
##3F68E2	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079E6

Deuteranopia (green-blind)

#006AE0

Tritanopia (blue-blind)

#00869B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3f68e2;
/* rgb */ color: rgb(63, 104, 226);
/* oklch */ color: oklch(55.8% 0.191 266.2);

Tailwind

colors: {
  custom: {
    50: '#8992ec',
    500: '#3f68e2',
    950: '#000000',
  },
}

SCSS

$custom: #3f68e2;
$custom-light: #8992ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3f68e2",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 226
  },
  "hsl": {
    "h": 224.908,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.55775,
    "c": 0.19132,
    "h": 266.2
  },
  "luminance": 0.16448
}

Semantic roles & 50–950 ramp

primary

#3F68E2

secondary

#E0CF9D

accent

#C237F0

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0D16

muted

#7E7D84

Preview Lab

Preview with #3F68E2

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

Preview Lab → · Contrast checker → · Palette generator →