#3F4ACA#3F4ACA

#3F4ACA is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.3% C 0.196 H 272.8°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F4ACA
RGB	rgb(63, 74, 202)
HSL	hsl(235, 57%, 52%)
HSV	hsv(235, 69%, 79%)
CMYK	cmyk(68.8%, 63.4%, 0%, 20.8%)
CIE-LAB	lab(38.23, 37.39, -67.73)
CIE-LCH	lch(38.23, 77.36, 298.90°)
OKLab	oklab(48.26% 0.0095 -0.1955)
OKLCH	oklch(48.26% 0.196 272.8)
XYZ	xyz(15.1558, 10.2171, 57.0391)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4ACA #CABF3F

analogous

#3F90CA #3F4ACA #7A3FCA

triadic

#3F4ACA #CA3F4A #4ACA3F

tetradic

#3F4ACA #CA3F90 #CABF3F #3FCA7A

square

#3F4ACA #CA3F90 #CABF3F #3FCA7A

split-complementary

#3F4ACA #CA7A3F #90CA3F

monochromatic

#1F2570 #2C35A0 #3F4ACA #6F77D7 #9FA4E4

Accessibility & contrast

On white

6.90

#3F4ACA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3F4ACA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4ACA

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4ACA	#FFFFFF	#000000	##FFFFFF
##3F4ACA	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CE

Deuteranopia (green-blind)

#0054C8

Tritanopia (blue-blind)

#006B83

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f4aca;
/* rgb */ color: rgb(63, 74, 202);
/* oklch */ color: oklch(48.3% 0.196 272.8);

Tailwind

colors: {
  custom: {
    50: '#867cdb',
    500: '#3f4aca',
    950: '#000000',
  },
}

SCSS

$custom: #3f4aca;
$custom-light: #867cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4aca",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 202
  },
  "hsl": {
    "h": 235.252,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.48255,
    "c": 0.19574,
    "h": 272.8
  },
  "luminance": 0.10219
}

Semantic roles & 50–950 ramp

primary

#3F4ACA

secondary

#D1CC94

accent

#D448E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #3F4ACA

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

Preview Lab → · Contrast checker → · Palette generator →