#3F4AC8#3F4AC8

#3F4AC8 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 48.1% C 0.193 H 272.9°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#3F4AC8
RGB	rgb(63, 74, 200)
HSL	hsl(235, 55%, 52%)
HSV	hsv(235, 69%, 78%)
CMYK	cmyk(68.5%, 63%, 0%, 21.6%)
CIE-LAB	lab(38.06, 36.70, -66.84)
CIE-LCH	lch(38.06, 76.25, 298.77°)
OKLab	oklab(48.08% 0.0096 -0.1929)
OKLCH	oklch(48.08% 0.193 272.9)
XYZ	xyz(14.9205, 10.1230, 55.8000)
Luminance	0.1012 (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

#3F4AC8 #C8BD3F

analogous

#3F8FC8 #3F4AC8 #783FC8

triadic

#3F4AC8 #C83F4A #4AC83F

tetradic

#3F4AC8 #C83F8F #C8BD3F #3FC878

square

#3F4AC8 #C83F8F #C8BD3F #3FC878

split-complementary

#3F4AC8 #C8783F #8FC83F

monochromatic

#1F266D #2D369D #3F4AC8 #6F77D6 #9EA4E3

Accessibility & contrast

On white

6.94

#3F4AC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3F4AC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4AC8

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4AC8	#FFFFFF	#000000	##FFFFFF
##3F4AC8	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CC

Deuteranopia (green-blind)

#0053C6

Tritanopia (blue-blind)

#006A82

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f4ac8;
/* rgb */ color: rgb(63, 74, 200);
/* oklch */ color: oklch(48.1% 0.193 272.9);

Tailwind

colors: {
  custom: {
    50: '#857cda',
    500: '#3f4ac8',
    950: '#000000',
  },
}

SCSS

$custom: #3f4ac8;
$custom-light: #857cda;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4ac8",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 200
  },
  "hsl": {
    "h": 235.182,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.48081,
    "c": 0.19314,
    "h": 272.9
  },
  "luminance": 0.10124
}

Semantic roles & 50–950 ramp

primary

#3F4AC8

secondary

#D0CB93

accent

#D349DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3F4AC8

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

Preview Lab → · Contrast checker → · Palette generator →