#3F4FA2#3F4FA2

#3F4FA2 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.0% C 0.135 H 271.9°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F4FA2
RGB	rgb(63, 79, 162)
HSL	hsl(230, 44%, 44%)
HSV	hsv(230, 61%, 64%)
CMYK	cmyk(61.1%, 51.2%, 0%, 36.5%)
CIE-LAB	lab(36.47, 20.15, -47.00)
CIE-LCH	lch(36.47, 51.14, 293.21°)
OKLab	oklab(46% 0.0045 -0.1345)
OKLCH	oklch(46% 0.135 271.9)
XYZ	xyz(11.3653, 9.2564, 35.3632)
Luminance	0.0926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4FA2 #A2923F

analogous

#3F81A2 #3F4FA2 #613FA2

triadic

#3F4FA2 #A23F4F #4FA23F

tetradic

#3F4FA2 #A23F81 #A2923F #3FA261

square

#3F4FA2 #A23F81 #A2923F #3FA261

split-complementary

#3F4FA2 #A2613F #81A23F

monochromatic

#1D244A #2E3A76 #3F4FA2 #5E6EC0 #8A95D1

Accessibility & contrast

On white

7.36

#3F4FA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3F4FA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4FA2

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4FA2	#FFFFFF	#000000	##FFFFFF
##3F4FA2	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225AA5

Deuteranopia (green-blind)

#0A52A0

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3f4fa2;
/* rgb */ color: rgb(63, 79, 162);
/* oklch */ color: oklch(46.0% 0.135 271.9);

Tailwind

colors: {
  custom: {
    50: '#7d80be',
    500: '#3f4fa2',
    950: '#000000',
  },
}

SCSS

$custom: #3f4fa2;
$custom-light: #7d80be;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4fa2",
  "rgb": {
    "r": 63,
    "g": 79,
    "b": 162
  },
  "hsl": {
    "h": 230.303,
    "s": 44,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45996,
    "c": 0.13462,
    "h": 271.9
  },
  "luminance": 0.09257
}

Semantic roles & 50–950 ramp

primary

#3F4FA2

secondary

#BCB381

accent

#BF54D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #3F4FA2

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

Preview Lab → · Contrast checker → · Palette generator →