#3F4AAE#3F4AAE

#3F4AAE is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.9% C 0.158 H 273.7°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#3F4AAE
RGB	rgb(63, 74, 174)
HSL	hsl(234, 47%, 46%)
HSV	hsv(234, 64%, 68%)
CMYK	cmyk(63.8%, 57.5%, 0%, 31.8%)
CIE-LAB	lab(36.00, 27.63, -54.92)
CIE-LCH	lch(36.00, 61.48, 296.71°)
OKLab	oklab(45.91% 0.0101 -0.1579)
OKLCH	oklch(45.91% 0.158 273.7)
XYZ	xyz(12.1361, 9.0093, 41.1356)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4AAE #AEA33F

analogous

#3F82AE #3F4AAE #6C3FAE

triadic

#3F4AAE #AE3F4A #4AAE3F

tetradic

#3F4AAE #AE3F82 #AEA33F #3FAE6C

square

#3F4AAE #AE3F82 #AEA33F #3FAE6C

split-complementary

#3F4AAE #AE6C3F #82AE3F

monochromatic

#1E2454 #2F3781 #3F4AAE #646DC7 #9097D7

Accessibility & contrast

On white

7.49

#3F4AAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3F4AAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4AAE

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4AAE	#FFFFFF	#000000	##FFFFFF
##3F4AAE	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB1

Deuteranopia (green-blind)

#0050AC

Tritanopia (blue-blind)

#006274

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f4aae;
/* rgb */ color: rgb(63, 74, 174);
/* oklch */ color: oklch(45.9% 0.158 273.7);

Tailwind

colors: {
  custom: {
    50: '#807cc7',
    500: '#3f4aae',
    950: '#000000',
  },
}

SCSS

$custom: #3f4aae;
$custom-light: #807cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4aae",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 174
  },
  "hsl": {
    "h": 234.054,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45914,
    "c": 0.15822,
    "h": 273.7
  },
  "luminance": 0.0901
}

Semantic roles & 50–950 ramp

primary

#3F4AAE

secondary

#C2BC87

accent

#C951D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3F4AAE

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

Preview Lab → · Contrast checker → · Palette generator →