#3F3BAF#3F3BAF

#3F3BAF is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.178 H 277.4°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#3F3BAF
RGB	rgb(63, 59, 175)
HSL	hsl(242, 50%, 46%)
HSV	hsv(242, 66%, 69%)
CMYK	cmyk(64%, 66.3%, 0%, 31.4%)
CIE-LAB	lab(32.43, 37.45, -61.33)
CIE-LCH	lch(32.43, 71.86, 301.41°)
OKLab	oklab(43.31% 0.0231 -0.1768)
OKLCH	oklch(43.31% 0.178 277.4)
XYZ	xyz(11.3492, 7.2789, 41.3560)
Luminance	0.0728 (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

#3F3BAF #ABAF3B

analogous

#3B71AF #3F3BAF #793BAF

triadic

#3F3BAF #AF3F3B #3BAF3F

tetradic

#3F3BAF #AF3B71 #ABAF3B #3BAF79

square

#3F3BAF #AF3B71 #ABAF3B #3BAF79

split-complementary

#3F3BAF #AF793B #71AF3B

monochromatic

#1E1C53 #2F2C81 #3F3BAF #625EC9 #8F8CD8

Accessibility & contrast

On white

8.55

#3F3BAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3F3BAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BAF

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3BAF	#FFFFFF	#000000	##FFFFFF
##3F3BAF	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B3

Deuteranopia (green-blind)

#0047AD

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f3baf;
/* rgb */ color: rgb(63, 59, 175);
/* oklch */ color: oklch(43.3% 0.178 277.4);

Tailwind

colors: {
  custom: {
    50: '#8171c8',
    500: '#3f3baf',
    950: '#000000',
  },
}

SCSS

$custom: #3f3baf;
$custom-light: #8171c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3baf",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 175
  },
  "hsl": {
    "h": 242.069,
    "s": 49.573,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43313,
    "c": 0.17834,
    "h": 277.4
  },
  "luminance": 0.0728
}

Semantic roles & 50–950 ramp

primary

#3F3BAF

secondary

#C1C383

accent

#D94FD4

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #3F3BAF

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

Preview Lab → · Contrast checker → · Palette generator →