#3F3DAF#3F3DAF

#3F3DAF is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.176 H 277.0°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#3F3DAF
RGB	rgb(63, 61, 175)
HSL	hsl(241, 48%, 46%)
HSV	hsv(241, 65%, 69%)
CMYK	cmyk(64%, 65.1%, 0%, 31.4%)
CIE-LAB	lab(32.89, 36.22, -60.58)
CIE-LCH	lch(32.89, 70.58, 300.87°)
OKLab	oklab(43.65% 0.0215 -0.1746)
OKLCH	oklch(43.65% 0.176 277)
XYZ	xyz(11.4540, 7.4885, 41.3909)
Luminance	0.0749 (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

#3F3DAF #ADAF3D

analogous

#3D74AF #3F3DAF #783DAF

triadic

#3F3DAF #AF3F3D #3DAF3F

tetradic

#3F3DAF #AF3D74 #ADAF3D #3DAF78

square

#3F3DAF #AF3D74 #ADAF3D #3DAF78

split-complementary

#3F3DAF #AF783D #74AF3D

monochromatic

#1E1D54 #2F2D82 #3F3DAF #6361C8 #908FD8

Accessibility & contrast

On white

8.41

#3F3DAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3F3DAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3DAF

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3DAF	#FFFFFF	#000000	##FFFFFF
##3F3DAF	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B3

Deuteranopia (green-blind)

#0048AD

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f3daf;
/* rgb */ color: rgb(63, 61, 175);
/* oklch */ color: oklch(43.6% 0.176 277.0);

Tailwind

colors: {
  custom: {
    50: '#8173c8',
    500: '#3f3daf',
    950: '#000000',
  },
}

SCSS

$custom: #3f3daf;
$custom-light: #8173c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3daf",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 175
  },
  "hsl": {
    "h": 241.053,
    "s": 48.305,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43648,
    "c": 0.17593,
    "h": 277
  },
  "luminance": 0.07489
}

Semantic roles & 50–950 ramp

primary

#3F3DAF

secondary

#C2C385

accent

#D850D5

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #3F3DAF

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

Preview Lab → · Contrast checker → · Palette generator →