#3F3D7A#3F3D7A

#3F3D7A is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.4% C 0.101 H 282.2°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F3D7A
RGB	rgb(63, 61, 122)
HSL	hsl(242, 33%, 36%)
HSV	hsv(242, 50%, 48%)
CMYK	cmyk(48.4%, 50%, 0%, 52.2%)
CIE-LAB	lab(28.90, 18.33, -34.64)
CIE-LCH	lch(28.90, 39.19, 297.88°)
OKLab	oklab(39.43% 0.0213 -0.0984)
OKLCH	oklch(39.43% 0.101 282.2)
XYZ	xyz(7.2304, 5.7990, 19.1469)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3D7A #787A3D

analogous

#3D597A #3F3D7A #5D3D7A

triadic

#3F3D7A #7A3F3D #3D7A3F

tetradic

#3F3D7A #7A3D59 #787A3D #3D7A5D

square

#3F3D7A #7A3D59 #787A3D #3D7A5D

split-complementary

#3F3D7A #7A5D3D #597A3D

monochromatic

#151428 #2A2951 #3F3D7A #5451A3 #7977BB

Accessibility & contrast

On white

9.72

#3F3D7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#3F3D7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3D7A

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3D7A	#FFFFFF	#000000	##FFFFFF
##3F3D7A	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23467C

Deuteranopia (green-blind)

#1F4279

Tritanopia (blue-blind)

#2B4A55

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f3d7a;
/* rgb */ color: rgb(63, 61, 122);
/* oklch */ color: oklch(39.4% 0.101 282.2);

Tailwind

colors: {
  custom: {
    50: '#7872a1',
    500: '#3f3d7a',
    950: '#000000',
  },
}

SCSS

$custom: #3f3d7a;
$custom-light: #7872a1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3d7a",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 122
  },
  "hsl": {
    "h": 241.967,
    "s": 33.333,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39429,
    "c": 0.10064,
    "h": 282.2
  },
  "luminance": 0.05799
}

Semantic roles & 50–950 ramp

primary

#3F3D7A

secondary

#A3A56E

accent

#C95EC6

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09080F

muted

#7B7B7E

Preview Lab

Preview with #3F3D7A

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

Preview Lab → · Contrast checker → · Palette generator →