#3F3D60#3F3D60

#3F3D60 is a dark, muted blue. Relative luminance 0.052; OKLCH L 37.8% C 0.059 H 285.8°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F3D60
RGB	rgb(63, 61, 96)
HSL	hsl(243, 22%, 31%)
HSV	hsv(243, 36%, 38%)
CMYK	cmyk(34.4%, 36.5%, 0%, 62.4%)
CIE-LAB	lab(27.40, 10.09, -20.43)
CIE-LCH	lch(27.40, 22.79, 296.29°)
OKLab	oklab(37.8% 0.0161 -0.057)
OKLCH	oklch(37.8% 0.059 285.8)
XYZ	xyz(5.8294, 5.2386, 11.7681)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3D60 #5E603D

analogous

#3D4C60 #3F3D60 #503D60

triadic

#3F3D60 #603F3D #3D603F

tetradic

#3F3D60 #603D4C #5E603D #3D6050

square

#3F3D60 #603D4C #5E603D #3D6050

split-complementary

#3F3D60 #60503D #4C603D

monochromatic

#0E0D15 #26253B #3F3D60 #585585 #7572A5

Accessibility & contrast

On white

10.25

#3F3D60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3F3D60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3D60

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3D60	#FFFFFF	#000000	##FFFFFF
##3F3D60	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334261

Deuteranopia (green-blind)

#32405F

Tritanopia (blue-blind)

#37434A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3f3d60;
/* rgb */ color: rgb(63, 61, 96);
/* oklch */ color: oklch(37.8% 0.059 285.8);

Tailwind

colors: {
  custom: {
    50: '#75728d',
    500: '#3f3d60',
    950: '#000000',
  },
}

SCSS

$custom: #3f3d60;
$custom-light: #75728d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3d60",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 96
  },
  "hsl": {
    "h": 243.429,
    "s": 22.293,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37804,
    "c": 0.0592,
    "h": 285.8
  },
  "luminance": 0.05239
}

Semantic roles & 50–950 ramp

primary

#3F3D60

secondary

#8E9069

accent

#BF69BA

background

#F7F6F8

surface

#EDECF0

border

#C8C7CB

text

#08080C

muted

#7B7B7D

Preview Lab

Preview with #3F3D60

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

Preview Lab → · Contrast checker → · Palette generator →