#3D3D78#3D3D78

#3D3D78 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 39.1% C 0.098 H 280.9°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#3D3D78
RGB	rgb(61, 61, 120)
HSL	hsl(240, 33%, 35%)
HSV	hsv(240, 49%, 47%)
CMYK	cmyk(49.2%, 49.2%, 0%, 52.9%)
CIE-LAB	lab(28.60, 17.15, -33.86)
CIE-LCH	lch(28.60, 37.95, 296.86°)
OKLab	oklab(39.12% 0.0185 -0.0961)
OKLCH	oklch(39.12% 0.098 280.9)
XYZ	xyz(6.9824, 5.6853, 18.4951)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D3D78 #78783D

analogous

#3D5A78 #3D3D78 #5A3D78

triadic

#3D3D78 #783D3D #3D783D

tetradic

#3D3D78 #783D5A #78783D #3D785A

square

#3D3D78 #783D5A #78783D #3D785A

split-complementary

#3D3D78 #785A3D #5A783D

monochromatic

#141427 #28284F #3D3D78 #5252A1 #7676B9

Accessibility & contrast

On white

9.83

#3D3D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3D3D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D3D78

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D3D78	#FFFFFF	#000000	##FFFFFF
##3D3D78	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24467A

Deuteranopia (green-blind)

#204177

Tritanopia (blue-blind)

#284954

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3d3d78;
/* rgb */ color: rgb(61, 61, 120);
/* oklch */ color: oklch(39.1% 0.098 280.9);

Tailwind

colors: {
  custom: {
    50: '#77729f',
    500: '#3d3d78',
    950: '#000000',
  },
}

SCSS

$custom: #3d3d78;
$custom-light: #77729f;
$custom-dark: #000000;

JSON

{
  "hex": "#3d3d78",
  "rgb": {
    "r": 61,
    "g": 61,
    "b": 120
  },
  "hsl": {
    "h": 240,
    "s": 32.597,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39123,
    "c": 0.0979,
    "h": 280.9
  },
  "luminance": 0.05686
}

Semantic roles & 50–950 ramp

primary

#3D3D78

secondary

#A3A36D

accent

#C95FC9

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #3D3D78

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

Preview Lab → · Contrast checker → · Palette generator →