#3F3D78#3F3D78

#3F3D78 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.3% C 0.098 H 282.5°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F3D78
RGB	rgb(63, 61, 120)
HSL	hsl(242, 33%, 35%)
HSV	hsv(242, 49%, 47%)
CMYK	cmyk(47.5%, 49.2%, 0%, 52.9%)
CIE-LAB	lab(28.77, 17.67, -33.58)
CIE-LCH	lch(28.77, 37.94, 297.75°)
OKLab	oklab(39.29% 0.0211 -0.0953)
OKLCH	oklch(39.29% 0.098 282.5)
XYZ	xyz(7.1078, 5.7500, 18.5010)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3D78 #76783D

analogous

#3D5878 #3F3D78 #5C3D78

triadic

#3F3D78 #783F3D #3D783F

tetradic

#3F3D78 #783D58 #76783D #3D785C

square

#3F3D78 #783D58 #76783D #3D785C

split-complementary

#3F3D78 #785C3D #58783D

monochromatic

#141427 #2A284F #3F3D78 #5452A1 #7876B9

Accessibility & contrast

On white

9.77

#3F3D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#3F3D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3D78

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3D78	#FFFFFF	#000000	##FFFFFF
##3F3D78	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25467A

Deuteranopia (green-blind)

#224277

Tritanopia (blue-blind)

#2C4954

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f3d78;
/* rgb */ color: rgb(63, 61, 120);
/* oklch */ color: oklch(39.3% 0.098 282.5);

Tailwind

colors: {
  custom: {
    50: '#78729f',
    500: '#3f3d78',
    950: '#000000',
  },
}

SCSS

$custom: #3f3d78;
$custom-light: #78729f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3d78",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 120
  },
  "hsl": {
    "h": 242.034,
    "s": 32.597,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39292,
    "c": 0.09757,
    "h": 282.5
  },
  "luminance": 0.0575
}

Semantic roles & 50–950 ramp

primary

#3F3D78

secondary

#A2A36D

accent

#C95FC5

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #3F3D78

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

Preview Lab → · Contrast checker → · Palette generator →