#3F3790#3F3790

#3F3790 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.142 H 281.9°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F3790
RGB	rgb(63, 55, 144)
HSL	hsl(245, 45%, 39%)
HSV	hsv(245, 62%, 56%)
CMYK	cmyk(56.3%, 61.8%, 0%, 43.5%)
CIE-LAB	lab(28.91, 29.58, -48.31)
CIE-LCH	lch(28.91, 56.64, 301.48°)
OKLab	oklab(39.94% 0.0293 -0.1386)
OKLCH	oklch(39.94% 0.142 281.9)
XYZ	xyz(8.4486, 5.8022, 27.0549)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3790 #889037

analogous

#375C90 #3F3790 #6C3790

triadic

#3F3790 #903F37 #37903F

tetradic

#3F3790 #90375C #889037 #37906C

square

#3F3790 #90375C #889037 #37906C

split-complementary

#3F3790 #906C37 #5C9037

monochromatic

#181537 #2C2664 #3F3790 #544ABA #7E77CB

Accessibility & contrast

On white

9.72

#3F3790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#3F3790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3790

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3790	#FFFFFF	#000000	##FFFFFF
##3F3790	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)

#004793

Deuteranopia (green-blind)

#00418E

Tritanopia (blue-blind)

#194C5E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f3790;
/* rgb */ color: rgb(63, 55, 144);
/* oklch */ color: oklch(39.9% 0.142 281.9);

Tailwind

colors: {
  custom: {
    50: '#7c6eb1',
    500: '#3f3790',
    950: '#000000',
  },
}

SCSS

$custom: #3f3790;
$custom-light: #7c6eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3790",
  "rgb": {
    "r": 63,
    "g": 55,
    "b": 144
  },
  "hsl": {
    "h": 245.393,
    "s": 44.724,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39936,
    "c": 0.14165,
    "h": 281.9
  },
  "luminance": 0.05803
}

Semantic roles & 50–950 ramp

primary

#3F3790

secondary

#AEB46F

accent

#D453C9

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3F3790

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

Preview Lab → · Contrast checker → · Palette generator →