#3F3597#3F3597

#3F3597 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.2% C 0.154 H 281.5°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F3597
RGB	rgb(63, 53, 151)
HSL	hsl(246, 48%, 40%)
HSV	hsv(246, 65%, 59%)
CMYK	cmyk(58.3%, 64.9%, 0%, 40.8%)
CIE-LAB	lab(29.00, 33.16, -52.46)
CIE-LCH	lch(29.00, 62.06, 302.30°)
OKLab	oklab(40.18% 0.0308 -0.1508)
OKLCH	oklch(40.18% 0.154 281.5)
XYZ	xyz(8.9072, 5.8368, 29.9294)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3597 #8D9735

analogous

#355C97 #3F3597 #703597

triadic

#3F3597 #973F35 #35973F

tetradic

#3F3597 #97355C #8D9735 #359770

square

#3F3597 #97355C #8D9735 #359770

split-complementary

#3F3597 #977035 #5C9735

monochromatic

#19153C #2C256A #3F3597 #564ABF #8077CF

Accessibility & contrast

On white

9.69

#3F3597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#3F3597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3597

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3597	#FFFFFF	#000000	##FFFFFF
##3F3597	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489A

Deuteranopia (green-blind)

#004195

Tritanopia (blue-blind)

#0E4D61

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f3597;
/* rgb */ color: rgb(63, 53, 151);
/* oklch */ color: oklch(40.2% 0.154 281.5);

Tailwind

colors: {
  custom: {
    50: '#7d6db6',
    500: '#3f3597',
    950: '#000000',
  },
}

SCSS

$custom: #3f3597;
$custom-light: #7d6db6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3597",
  "rgb": {
    "r": 63,
    "g": 53,
    "b": 151
  },
  "hsl": {
    "h": 246.122,
    "s": 48.039,
    "l": 40
  },
  "oklch": {
    "l": 0.40179,
    "c": 0.15392,
    "h": 281.5
  },
  "luminance": 0.05837
}

Semantic roles & 50–950 ramp

primary

#3F3597

secondary

#B1B870

accent

#D850CA

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #3F3597

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

Preview Lab → · Contrast checker → · Palette generator →