#3F319A#3F319A

#3F319A is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.8% C 0.163 H 282.1°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F319A
RGB	rgb(63, 49, 154)
HSL	hsl(248, 52%, 40%)
HSV	hsv(248, 68%, 60%)
CMYK	cmyk(59.1%, 68.2%, 0%, 39.6%)
CIE-LAB	lab(28.34, 36.59, -55.36)
CIE-LCH	lch(28.34, 66.36, 303.46°)
OKLab	oklab(39.78% 0.0342 -0.1593)
OKLCH	oklch(39.78% 0.163 282.1)
XYZ	xyz(8.9791, 5.5859, 31.1706)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F319A #8C9A31

analogous

#31589A #3F319A #74319A

triadic

#3F319A #9A3F31 #319A3F

tetradic

#3F319A #9A3158 #8C9A31 #319A74

square

#3F319A #9A3158 #8C9A31 #319A74

split-complementary

#3F319A #9A7431 #589A31

monochromatic

#19133D #2C226C #3F319A #5545C4 #8073D2

Accessibility & contrast

On white

9.92

#3F319A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F319A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F319A

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F319A	#FFFFFF	#000000	##FFFFFF
##3F319A	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469D

Deuteranopia (green-blind)

#003F98

Tritanopia (blue-blind)

#084C61

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f319a;
/* rgb */ color: rgb(63, 49, 154);
/* oklch */ color: oklch(39.8% 0.163 282.1);

Tailwind

colors: {
  custom: {
    50: '#7e6ab9',
    500: '#3f319a',
    950: '#000000',
  },
}

SCSS

$custom: #3f319a;
$custom-light: #7e6ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f319a",
  "rgb": {
    "r": 63,
    "g": 49,
    "b": 154
  },
  "hsl": {
    "h": 248,
    "s": 51.724,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39785,
    "c": 0.16295,
    "h": 282.1
  },
  "luminance": 0.05586
}

Semantic roles & 50–950 ramp

primary

#3F319A

secondary

#B0BA6C

accent

#DB4DC8

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0611

muted

#7C7A80

Preview Lab

Preview with #3F319A

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

Preview Lab → · Contrast checker → · Palette generator →