#3F3A92#3F3A92

#3F3A92 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.140 H 280.7°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#3F3A92
RGB	rgb(63, 58, 146)
HSL	hsl(243, 43%, 40%)
HSV	hsv(243, 60%, 57%)
CMYK	cmyk(56.8%, 60.3%, 0%, 42.7%)
CIE-LAB	lab(29.81, 28.32, -48.08)
CIE-LCH	lch(29.81, 55.80, 300.50°)
OKLab	oklab(40.65% 0.026 -0.1379)
OKLCH	oklch(40.65% 0.14 280.7)
XYZ	xyz(8.7496, 6.1576, 27.9160)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3A92 #8D923A

analogous

#3A6192 #3F3A92 #6B3A92

triadic

#3F3A92 #923F3A #3A923F

tetradic

#3F3A92 #923A61 #8D923A #3A926B

square

#3F3A92 #923A61 #8D923A #3A926B

split-complementary

#3F3A92 #926B3A #61923A

monochromatic

#19173A #2C2966 #3F3A92 #5650B9 #807CCB

Accessibility & contrast

On white

9.41

#3F3A92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3F3A92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3A92

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3A92	#FFFFFF	#000000	##FFFFFF
##3F3A92	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004995

Deuteranopia (green-blind)

#004390

Tritanopia (blue-blind)

#164F60

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3f3a92;
/* rgb */ color: rgb(63, 58, 146);
/* oklch */ color: oklch(40.6% 0.140 280.7);

Tailwind

colors: {
  custom: {
    50: '#7c70b3',
    500: '#3f3a92',
    950: '#000000',
  },
}

SCSS

$custom: #3f3a92;
$custom-light: #7c70b3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3a92",
  "rgb": {
    "r": 63,
    "g": 58,
    "b": 146
  },
  "hsl": {
    "h": 243.409,
    "s": 43.137,
    "l": 40
  },
  "oklch": {
    "l": 0.40647,
    "c": 0.14034,
    "h": 280.7
  },
  "luminance": 0.06158
}

Semantic roles & 50–950 ramp

primary

#3F3A92

secondary

#B1B474

accent

#D355CC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3F3A92

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

Preview Lab → · Contrast checker → · Palette generator →