#3A3C91#3A3C91

#3A3C91 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.137 H 277.3°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#3A3C91
RGB	rgb(58, 60, 145)
HSL	hsl(239, 43%, 40%)
HSV	hsv(239, 60%, 57%)
CMYK	cmyk(60%, 58.6%, 0%, 43.1%)
CIE-LAB	lab(29.85, 25.70, -47.41)
CIE-LCH	lch(29.85, 53.93, 298.46°)
OKLab	oklab(40.56% 0.0176 -0.1361)
OKLCH	oklch(40.56% 0.137 277.3)
XYZ	xyz(8.4700, 6.1750, 27.5281)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3C91 #918F3A

analogous

#3A6791 #3A3C91 #643A91

triadic

#3A3C91 #913A3C #3C913A

tetradic

#3A3C91 #913A67 #918F3A #3A9164

square

#3A3C91 #913A67 #918F3A #3A9164

split-complementary

#3A3C91 #91643A #67913A

monochromatic

#17183A #292A65 #3A3C91 #4F52B9 #7B7DCA

Accessibility & contrast

On white

9.40

#3A3C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#3A3C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3C91

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3C91	#FFFFFF	#000000	##FFFFFF
##3A3C91	1.00	9.40	2.24	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A94

Deuteranopia (green-blind)

#00438F

Tritanopia (blue-blind)

#005060

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3a3c91;
/* rgb */ color: rgb(58, 60, 145);
/* oklch */ color: oklch(40.6% 0.137 277.3);

Tailwind

colors: {
  custom: {
    50: '#7971b2',
    500: '#3a3c91',
    950: '#000000',
  },
}

SCSS

$custom: #3a3c91;
$custom-light: #7971b2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3c91",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 145
  },
  "hsl": {
    "h": 238.621,
    "s": 42.857,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40555,
    "c": 0.13721,
    "h": 277.3
  },
  "luminance": 0.06176
}

Semantic roles & 50–950 ramp

primary

#3A3C91

secondary

#B4B273

accent

#D055D3

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3A3C91

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

Preview Lab → · Contrast checker → · Palette generator →