#3A409B#3A409B

#3A409B is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.146 H 275.3°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#3A409B
RGB	rgb(58, 64, 155)
HSL	hsl(236, 46%, 42%)
HSV	hsv(236, 63%, 61%)
CMYK	cmyk(62.6%, 58.7%, 0%, 39.2%)
CIE-LAB	lab(31.65, 26.59, -50.59)
CIE-LCH	lch(31.65, 57.15, 297.72°)
OKLab	oklab(42.14% 0.0136 -0.1454)
OKLCH	oklch(42.14% 0.146 275.3)
XYZ	xyz(9.4928, 6.9321, 31.8418)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A409B #9B953A

analogous

#3A719B #3A409B #653A9B

triadic

#3A409B #9B3A40 #409B3A

tetradic

#3A409B #9B3A71 #9B953A #3A9B65

square

#3A409B #9B3A71 #9B953A #3A9B65

split-complementary

#3A409B #9B653A #719B3A

monochromatic

#191B42 #292E6E #3A409B #535ABF #8085CF

Accessibility & contrast

On white

8.80

#3A409B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3A409B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A409B

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A409B	#FFFFFF	#000000	##FFFFFF
##3A409B	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9E

Deuteranopia (green-blind)

#004699

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3a409b;
/* rgb */ color: rgb(58, 64, 155);
/* oklch */ color: oklch(42.1% 0.146 275.3);

Tailwind

colors: {
  custom: {
    50: '#7b74b9',
    500: '#3a409b',
    950: '#000000',
  },
}

SCSS

$custom: #3a409b;
$custom-light: #7b74b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a409b",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 155
  },
  "hsl": {
    "h": 236.289,
    "s": 45.54,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42136,
    "c": 0.14603,
    "h": 275.3
  },
  "luminance": 0.06933
}

Semantic roles & 50–950 ramp

primary

#3A409B

secondary

#B9B578

accent

#CD53D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3A409B

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

Preview Lab → · Contrast checker → · Palette generator →