#3A409E#3A409E

#3A409E is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.4% C 0.150 H 275.2°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#3A409E
RGB	rgb(58, 64, 158)
HSL	hsl(236, 46%, 42%)
HSV	hsv(236, 63%, 62%)
CMYK	cmyk(63.3%, 59.5%, 0%, 38%)
CIE-LAB	lab(31.88, 27.64, -52.03)
CIE-LCH	lch(31.88, 58.92, 297.98°)
OKLab	oklab(42.38% 0.0136 -0.1496)
OKLCH	oklch(42.38% 0.15 275.2)
XYZ	xyz(9.7479, 7.0342, 33.1852)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A409E #9E983A

analogous

#3A729E #3A409E #663A9E

triadic

#3A409E #9E3A40 #409E3A

tetradic

#3A409E #9E3A72 #9E983A #3A9E66

square

#3A409E #9E3A72 #9E983A #3A9E66

split-complementary

#3A409E #9E663A #729E3A

monochromatic

#191C44 #2A2E71 #3A409E #555BC0 #8186D1

Accessibility & contrast

On white

8.72

#3A409E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3A409E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A409E

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A409E	#FFFFFF	#000000	##FFFFFF
##3A409E	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA1

Deuteranopia (green-blind)

#00479C

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3a409e;
/* rgb */ color: rgb(58, 64, 158);
/* oklch */ color: oklch(42.4% 0.150 275.2);

Tailwind

colors: {
  custom: {
    50: '#7b74bb',
    500: '#3a409e',
    950: '#000000',
  },
}

SCSS

$custom: #3a409e;
$custom-light: #7b74bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a409e",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 158
  },
  "hsl": {
    "h": 236.4,
    "s": 46.296,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42382,
    "c": 0.15026,
    "h": 275.2
  },
  "luminance": 0.07035
}

Semantic roles & 50–950 ramp

primary

#3A409E

secondary

#BBB779

accent

#CE52D6

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3A409E

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

Preview Lab → · Contrast checker → · Palette generator →