#3A409F#3A409F

#3A409F is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.5% C 0.152 H 275.1°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#3A409F
RGB	rgb(58, 64, 159)
HSL	hsl(236, 47%, 43%)
HSV	hsv(236, 64%, 62%)
CMYK	cmyk(63.5%, 59.7%, 0%, 37.6%)
CIE-LAB	lab(31.96, 28.00, -52.51)
CIE-LCH	lch(31.96, 59.51, 298.06°)
OKLab	oklab(42.46% 0.0136 -0.151)
OKLCH	oklch(42.46% 0.152 275.1)
XYZ	xyz(9.8343, 7.0687, 33.6403)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A409F #9F993A

analogous

#3A729F #3A409F #673A9F

triadic

#3A409F #9F3A40 #409F3A

tetradic

#3A409F #9F3A72 #9F993A #3A9F67

square

#3A409F #9F3A72 #9F993A #3A9F67

split-complementary

#3A409F #9F673A #729F3A

monochromatic

#191C45 #2A2E72 #3A409F #555CC1 #8287D1

Accessibility & contrast

On white

8.70

#3A409F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3A409F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A409F

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A409F	#FFFFFF	#000000	##FFFFFF
##3A409F	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3a409f;
/* rgb */ color: rgb(58, 64, 159);
/* oklch */ color: oklch(42.5% 0.152 275.1);

Tailwind

colors: {
  custom: {
    50: '#7b74bc',
    500: '#3a409f',
    950: '#000000',
  },
}

SCSS

$custom: #3a409f;
$custom-light: #7b74bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a409f",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 159
  },
  "hsl": {
    "h": 236.436,
    "s": 46.544,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42464,
    "c": 0.15165,
    "h": 275.1
  },
  "luminance": 0.0707
}

Semantic roles & 50–950 ramp

primary

#3A409F

secondary

#BBB77A

accent

#CE52D6

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3A409F

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

Preview Lab → · Contrast checker → · Palette generator →