#3A439D#3A439D

#3A439D is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.145 H 274.2°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#3A439D
RGB	rgb(58, 67, 157)
HSL	hsl(235, 46%, 42%)
HSV	hsv(235, 63%, 62%)
CMYK	cmyk(63.1%, 57.3%, 0%, 38.4%)
CIE-LAB	lab(32.59, 25.33, -50.29)
CIE-LCH	lch(32.59, 56.31, 296.73°)
OKLab	oklab(42.88% 0.0107 -0.1445)
OKLCH	oklch(42.88% 0.145 274.2)
XYZ	xyz(9.8359, 7.3474, 32.7916)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A439D #9D943A

analogous

#3A759D #3A439D #623A9D

triadic

#3A439D #9D3A43 #439D3A

tetradic

#3A439D #9D3A75 #9D943A #3A9D62

square

#3A439D #9D3A75 #9D943A #3A9D62

split-complementary

#3A439D #9D623A #759D3A

monochromatic

#191D44 #293070 #3A439D #545EC0 #8188D0

Accessibility & contrast

On white

8.50

#3A439D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3A439D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A439D

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A439D	#FFFFFF	#000000	##FFFFFF
##3A439D	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A0

Deuteranopia (green-blind)

#00489B

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a439d;
/* rgb */ color: rgb(58, 67, 157);
/* oklch */ color: oklch(42.9% 0.145 274.2);

Tailwind

colors: {
  custom: {
    50: '#7b77bb',
    500: '#3a439d',
    950: '#000000',
  },
}

SCSS

$custom: #3a439d;
$custom-light: #7b77bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a439d",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 157
  },
  "hsl": {
    "h": 234.545,
    "s": 46.047,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42878,
    "c": 0.14488,
    "h": 274.2
  },
  "luminance": 0.07348
}

Semantic roles & 50–950 ramp

primary

#3A439D

secondary

#BAB479

accent

#CA52D6

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3A439D

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

Preview Lab → · Contrast checker → · Palette generator →