#3D429E#3D429E

#3D429E is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.147 H 276.0°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#3D429E
RGB	rgb(61, 66, 158)
HSL	hsl(237, 44%, 43%)
HSV	hsv(237, 61%, 62%)
CMYK	cmyk(61.4%, 58.2%, 0%, 38%)
CIE-LAB	lab(32.60, 26.87, -50.86)
CIE-LCH	lch(32.60, 57.52, 297.85°)
OKLab	oklab(42.97% 0.0152 -0.1461)
OKLCH	oklch(42.97% 0.147 276)
XYZ	xyz(10.0422, 7.3564, 33.2319)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D429E #9E993D

analogous

#3D729E #3D429E #683D9E

triadic

#3D429E #9E3D42 #429E3D

tetradic

#3D429E #9E3D72 #9E993D #3D9E68

square

#3D429E #9E3D72 #9E993D #3D9E68

split-complementary

#3D429E #9E683D #729E3D

monochromatic

#1B1D46 #2C3072 #3D429E #595EBF #8589D0

Accessibility & contrast

On white

8.50

#3D429E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3D429E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D429E

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D429E	#FFFFFF	#000000	##FFFFFF
##3D429E	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)

#0051A1

Deuteranopia (green-blind)

#00499C

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d429e;
/* rgb */ color: rgb(61, 66, 158);
/* oklch */ color: oklch(43.0% 0.147 276.0);

Tailwind

colors: {
  custom: {
    50: '#7d76bb',
    500: '#3d429e',
    950: '#000000',
  },
}

SCSS

$custom: #3d429e;
$custom-light: #7d76bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d429e",
  "rgb": {
    "r": 61,
    "g": 66,
    "b": 158
  },
  "hsl": {
    "h": 236.907,
    "s": 44.292,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4297,
    "c": 0.14686,
    "h": 276
  },
  "luminance": 0.07357
}

Semantic roles & 50–950 ramp

primary

#3D429E

secondary

#BAB77D

accent

#CD54D4

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3D429E

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

Preview Lab → · Contrast checker → · Palette generator →