#3D429D#3D429D

#3D429D is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.145 H 276.0°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#3D429D
RGB	rgb(61, 66, 157)
HSL	hsl(237, 44%, 43%)
HSV	hsv(237, 61%, 62%)
CMYK	cmyk(61.1%, 58%, 0%, 38.4%)
CIE-LAB	lab(32.53, 26.52, -50.37)
CIE-LCH	lch(32.53, 56.93, 297.77°)
OKLab	oklab(42.89% 0.0152 -0.1446)
OKLCH	oklch(42.89% 0.145 276)
XYZ	xyz(9.9565, 7.3221, 32.7804)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D429D #9D983D

analogous

#3D729D #3D429D #683D9D

triadic

#3D429D #9D3D42 #429D3D

tetradic

#3D429D #9D3D72 #9D983D #3D9D68

square

#3D429D #9D3D72 #9D983D #3D9D68

split-complementary

#3D429D #9D683D #729D3D

monochromatic

#1B1D45 #2C2F71 #3D429D #595EBE #8589D0

Accessibility & contrast

On white

8.52

#3D429D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3D429D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D429D

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D429D	#FFFFFF	#000000	##FFFFFF
##3D429D	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A0

Deuteranopia (green-blind)

#00489B

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3d429d;
/* rgb */ color: rgb(61, 66, 157);
/* oklch */ color: oklch(42.9% 0.145 276.0);

Tailwind

colors: {
  custom: {
    50: '#7c76bb',
    500: '#3d429d',
    950: '#000000',
  },
}

SCSS

$custom: #3d429d;
$custom-light: #7c76bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d429d",
  "rgb": {
    "r": 61,
    "g": 66,
    "b": 157
  },
  "hsl": {
    "h": 236.875,
    "s": 44.037,
    "l": 42.745
  },
  "oklch": {
    "l": 0.4289,
    "c": 0.14545,
    "h": 276
  },
  "luminance": 0.07323
}

Semantic roles & 50–950 ramp

primary

#3D429D

secondary

#BAB77C

accent

#CD54D4

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3D429D

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

Preview Lab → · Contrast checker → · Palette generator →