#3D428D#3D428D

#3D428D is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.7% C 0.122 H 276.8°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#3D428D
RGB	rgb(61, 66, 141)
HSL	hsl(236, 40%, 40%)
HSV	hsv(236, 57%, 55%)
CMYK	cmyk(56.7%, 53.2%, 0%, 44.7%)
CIE-LAB	lab(31.37, 20.96, -42.48)
CIE-LCH	lch(31.37, 47.37, 296.26°)
OKLab	oklab(41.66% 0.0145 -0.1214)
OKLCH	oklch(41.66% 0.122 276.8)
XYZ	xyz(8.6789, 6.8110, 26.0515)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D428D #8D883D

analogous

#3D6A8D #3D428D #603D8D

triadic

#3D428D #8D3D42 #428D3D

tetradic

#3D428D #8D3D6A #8D883D #3D8D60

square

#3D428D #8D3D6A #8D883D #3D8D60

split-complementary

#3D428D #8D603D #6A8D3D

monochromatic

#181A38 #2B2E62 #3D428D #5359B4 #7D82C7

Accessibility & contrast

On white

8.89

#3D428D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3D428D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D428D

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D428D	#FFFFFF	#000000	##FFFFFF
##3D428D	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194D90

Deuteranopia (green-blind)

#0B478B

Tritanopia (blue-blind)

#145361

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3d428d;
/* rgb */ color: rgb(61, 66, 141);
/* oklch */ color: oklch(41.7% 0.122 276.8);

Tailwind

colors: {
  custom: {
    50: '#7a76af',
    500: '#3d428d',
    950: '#000000',
  },
}

SCSS

$custom: #3d428d;
$custom-light: #7a76af;
$custom-dark: #000000;

JSON

{
  "hex": "#3d428d",
  "rgb": {
    "r": 61,
    "g": 66,
    "b": 141
  },
  "hsl": {
    "h": 236.25,
    "s": 39.604,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41658,
    "c": 0.12231,
    "h": 276.8
  },
  "luminance": 0.06812
}

Semantic roles & 50–950 ramp

primary

#3D428D

secondary

#B1AD75

accent

#C858CF

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #3D428D

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

Preview Lab → · Contrast checker → · Palette generator →