#3D428A#3D428A

#3D428A is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.4% C 0.118 H 277.0°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#3D428A
RGB	rgb(61, 66, 138)
HSL	hsl(236, 39%, 39%)
HSV	hsv(236, 56%, 54%)
CMYK	cmyk(55.8%, 52.2%, 0%, 45.9%)
CIE-LAB	lab(31.17, 19.92, -40.97)
CIE-LCH	lch(31.17, 45.56, 295.93°)
OKLab	oklab(41.44% 0.0143 -0.117)
OKLCH	oklch(41.44% 0.118 277)
XYZ	xyz(8.4587, 6.7230, 24.8918)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D428A #8A853D

analogous

#3D698A #3D428A #5F3D8A

triadic

#3D428A #8A3D42 #428A3D

tetradic

#3D428A #8A3D69 #8A853D #3D8A5F

square

#3D428A #8A3D69 #8A853D #3D8A5F

split-complementary

#3D428A #8A5F3D #698A3D

monochromatic

#171935 #2A2E60 #3D428A #5258B2 #7C81C5

Accessibility & contrast

On white

8.96

#3D428A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3D428A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D428A

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D428A	#FFFFFF	#000000	##FFFFFF
##3D428A	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4D8D

Deuteranopia (green-blind)

#124688

Tritanopia (blue-blind)

#18525F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3d428a;
/* rgb */ color: rgb(61, 66, 138);
/* oklch */ color: oklch(41.4% 0.118 277.0);

Tailwind

colors: {
  custom: {
    50: '#7976ad',
    500: '#3d428a',
    950: '#000000',
  },
}

SCSS

$custom: #3d428a;
$custom-light: #7976ad;
$custom-dark: #000000;

JSON

{
  "hex": "#3d428a",
  "rgb": {
    "r": 61,
    "g": 66,
    "b": 138
  },
  "hsl": {
    "h": 236.104,
    "s": 38.693,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41438,
    "c": 0.11785,
    "h": 277
  },
  "luminance": 0.06724
}

Semantic roles & 50–950 ramp

primary

#3D428A

secondary

#AFAB74

accent

#C759CF

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #3D428A

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

Preview Lab → · Contrast checker → · Palette generator →