#3A428C#3A428C

#3A428C is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.4% C 0.122 H 275.1°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#3A428C
RGB	rgb(58, 66, 140)
HSL	hsl(234, 41%, 39%)
HSV	hsv(234, 59%, 55%)
CMYK	cmyk(58.6%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(31.09, 19.97, -42.34)
CIE-LCH	lch(31.09, 46.81, 295.26°)
OKLab	oklab(41.37% 0.0109 -0.1211)
OKLCH	oklch(41.37% 0.122 275.1)
XYZ	xyz(8.4252, 6.6888, 25.6530)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A428C #8C843A

analogous

#3A6B8C #3A428C #5B3A8C

triadic

#3A428C #8C3A42 #428C3A

tetradic

#3A428C #8C3A6B #8C843A #3A8C5B

square

#3A428C #8C3A6B #8C843A #3A8C5B

split-complementary

#3A428C #8C5B3A #6B8C3A

monochromatic

#161935 #282E61 #3A428C #4E58B6 #7981C7

Accessibility & contrast

On white

8.98

#3A428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3A428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A428C

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A428C	#FFFFFF	#000000	##FFFFFF
##3A428C	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4D8F

Deuteranopia (green-blind)

#09468A

Tritanopia (blue-blind)

#075360

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3a428c;
/* rgb */ color: rgb(58, 66, 140);
/* oklch */ color: oklch(41.4% 0.122 275.1);

Tailwind

colors: {
  custom: {
    50: '#7876ae',
    500: '#3a428c',
    950: '#000000',
  },
}

SCSS

$custom: #3a428c;
$custom-light: #7876ae;
$custom-dark: #000000;

JSON

{
  "hex": "#3a428c",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 234.146,
    "s": 41.414,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41365,
    "c": 0.12159,
    "h": 275.1
  },
  "luminance": 0.06689
}

Semantic roles & 50–950 ramp

primary

#3A428C

secondary

#B1AB71

accent

#C557D1

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #3A428C

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

Preview Lab → · Contrast checker → · Palette generator →