#3A428E#3A428E

#3A428E is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.5% C 0.125 H 275.1°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#3A428E
RGB	rgb(58, 66, 142)
HSL	hsl(234, 42%, 39%)
HSV	hsv(234, 59%, 56%)
CMYK	cmyk(59.2%, 53.5%, 0%, 44.3%)
CIE-LAB	lab(31.23, 20.68, -43.34)
CIE-LCH	lch(31.23, 48.02, 295.50°)
OKLab	oklab(41.52% 0.011 -0.1241)
OKLCH	oklch(41.52% 0.125 275.1)
XYZ	xyz(8.5740, 6.7483, 26.4367)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A428E #8E863A

analogous

#3A6C8E #3A428E #5C3A8E

triadic

#3A428E #8E3A42 #428E3A

tetradic

#3A428E #8E3A6C #8E863A #3A8E5C

square

#3A428E #8E3A6C #8E863A #3A8E5C

split-complementary

#3A428E #8E5C3A #6C8E3A

monochromatic

#171A37 #282E63 #3A428E #4E58B7 #7A81C9

Accessibility & contrast

On white

8.94

#3A428E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3A428E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A428E

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A428E	#FFFFFF	#000000	##FFFFFF
##3A428E	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174D91

Deuteranopia (green-blind)

#03468C

Tritanopia (blue-blind)

#025361

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3a428e;
/* rgb */ color: rgb(58, 66, 142);
/* oklch */ color: oklch(41.5% 0.125 275.1);

Tailwind

colors: {
  custom: {
    50: '#7876b0',
    500: '#3a428e',
    950: '#000000',
  },
}

SCSS

$custom: #3a428e;
$custom-light: #7876b0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a428e",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 142
  },
  "hsl": {
    "h": 234.286,
    "s": 42,
    "l": 39.216
  },
  "oklch": {
    "l": 0.41515,
    "c": 0.12455,
    "h": 275.1
  },
  "luminance": 0.06749
}

Semantic roles & 50–950 ramp

primary

#3A428E

secondary

#B2AC72

accent

#C656D2

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #3A428E

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

Preview Lab → · Contrast checker → · Palette generator →