#3A429B#3A429B

#3A429B is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.143 H 274.7°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#3A429B
RGB	rgb(58, 66, 155)
HSL	hsl(235, 46%, 42%)
HSV	hsv(235, 63%, 61%)
CMYK	cmyk(62.6%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(32.17, 25.27, -49.75)
CIE-LCH	lch(32.17, 55.80, 296.93°)
OKLab	oklab(42.52% 0.0116 -0.1429)
OKLCH	oklch(42.52% 0.143 274.7)
XYZ	xyz(9.6076, 7.1618, 31.8801)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A429B #9B933A

analogous

#3A739B #3A429B #633A9B

triadic

#3A429B #9B3A42 #429B3A

tetradic

#3A429B #9B3A73 #9B933A #3A9B63

square

#3A429B #9B3A73 #9B933A #3A9B63

split-complementary

#3A429B #9B633A #739B3A

monochromatic

#191C42 #292F6E #3A429B #535CBF #8087CF

Accessibility & contrast

On white

8.63

#3A429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3A429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A429B

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A429B	#FFFFFF	#000000	##FFFFFF
##3A429B	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509E

Deuteranopia (green-blind)

#004899

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3a429b;
/* rgb */ color: rgb(58, 66, 155);
/* oklch */ color: oklch(42.5% 0.143 274.7);

Tailwind

colors: {
  custom: {
    50: '#7a76b9',
    500: '#3a429b',
    950: '#000000',
  },
}

SCSS

$custom: #3a429b;
$custom-light: #7a76b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a429b",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 235.052,
    "s": 45.54,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42523,
    "c": 0.14337,
    "h": 274.7
  },
  "luminance": 0.07163
}

Semantic roles & 50–950 ramp

primary

#3A429B

secondary

#B9B478

accent

#CA53D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3A429B

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

Preview Lab → · Contrast checker → · Palette generator →