#3B429A#3B429A

#3B429A is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.142 H 275.2°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#3B429A
RGB	rgb(59, 66, 154)
HSL	hsl(236, 45%, 42%)
HSV	hsv(236, 62%, 60%)
CMYK	cmyk(61.7%, 57.1%, 0%, 39.6%)
CIE-LAB	lab(32.17, 25.10, -49.15)
CIE-LCH	lch(32.17, 55.19, 297.06°)
OKLab	oklab(42.51% 0.0128 -0.1411)
OKLCH	oklch(42.51% 0.142 275.2)
XYZ	xyz(9.5827, 7.1586, 31.4423)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B429A #9A933B

analogous

#3B729A #3B429A #643B9A

triadic

#3B429A #9A3B42 #429A3B

tetradic

#3B429A #9A3B72 #9A933B #3B9A64

square

#3B429A #9A3B72 #9A933B #3B9A64

split-complementary

#3B429A #9A643B #729A3B

monochromatic

#191C42 #2A2F6E #3B429A #555CBE #8187CF

Accessibility & contrast

On white

8.64

#3B429A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3B429A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B429A

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B429A	#FFFFFF	#000000	##FFFFFF
##3B429A	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509D

Deuteranopia (green-blind)

#004898

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3b429a;
/* rgb */ color: rgb(59, 66, 154);
/* oklch */ color: oklch(42.5% 0.142 275.2);

Tailwind

colors: {
  custom: {
    50: '#7b76b8',
    500: '#3b429a',
    950: '#000000',
  },
}

SCSS

$custom: #3b429a;
$custom-light: #7b76b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b429a",
  "rgb": {
    "r": 59,
    "g": 66,
    "b": 154
  },
  "hsl": {
    "h": 235.579,
    "s": 44.601,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42512,
    "c": 0.14169,
    "h": 275.2
  },
  "luminance": 0.07159
}

Semantic roles & 50–950 ramp

primary

#3B429A

secondary

#B8B478

accent

#CB53D4

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3B429A

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

Preview Lab → · Contrast checker → · Palette generator →