#3B429B#3B429B

#3B429B is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.6% C 0.143 H 275.1°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#3B429B
RGB	rgb(59, 66, 155)
HSL	hsl(236, 45%, 42%)
HSV	hsv(236, 62%, 61%)
CMYK	cmyk(61.9%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(32.24, 25.46, -49.64)
CIE-LCH	lch(32.24, 55.78, 297.15°)
OKLab	oklab(42.59% 0.0128 -0.1425)
OKLCH	oklch(42.59% 0.143 275.1)
XYZ	xyz(9.6663, 7.1920, 31.8828)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B429B #9B943B

analogous

#3B729B #3B429B #643B9B

triadic

#3B429B #9B3B42 #429B3B

tetradic

#3B429B #9B3B72 #9B943B #3B9B64

square

#3B429B #9B3B72 #9B943B #3B9B64

split-complementary

#3B429B #9B643B #729B3B

monochromatic

#191C42 #2A2F6F #3B429B #555DBE #8187CF

Accessibility & contrast

On white

8.61

#3B429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3B429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B429B

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B429B	#FFFFFF	#000000	##FFFFFF
##3B429B	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	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: #3b429b;
/* rgb */ color: rgb(59, 66, 155);
/* oklch */ color: oklch(42.6% 0.143 275.1);

Tailwind

colors: {
  custom: {
    50: '#7b76b9',
    500: '#3b429b',
    950: '#000000',
  },
}

SCSS

$custom: #3b429b;
$custom-light: #7b76b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b429b",
  "rgb": {
    "r": 59,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 235.625,
    "s": 44.86,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42591,
    "c": 0.14312,
    "h": 275.1
  },
  "luminance": 0.07193
}

Semantic roles & 50–950 ramp

primary

#3B429B

secondary

#B9B479

accent

#CB53D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3B429B

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

Preview Lab → · Contrast checker → · Palette generator →