#3B439C#3B439C

#3B439C is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.143 H 274.7°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#3B439C
RGB	rgb(59, 67, 156)
HSL	hsl(235, 45%, 42%)
HSV	hsv(235, 62%, 61%)
CMYK	cmyk(62.2%, 57.1%, 0%, 38.8%)
CIE-LAB	lab(32.58, 25.15, -49.70)
CIE-LCH	lch(32.58, 55.70, 296.84°)
OKLab	oklab(42.87% 0.0119 -0.1427)
OKLCH	oklch(42.87% 0.143 274.7)
XYZ	xyz(9.8096, 7.3436, 32.3466)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B439C #9C943B

analogous

#3B739C #3B439C #643B9C

triadic

#3B439C #9C3B43 #439C3B

tetradic

#3B439C #9C3B73 #9C943B #3B9C64

square

#3B439C #9C3B73 #9C943B #3B9C64

split-complementary

#3B439C #9C643B #739C3B

monochromatic

#191D43 #2A3070 #3B439C #555EBF #8288D0

Accessibility & contrast

On white

8.51

#3B439C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3B439C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B439C

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B439C	#FFFFFF	#000000	##FFFFFF
##3B439C	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519F

Deuteranopia (green-blind)

#00499A

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3b439c;
/* rgb */ color: rgb(59, 67, 156);
/* oklch */ color: oklch(42.9% 0.143 274.7);

Tailwind

colors: {
  custom: {
    50: '#7b77ba',
    500: '#3b439c',
    950: '#000000',
  },
}

SCSS

$custom: #3b439c;
$custom-light: #7b77ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3b439c",
  "rgb": {
    "r": 59,
    "g": 67,
    "b": 156
  },
  "hsl": {
    "h": 235.052,
    "s": 45.116,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42866,
    "c": 0.1432,
    "h": 274.7
  },
  "luminance": 0.07344
}

Semantic roles & 50–950 ramp

primary

#3B439C

secondary

#B9B479

accent

#CA53D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3B439C

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

Preview Lab → · Contrast checker → · Palette generator →