#3B439D#3B439D

#3B439D is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.145 H 274.7°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3B439D
RGB	rgb(59, 67, 157)
HSL	hsl(235, 45%, 42%)
HSV	hsv(235, 62%, 62%)
CMYK	cmyk(62.4%, 57.3%, 0%, 38.4%)
CIE-LAB	lab(32.65, 25.51, -50.18)
CIE-LCH	lch(32.65, 56.29, 296.94°)
OKLab	oklab(42.95% 0.0119 -0.1441)
OKLCH	oklch(42.95% 0.145 274.7)
XYZ	xyz(9.8946, 7.3776, 32.7944)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B439D #9D953B

analogous

#3B749D #3B439D #643B9D

triadic

#3B439D #9D3B43 #439D3B

tetradic

#3B439D #9D3B74 #9D953B #3B9D64

square

#3B439D #9D3B74 #9D953B #3B9D64

split-complementary

#3B439D #9D643B #749D3B

monochromatic

#1A1D44 #2A3071 #3B439D #565EBF #8289D0

Accessibility & contrast

On white

8.48

#3B439D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3B439D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B439D

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B439D	#FFFFFF	#000000	##FFFFFF
##3B439D	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A0

Deuteranopia (green-blind)

#00499B

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3b439d;
/* rgb */ color: rgb(59, 67, 157);
/* oklch */ color: oklch(42.9% 0.145 274.7);

Tailwind

colors: {
  custom: {
    50: '#7b77bb',
    500: '#3b439d',
    950: '#000000',
  },
}

SCSS

$custom: #3b439d;
$custom-light: #7b77bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b439d",
  "rgb": {
    "r": 59,
    "g": 67,
    "b": 157
  },
  "hsl": {
    "h": 235.102,
    "s": 45.37,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42945,
    "c": 0.14462,
    "h": 274.7
  },
  "luminance": 0.07378
}

Semantic roles & 50–950 ramp

primary

#3B439D

secondary

#BAB57A

accent

#CA53D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3B439D

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

Preview Lab → · Contrast checker → · Palette generator →