#3B3D9E#3B3D9E

#3B3D9E is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.9% C 0.154 H 276.6°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#3B3D9E
RGB	rgb(59, 61, 158)
HSL	hsl(239, 46%, 43%)
HSV	hsv(239, 63%, 62%)
CMYK	cmyk(62.7%, 61.4%, 0%, 38%)
CIE-LAB	lab(31.20, 29.76, -53.15)
CIE-LCH	lch(31.20, 60.91, 299.24°)
OKLab	oklab(41.89% 0.0176 -0.1529)
OKLCH	oklch(41.89% 0.154 276.6)
XYZ	xyz(9.6419, 6.7352, 33.1330)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B3D9E #9E9C3B

analogous

#3B6E9E #3B3D9E #6B3B9E

triadic

#3B3D9E #9E3B3D #3D9E3B

tetradic

#3B3D9E #9E3B6E #9E9C3B #3B9E6B

square

#3B3D9E #9E3B6E #9E9C3B #3B9E6B

split-complementary

#3B3D9E #9E6B3B #6E9E3B

monochromatic

#1A1B45 #2A2C71 #3B3D9E #5658C0 #8384D1

Accessibility & contrast

On white

8.95

#3B3D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3B3D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3D9E

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3D9E	#FFFFFF	#000000	##FFFFFF
##3B3D9E	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA1

Deuteranopia (green-blind)

#00459C

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3b3d9e;
/* rgb */ color: rgb(59, 61, 158);
/* oklch */ color: oklch(41.9% 0.154 276.6);

Tailwind

colors: {
  custom: {
    50: '#7c72bb',
    500: '#3b3d9e',
    950: '#000000',
  },
}

SCSS

$custom: #3b3d9e;
$custom-light: #7c72bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3d9e",
  "rgb": {
    "r": 59,
    "g": 61,
    "b": 158
  },
  "hsl": {
    "h": 238.788,
    "s": 45.622,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41891,
    "c": 0.15393,
    "h": 276.6
  },
  "luminance": 0.06736
}

Semantic roles & 50–950 ramp

primary

#3B3D9E

secondary

#BBB97A

accent

#D353D5

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3B3D9E

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

Preview Lab → · Contrast checker → · Palette generator →