#3B3FA1#3B3FA1

#3B3FA1 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.5% C 0.155 H 275.8°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3B3FA1
RGB	rgb(59, 63, 161)
HSL	hsl(238, 46%, 43%)
HSV	hsv(238, 63%, 63%)
CMYK	cmyk(63.4%, 60.9%, 0%, 36.9%)
CIE-LAB	lab(31.94, 29.51, -53.76)
CIE-LCH	lch(31.94, 61.33, 298.77°)
OKLab	oklab(42.51% 0.0157 -0.1547)
OKLCH	oklch(42.51% 0.155 275.8)
XYZ	xyz(10.0121, 7.0572, 34.5459)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B3FA1 #A19D3B

analogous

#3B72A1 #3B3FA1 #6A3BA1

triadic

#3B3FA1 #A13B3F #3FA13B

tetradic

#3B3FA1 #A13B72 #A19D3B #3BA16A

square

#3B3FA1 #A13B72 #A19D3B #3BA16A

split-complementary

#3B3FA1 #A16A3B #72A13B

monochromatic

#1A1C47 #2B2D74 #3B3FA1 #585CC2 #8487D2

Accessibility & contrast

On white

8.71

#3B3FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3B3FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3FA1

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3FA1	#FFFFFF	#000000	##FFFFFF
##3B3FA1	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A4

Deuteranopia (green-blind)

#00479F

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3b3fa1;
/* rgb */ color: rgb(59, 63, 161);
/* oklch */ color: oklch(42.5% 0.155 275.8);

Tailwind

colors: {
  custom: {
    50: '#7c74be',
    500: '#3b3fa1',
    950: '#000000',
  },
}

SCSS

$custom: #3b3fa1;
$custom-light: #7c74be;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3fa1",
  "rgb": {
    "r": 59,
    "g": 63,
    "b": 161
  },
  "hsl": {
    "h": 237.647,
    "s": 46.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42513,
    "c": 0.15548,
    "h": 275.8
  },
  "luminance": 0.07058
}

Semantic roles & 50–950 ramp

primary

#3B3FA1

secondary

#BCBA7C

accent

#D152D6

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3B3FA1

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

Preview Lab → · Contrast checker → · Palette generator →