#3B3FA4#3B3FA4

#3B3FA4 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.160 H 275.6°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#3B3FA4
RGB	rgb(59, 63, 164)
HSL	hsl(238, 47%, 44%)
HSV	hsv(238, 64%, 64%)
CMYK	cmyk(64%, 61.6%, 0%, 35.7%)
CIE-LAB	lab(32.18, 30.56, -55.17)
CIE-LCH	lch(32.18, 63.07, 298.98°)
OKLab	oklab(42.77% 0.0156 -0.1588)
OKLCH	oklch(42.77% 0.16 275.6)
XYZ	xyz(10.2798, 7.1643, 35.9559)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.32

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B3FA4 #A4A03B

analogous

#3B73A4 #3B3FA4 #6B3BA4

triadic

#3B3FA4 #A43B3F #3FA43B

tetradic

#3B3FA4 #A43B73 #A4A03B #3BA46B

square

#3B3FA4 #A43B73 #A4A03B #3BA46B

split-complementary

#3B3FA4 #A46B3B #73A43B

monochromatic

#1B1C4A #2B2E77 #3B3FA4 #595DC3 #8689D3

Accessibility & contrast

On white

8.63

#3B3FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3B3FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3FA4

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3FA4	#FFFFFF	#000000	##FFFFFF
##3B3FA4	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A7

Deuteranopia (green-blind)

#0047A2

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3b3fa4;
/* rgb */ color: rgb(59, 63, 164);
/* oklch */ color: oklch(42.8% 0.160 275.6);

Tailwind

colors: {
  custom: {
    50: '#7d74c0',
    500: '#3b3fa4',
    950: '#000000',
  },
}

SCSS

$custom: #3b3fa4;
$custom-light: #7d74c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3fa4",
  "rgb": {
    "r": 59,
    "g": 63,
    "b": 164
  },
  "hsl": {
    "h": 237.714,
    "s": 47.085,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42766,
    "c": 0.15961,
    "h": 275.6
  },
  "luminance": 0.07165
}

Semantic roles & 50–950 ramp

primary

#3B3FA4

secondary

#BEBB7D

accent

#D251D7

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3B3FA4

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

Preview Lab → · Contrast checker → · Palette generator →