#3B339B#3B339B

#3B339B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.163 H 279.5°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#3B339B
RGB	rgb(59, 51, 155)
HSL	hsl(245, 50%, 40%)
HSV	hsv(245, 67%, 61%)
CMYK	cmyk(61.9%, 67.1%, 0%, 39.2%)
CIE-LAB	lab(28.55, 35.05, -55.65)
CIE-LCH	lch(28.55, 65.77, 302.21°)
OKLab	oklab(39.88% 0.0268 -0.1603)
OKLCH	oklch(39.88% 0.163 279.5)
XYZ	xyz(8.9020, 5.6634, 31.6280)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.28

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B339B #939B33

analogous

#335F9B #3B339B #6F339B

triadic

#3B339B #9B3B33 #339B3B

tetradic

#3B339B #9B335F #939B33 #339B6F

square

#3B339B #9B335F #939B33 #339B6F

split-complementary

#3B339B #9B6F33 #5F9B33

monochromatic

#18153F #29246D #3B339B #5248C3 #7D76D2

Accessibility & contrast

On white

9.85

#3B339B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3B339B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B339B

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B339B	#FFFFFF	#000000	##FFFFFF
##3B339B	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#003F99

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3b339b;
/* rgb */ color: rgb(59, 51, 155);
/* oklch */ color: oklch(39.9% 0.163 279.5);

Tailwind

colors: {
  custom: {
    50: '#7c6bb9',
    500: '#3b339b',
    950: '#000000',
  },
}

SCSS

$custom: #3b339b;
$custom-light: #7c6bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b339b",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 155
  },
  "hsl": {
    "h": 244.615,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39876,
    "c": 0.16253,
    "h": 279.5
  },
  "luminance": 0.05664
}

Semantic roles & 50–950 ramp

primary

#3B339B

secondary

#B5BA6F

accent

#DA4ECF

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3B339B

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

Preview Lab → · Contrast checker → · Palette generator →