#3B3FBA#3B3FBA

#3B3FBA is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.7% C 0.189 H 274.3°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#3B3FBA
RGB	rgb(59, 63, 186)
HSL	hsl(238, 52%, 48%)
HSV	hsv(238, 68%, 73%)
CMYK	cmyk(68.3%, 66.1%, 0%, 27.1%)
CIE-LAB	lab(34.04, 38.17, -65.23)
CIE-LCH	lch(34.04, 75.58, 300.33°)
OKLab	oklab(44.71% 0.0141 -0.1883)
OKLCH	oklch(44.71% 0.189 274.3)
XYZ	xyz(12.4411, 8.0288, 47.3389)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B3FBA #BAB63B

analogous

#3B7EBA #3B3FBA #763BBA

triadic

#3B3FBA #BA3B3F #3FBA3B

tetradic

#3B3FBA #BA3B7E #BAB63B #3BBA76

square

#3B3FBA #BA3B7E #BAB63B #3BBA76

split-complementary

#3B3FBA #BA763B #7EBA3B

monochromatic

#1E205D #2C2F8C #3B3FBA #6468CE #9395DD

Accessibility & contrast

On white

8.06

#3B3FBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3B3FBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3FBA

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3FBA	#FFFFFF	#000000	##FFFFFF
##3B3FBA	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BE

Deuteranopia (green-blind)

#004AB8

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b3fba;
/* rgb */ color: rgb(59, 63, 186);
/* oklch */ color: oklch(44.7% 0.189 274.3);

Tailwind

colors: {
  custom: {
    50: '#8174d0',
    500: '#3b3fba',
    950: '#000000',
  },
}

SCSS

$custom: #3b3fba;
$custom-light: #8174d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3fba",
  "rgb": {
    "r": 59,
    "g": 63,
    "b": 186
  },
  "hsl": {
    "h": 238.11,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44709,
    "c": 0.18888,
    "h": 274.3
  },
  "luminance": 0.0803
}

Semantic roles & 50–950 ramp

primary

#3B3FBA

secondary

#C8C689

accent

#D74DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3B3FBA

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

Preview Lab → · Contrast checker → · Palette generator →