#3B31BF#3B31BF

#3B31BF is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.1% C 0.210 H 276.0°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#3B31BF
RGB	rgb(59, 49, 191)
HSL	hsl(244, 59%, 47%)
HSV	hsv(244, 74%, 75%)
CMYK	cmyk(69.1%, 74.3%, 0%, 25.1%)
CIE-LAB	lab(31.55, 47.98, -72.28)
CIE-LCH	lch(31.55, 86.75, 303.57°)
OKLab	oklab(43.06% 0.0221 -0.2089)
OKLCH	oklch(43.06% 0.21 276)
XYZ	xyz(12.3028, 6.8869, 49.9611)
Luminance	0.0689 (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

#3B31BF #B5BF31

analogous

#316EBF #3B31BF #8231BF

triadic

#3B31BF #BF3B31 #31BF3B

tetradic

#3B31BF #BF316E #B5BF31 #31BF82

square

#3B31BF #BF316E #B5BF31 #31BF82

split-complementary

#3B31BF #BF8231 #6EBF31

monochromatic

#1D185E #2C258E #3B31BF #6259D4 #908AE1

Accessibility & contrast

On white

8.83

#3B31BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3B31BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B31BF

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B31BF	#FFFFFF	#000000	##FFFFFF
##3B31BF	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C3

Deuteranopia (green-blind)

#0044BC

Tritanopia (blue-blind)

#005A76

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3b31bf;
/* rgb */ color: rgb(59, 49, 191);
/* oklch */ color: oklch(43.1% 0.210 276.0);

Tailwind

colors: {
  custom: {
    50: '#846bd4',
    500: '#3b31bf',
    950: '#000000',
  },
}

SCSS

$custom: #3b31bf;
$custom-light: #846bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3b31bf",
  "rgb": {
    "r": 59,
    "g": 49,
    "b": 191
  },
  "hsl": {
    "h": 244.225,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43062,
    "c": 0.21009,
    "h": 276
  },
  "luminance": 0.06888
}

Semantic roles & 50–950 ramp

primary

#3B31BF

secondary

#C6CB81

accent

#E245D7

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3B31BF

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

Preview Lab → · Contrast checker → · Palette generator →