#3B41B3#3B41B3

#3B41B3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.4% C 0.177 H 274.3°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#3B41B3
RGB	rgb(59, 65, 179)
HSL	hsl(237, 50%, 47%)
HSV	hsv(237, 67%, 70%)
CMYK	cmyk(67%, 63.7%, 0%, 29.8%)
CIE-LAB	lab(33.91, 34.51, -61.31)
CIE-LCH	lch(33.91, 70.36, 299.37°)
OKLab	oklab(44.42% 0.0132 -0.1769)
OKLCH	oklch(44.42% 0.177 274.3)
XYZ	xyz(11.8279, 7.9640, 43.5530)
Luminance	0.0796 (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

#3B41B3 #B3AD3B

analogous

#3B7DB3 #3B41B3 #713BB3

triadic

#3B41B3 #B33B41 #41B33B

tetradic

#3B41B3 #B33B7D #B3AD3B #3BB371

square

#3B41B3 #B33B7D #B3AD3B #3BB371

split-complementary

#3B41B3 #B3713B #7DB33B

monochromatic

#1D2057 #2C3085 #3B41B3 #6066CB #8E92DA

Accessibility & contrast

On white

8.10

#3B41B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3B41B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B41B3

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B41B3	#FFFFFF	#000000	##FFFFFF
##3B41B3	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#004AB1

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b41b3;
/* rgb */ color: rgb(59, 65, 179);
/* oklch */ color: oklch(44.4% 0.177 274.3);

Tailwind

colors: {
  custom: {
    50: '#8076cb',
    500: '#3b41b3',
    950: '#000000',
  },
}

SCSS

$custom: #3b41b3;
$custom-light: #8076cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b41b3",
  "rgb": {
    "r": 59,
    "g": 65,
    "b": 179
  },
  "hsl": {
    "h": 237,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44424,
    "c": 0.17735,
    "h": 274.3
  },
  "luminance": 0.07965
}

Semantic roles & 50–950 ramp

primary

#3B41B3

secondary

#C5C285

accent

#D34EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3B41B3

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

Preview Lab → · Contrast checker → · Palette generator →