#3B41B4#3B41B4

#3B41B4 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.179 H 274.2°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#3B41B4
RGB	rgb(59, 65, 180)
HSL	hsl(237, 51%, 47%)
HSV	hsv(237, 67%, 71%)
CMYK	cmyk(67.2%, 63.9%, 0%, 29.4%)
CIE-LAB	lab(33.99, 34.86, -61.77)
CIE-LCH	lch(33.99, 70.92, 299.44°)
OKLab	oklab(44.51% 0.0131 -0.1782)
OKLCH	oklch(44.51% 0.179 274.2)
XYZ	xyz(11.9294, 8.0046, 44.0875)
Luminance	0.0801 (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

#3B41B4 #B4AE3B

analogous

#3B7EB4 #3B41B4 #723BB4

triadic

#3B41B4 #B43B41 #41B43B

tetradic

#3B41B4 #B43B7E #B4AE3B #3BB472

square

#3B41B4 #B43B7E #B4AE3B #3BB472

split-complementary

#3B41B4 #B4723B #7EB43B

monochromatic

#1D2058 #2C3086 #3B41B4 #6166CB #8F93DA

Accessibility & contrast

On white

8.07

#3B41B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3B41B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B41B4

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B41B4	#FFFFFF	#000000	##FFFFFF
##3B41B4	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b41b4;
/* rgb */ color: rgb(59, 65, 180);
/* oklch */ color: oklch(44.5% 0.179 274.2);

Tailwind

colors: {
  custom: {
    50: '#8076cb',
    500: '#3b41b4',
    950: '#000000',
  },
}

SCSS

$custom: #3b41b4;
$custom-light: #8076cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b41b4",
  "rgb": {
    "r": 59,
    "g": 65,
    "b": 180
  },
  "hsl": {
    "h": 237.025,
    "s": 50.628,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44512,
    "c": 0.17867,
    "h": 274.2
  },
  "luminance": 0.08006
}

Semantic roles & 50–950 ramp

primary

#3B41B4

secondary

#C5C286

accent

#D34EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3B41B4

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

Preview Lab → · Contrast checker → · Palette generator →