#3841B5#3841B5

#3841B5 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.4% C 0.181 H 273.1°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#3841B5
RGB	rgb(56, 65, 181)
HSL	hsl(236, 53%, 46%)
HSV	hsv(236, 69%, 71%)
CMYK	cmyk(69.1%, 64.1%, 0%, 29%)
CIE-LAB	lab(33.89, 34.79, -62.53)
CIE-LCH	lch(33.89, 71.56, 299.09°)
OKLab	oklab(44.42% 0.0096 -0.1805)
OKLCH	oklch(44.42% 0.181 273.1)
XYZ	xyz(11.8589, 7.9564, 44.6179)
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

#3841B5 #B5AC38

analogous

#3880B5 #3841B5 #6E38B5

triadic

#3841B5 #B53841 #41B538

tetradic

#3841B5 #B53880 #B5AC38 #38B56E

square

#3841B5 #B53880 #B5AC38 #38B56E

split-complementary

#3841B5 #B56E38 #80B538

monochromatic

#1B1F58 #2A3086 #3841B5 #5D65CD #8C92DB

Accessibility & contrast

On white

8.10

#3841B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3841B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3841B5

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3841B5	#FFFFFF	#000000	##FFFFFF
##3841B5	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)

#0055B9

Deuteranopia (green-blind)

#004AB3

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3841b5;
/* rgb */ color: rgb(56, 65, 181);
/* oklch */ color: oklch(44.4% 0.181 273.1);

Tailwind

colors: {
  custom: {
    50: '#7f76cc',
    500: '#3841b5',
    950: '#000000',
  },
}

SCSS

$custom: #3841b5;
$custom-light: #7f76cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3841b5",
  "rgb": {
    "r": 56,
    "g": 65,
    "b": 181
  },
  "hsl": {
    "h": 235.68,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44415,
    "c": 0.18077,
    "h": 273.1
  },
  "luminance": 0.07958
}

Semantic roles & 50–950 ramp

primary

#3841B5

secondary

#C6C183

accent

#D24CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3841B5

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

Preview Lab → · Contrast checker → · Palette generator →