#3841B2#3841B2

#3841B2 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.1% C 0.177 H 273.2°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#3841B2
RGB	rgb(56, 65, 178)
HSL	hsl(236, 52%, 46%)
HSV	hsv(236, 69%, 70%)
CMYK	cmyk(68.5%, 63.5%, 0%, 30.2%)
CIE-LAB	lab(33.64, 33.74, -61.17)
CIE-LCH	lch(33.64, 69.86, 298.88°)
OKLab	oklab(44.15% 0.0098 -0.1765)
OKLCH	oklch(44.15% 0.177 273.2)
XYZ	xyz(11.5544, 7.8346, 43.0142)
Luminance	0.0784 (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

#3841B2 #B2A938

analogous

#387EB2 #3841B2 #6C38B2

triadic

#3841B2 #B23841 #41B238

tetradic

#3841B2 #B2387E #B2A938 #38B26C

square

#3841B2 #B2387E #B2A938 #38B26C

split-complementary

#3841B2 #B26C38 #7EB238

monochromatic

#1B1F55 #293083 #3841B2 #5C64CC #8A90DA

Accessibility & contrast

On white

8.18

#3841B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3841B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3841B2

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3841B2	#FFFFFF	#000000	##FFFFFF
##3841B2	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B6

Deuteranopia (green-blind)

#004AB0

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3841b2;
/* rgb */ color: rgb(56, 65, 178);
/* oklch */ color: oklch(44.1% 0.177 273.2);

Tailwind

colors: {
  custom: {
    50: '#7e75ca',
    500: '#3841b2',
    950: '#000000',
  },
}

SCSS

$custom: #3841b2;
$custom-light: #7e75ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3841b2",
  "rgb": {
    "r": 56,
    "g": 65,
    "b": 178
  },
  "hsl": {
    "h": 235.574,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.44149,
    "c": 0.17679,
    "h": 273.2
  },
  "luminance": 0.07836
}

Semantic roles & 50–950 ramp

primary

#3841B2

secondary

#C5C081

accent

#D14CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3841B2

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

Preview Lab → · Contrast checker → · Palette generator →