#3841B9#3841B9

#3841B9 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.8% C 0.186 H 272.9°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#3841B9
RGB	rgb(56, 65, 185)
HSL	hsl(236, 54%, 47%)
HSV	hsv(236, 70%, 73%)
CMYK	cmyk(69.7%, 64.9%, 0%, 27.5%)
CIE-LAB	lab(34.24, 36.19, -64.33)
CIE-LCH	lch(34.24, 73.81, 299.36°)
OKLab	oklab(44.78% 0.0094 -0.1858)
OKLCH	oklch(44.78% 0.186 272.9)
XYZ	xyz(12.2752, 8.1230, 46.8105)
Luminance	0.0812 (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

#3841B9 #B9B038

analogous

#3882B9 #3841B9 #7038B9

triadic

#3841B9 #B93841 #41B938

tetradic

#3841B9 #B93882 #B9B038 #38B970

square

#3841B9 #B93882 #B9B038 #38B970

split-complementary

#3841B9 #B97038 #82B938

monochromatic

#1C205B #2A308A #3841B9 #5F67CF #8E94DD

Accessibility & contrast

On white

8.00

#3841B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3841B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3841B9

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3841B9	#FFFFFF	#000000	##FFFFFF
##3841B9	1.00	8.00	2.62	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BD

Deuteranopia (green-blind)

#004BB7

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3841b9;
/* rgb */ color: rgb(56, 65, 185);
/* oklch */ color: oklch(44.8% 0.186 272.9);

Tailwind

colors: {
  custom: {
    50: '#8076cf',
    500: '#3841b9',
    950: '#000000',
  },
}

SCSS

$custom: #3841b9;
$custom-light: #8076cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3841b9",
  "rgb": {
    "r": 56,
    "g": 65,
    "b": 185
  },
  "hsl": {
    "h": 235.814,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44775,
    "c": 0.18602,
    "h": 272.9
  },
  "luminance": 0.08124
}

Semantic roles & 50–950 ramp

primary

#3841B9

secondary

#C8C385

accent

#D34BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3841B9

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

Preview Lab → · Contrast checker → · Palette generator →