#3841B7#3841B7

#3841B7 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.183 H 273.0°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#3841B7
RGB	rgb(56, 65, 183)
HSL	hsl(236, 53%, 47%)
HSV	hsv(236, 69%, 72%)
CMYK	cmyk(69.4%, 64.5%, 0%, 28.2%)
CIE-LAB	lab(34.06, 35.50, -63.43)
CIE-LCH	lch(34.06, 72.69, 299.23°)
OKLab	oklab(44.6% 0.0095 -0.1831)
OKLCH	oklch(44.6% 0.183 273)
XYZ	xyz(12.0656, 8.0391, 45.7064)
Luminance	0.0804 (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

#3841B7 #B7AE38

analogous

#3881B7 #3841B7 #6F38B7

triadic

#3841B7 #B73841 #41B738

tetradic

#3841B7 #B73881 #B7AE38 #38B76F

square

#3841B7 #B73881 #B7AE38 #38B76F

split-complementary

#3841B7 #B76F38 #81B738

monochromatic

#1B2059 #2A3088 #3841B7 #5E66CE #8D93DC

Accessibility & contrast

On white

8.05

#3841B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3841B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3841B7

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3841B7	#FFFFFF	#000000	##FFFFFF
##3841B7	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BB

Deuteranopia (green-blind)

#004AB5

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3841b7;
/* rgb */ color: rgb(56, 65, 183);
/* oklch */ color: oklch(44.6% 0.183 273.0);

Tailwind

colors: {
  custom: {
    50: '#7f76ce',
    500: '#3841b7',
    950: '#000000',
  },
}

SCSS

$custom: #3841b7;
$custom-light: #7f76ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3841b7",
  "rgb": {
    "r": 56,
    "g": 65,
    "b": 183
  },
  "hsl": {
    "h": 235.748,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44595,
    "c": 0.1834,
    "h": 273
  },
  "luminance": 0.0804
}

Semantic roles & 50–950 ramp

primary

#3841B7

secondary

#C7C284

accent

#D24BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3841B7

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

Preview Lab → · Contrast checker → · Palette generator →