#3841B8#3841B8

#3841B8 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.185 H 272.9°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#3841B8
RGB	rgb(56, 65, 184)
HSL	hsl(236, 53%, 47%)
HSV	hsv(236, 70%, 72%)
CMYK	cmyk(69.6%, 64.7%, 0%, 27.8%)
CIE-LAB	lab(34.15, 35.84, -63.88)
CIE-LCH	lch(34.15, 73.25, 299.30°)
OKLab	oklab(44.69% 0.0094 -0.1845)
OKLCH	oklch(44.69% 0.185 272.9)
XYZ	xyz(12.1700, 8.0809, 46.2565)
Luminance	0.0808 (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

#3841B8 #B8AF38

analogous

#3881B8 #3841B8 #6F38B8

triadic

#3841B8 #B83841 #41B838

tetradic

#3841B8 #B83881 #B8AF38 #38B86F

square

#3841B8 #B83881 #B8AF38 #38B86F

split-complementary

#3841B8 #B86F38 #81B838

monochromatic

#1B205A #2A3089 #3841B8 #5F67CE #8E93DD

Accessibility & contrast

On white

8.03

#3841B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3841B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3841B8

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3841B8	#FFFFFF	#000000	##FFFFFF
##3841B8	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BC

Deuteranopia (green-blind)

#004AB6

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3841b8;
/* rgb */ color: rgb(56, 65, 184);
/* oklch */ color: oklch(44.7% 0.185 272.9);

Tailwind

colors: {
  custom: {
    50: '#8076ce',
    500: '#3841b8',
    950: '#000000',
  },
}

SCSS

$custom: #3841b8;
$custom-light: #8076ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3841b8",
  "rgb": {
    "r": 56,
    "g": 65,
    "b": 184
  },
  "hsl": {
    "h": 235.781,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44685,
    "c": 0.1847,
    "h": 272.9
  },
  "luminance": 0.08082
}

Semantic roles & 50–950 ramp

primary

#3841B8

secondary

#C7C285

accent

#D24BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3841B8

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

Preview Lab → · Contrast checker → · Palette generator →