#3831C8#3831C8

#3831C8 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.8% C 0.222 H 274.3°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#3831C8
RGB	rgb(56, 49, 200)
HSL	hsl(243, 61%, 49%)
HSV	hsv(243, 76%, 78%)
CMYK	cmyk(72%, 75.5%, 0%, 21.6%)
CIE-LAB	lab(32.27, 50.54, -76.37)
CIE-LCH	lch(32.27, 91.58, 303.50°)
OKLab	oklab(43.8% 0.0165 -0.2209)
OKLCH	oklch(43.8% 0.222 274.3)
XYZ	xyz(13.1511, 7.2062, 55.3302)
Luminance	0.0721 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.88

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3831C8 #C1C831

analogous

#3176C8 #3831C8 #8431C8

triadic

#3831C8 #C83831 #31C838

tetradic

#3831C8 #C83176 #C1C831 #31C884

square

#3831C8 #C83176 #C1C831 #31C884

split-complementary

#3831C8 #C88431 #76C831

monochromatic

#1C1966 #2A2597 #3831C8 #645FD8 #9490E4

Accessibility & contrast

On white

8.60

#3831C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3831C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3831C8

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3831C8	#FFFFFF	#000000	##FFFFFF
##3831C8	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CC

Deuteranopia (green-blind)

#0045C5

Tritanopia (blue-blind)

#005E7B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3831c8;
/* rgb */ color: rgb(56, 49, 200);
/* oklch */ color: oklch(43.8% 0.222 274.3);

Tailwind

colors: {
  custom: {
    50: '#846cda',
    500: '#3831c8',
    950: '#000000',
  },
}

SCSS

$custom: #3831c8;
$custom-light: #846cda;
$custom-dark: #000000;

JSON

{
  "hex": "#3831c8",
  "rgb": {
    "r": 56,
    "g": 49,
    "b": 200
  },
  "hsl": {
    "h": 242.781,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.43795,
    "c": 0.22152,
    "h": 274.3
  },
  "luminance": 0.07208
}

Semantic roles & 50–950 ramp

primary

#3831C8

secondary

#CBCE86

accent

#E444DC

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3831C8

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

Preview Lab → · Contrast checker → · Palette generator →