#3831C7#3831C7

#3831C7 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.7% C 0.220 H 274.4°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#3831C7
RGB	rgb(56, 49, 199)
HSL	hsl(243, 60%, 49%)
HSV	hsv(243, 75%, 78%)
CMYK	cmyk(71.9%, 75.4%, 0%, 22%)
CIE-LAB	lab(32.17, 50.23, -75.96)
CIE-LCH	lch(32.17, 91.06, 303.47°)
OKLab	oklab(43.69% 0.0167 -0.2197)
OKLCH	oklch(43.69% 0.22 274.4)
XYZ	xyz(13.0346, 7.1596, 54.7168)
Luminance	0.0716 (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

#3831C7 #C0C731

analogous

#3175C7 #3831C7 #8331C7

triadic

#3831C7 #C73831 #31C738

tetradic

#3831C7 #C73175 #C0C731 #31C783

square

#3831C7 #C73175 #C0C731 #31C783

split-complementary

#3831C7 #C78331 #75C731

monochromatic

#1C1965 #2A2596 #3831C7 #645ED7 #938FE3

Accessibility & contrast

On white

8.63

#3831C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3831C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3831C7

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3831C7	#FFFFFF	#000000	##FFFFFF
##3831C7	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052CB

Deuteranopia (green-blind)

#0045C4

Tritanopia (blue-blind)

#005D7A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3831c7;
/* rgb */ color: rgb(56, 49, 199);
/* oklch */ color: oklch(43.7% 0.220 274.4);

Tailwind

colors: {
  custom: {
    50: '#846cd9',
    500: '#3831c7',
    950: '#000000',
  },
}

SCSS

$custom: #3831c7;
$custom-light: #846cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3831c7",
  "rgb": {
    "r": 56,
    "g": 49,
    "b": 199
  },
  "hsl": {
    "h": 242.8,
    "s": 60.484,
    "l": 48.627
  },
  "oklch": {
    "l": 0.43691,
    "c": 0.22034,
    "h": 274.4
  },
  "luminance": 0.07161
}

Semantic roles & 50–950 ramp

primary

#3831C7

secondary

#CBCE86

accent

#E444DC

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3831C7

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

Preview Lab → · Contrast checker → · Palette generator →