#3928C7#3928C7

#3928C7 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.7% C 0.228 H 275.5°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#3928C7
RGB	rgb(57, 40, 199)
HSL	hsl(246, 67%, 47%)
HSV	hsv(246, 80%, 78%)
CMYK	cmyk(71.4%, 79.9%, 0%, 22%)
CIE-LAB	lab(30.66, 54.83, -78.45)
CIE-LCH	lch(30.66, 95.71, 304.95°)
OKLab	oklab(42.66% 0.0218 -0.2268)
OKLCH	oklch(42.66% 0.228 275.5)
XYZ	xyz(12.7515, 6.5097, 54.6062)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3928C7 #B6C728

analogous

#2867C7 #3928C7 #8928C7

triadic

#3928C7 #C73928 #28C739

tetradic

#3928C7 #C72867 #B6C728 #28C789

square

#3928C7 #C72867 #B6C728 #28C789

split-complementary

#3928C7 #C78928 #67C728

monochromatic

#1C1461 #2A1E94 #3928C7 #5F50DC #8E83E6

Accessibility & contrast

On white

9.12

#3928C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3928C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3928C7

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3928C7	#FFFFFF	#000000	##FFFFFF
##3928C7	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FCB

Deuteranopia (green-blind)

#0041C4

Tritanopia (blue-blind)

#005978

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3928c7;
/* rgb */ color: rgb(57, 40, 199);
/* oklch */ color: oklch(42.7% 0.228 275.5);

Tailwind

colors: {
  custom: {
    50: '#8567d9',
    500: '#3928c7',
    950: '#000000',
  },
}

SCSS

$custom: #3928c7;
$custom-light: #8567d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3928c7",
  "rgb": {
    "r": 57,
    "g": 40,
    "b": 199
  },
  "hsl": {
    "h": 246.415,
    "s": 66.527,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42656,
    "c": 0.22785,
    "h": 275.5
  },
  "luminance": 0.06511
}

Semantic roles & 50–950 ramp

primary

#3928C7

secondary

#C6CF7C

accent

#E93ED7

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #3928C7

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

Preview Lab → · Contrast checker → · Palette generator →