#3928B9#3928B9

#3928B9 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.1% C 0.212 H 276.9°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#3928B9
RGB	rgb(57, 40, 185)
HSL	hsl(247, 64%, 44%)
HSV	hsv(247, 78%, 73%)
CMYK	cmyk(69.2%, 78.4%, 0%, 27.5%)
CIE-LAB	lab(29.13, 50.60, -72.73)
CIE-LCH	lch(29.13, 88.60, 304.83°)
OKLab	oklab(41.14% 0.0255 -0.2102)
OKLCH	oklch(41.14% 0.212 276.9)
XYZ	xyz(11.2002, 5.8892, 46.4360)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3928B9 #A8B928

analogous

#2860B9 #3928B9 #8128B9

triadic

#3928B9 #B93928 #28B939

tetradic

#3928B9 #B92860 #A8B928 #28B981

square

#3928B9 #B92860 #A8B928 #28B981

split-complementary

#3928B9 #B98128 #60B928

monochromatic

#1A1254 #291D87 #3928B9 #5847D7 #8679E2

Accessibility & contrast

On white

9.64

#3928B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3928B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3928B9

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3928B9	#FFFFFF	#000000	##FFFFFF
##3928B9	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBD

Deuteranopia (green-blind)

#003EB6

Tritanopia (blue-blind)

#005470

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3928b9;
/* rgb */ color: rgb(57, 40, 185);
/* oklch */ color: oklch(41.1% 0.212 276.9);

Tailwind

colors: {
  custom: {
    50: '#8266cf',
    500: '#3928b9',
    950: '#000000',
  },
}

SCSS

$custom: #3928b9;
$custom-light: #8266cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3928b9",
  "rgb": {
    "r": 57,
    "g": 40,
    "b": 185
  },
  "hsl": {
    "h": 247.034,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41139,
    "c": 0.21173,
    "h": 276.9
  },
  "luminance": 0.0589
}

Semantic roles & 50–950 ramp

primary

#3928B9

secondary

#C0CA73

accent

#E740D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3928B9

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

Preview Lab → · Contrast checker → · Palette generator →