#3928B6#3928B6

#3928B6 is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.8% C 0.208 H 277.2°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#3928B6
RGB	rgb(57, 40, 182)
HSL	hsl(247, 64%, 44%)
HSV	hsv(247, 78%, 71%)
CMYK	cmyk(68.7%, 78%, 0%, 28.6%)
CIE-LAB	lab(28.81, 49.68, -71.48)
CIE-LCH	lch(28.81, 87.05, 304.80°)
OKLab	oklab(40.82% 0.0262 -0.2066)
OKLCH	oklch(40.82% 0.208 277.2)
XYZ	xyz(10.8869, 5.7639, 44.7857)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3928B6 #A5B628

analogous

#285EB6 #3928B6 #8028B6

triadic

#3928B6 #B63928 #28B639

tetradic

#3928B6 #B6285E #A5B628 #28B680

square

#3928B6 #B6285E #A5B628 #28B680

split-complementary

#3928B6 #B68028 #5EB628

monochromatic

#1A1252 #291D84 #3928B6 #5645D6 #8477E1

Accessibility & contrast

On white

9.75

#3928B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#3928B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3928B6

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3928B6	#FFFFFF	#000000	##FFFFFF
##3928B6	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABA

Deuteranopia (green-blind)

#003EB4

Tritanopia (blue-blind)

#00536E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3928b6;
/* rgb */ color: rgb(57, 40, 182);
/* oklch */ color: oklch(40.8% 0.208 277.2);

Tailwind

colors: {
  custom: {
    50: '#8266cd',
    500: '#3928b6',
    950: '#000000',
  },
}

SCSS

$custom: #3928b6;
$custom-light: #8266cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3928b6",
  "rgb": {
    "r": 57,
    "g": 40,
    "b": 182
  },
  "hsl": {
    "h": 247.183,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40818,
    "c": 0.20822,
    "h": 277.2
  },
  "luminance": 0.05765
}

Semantic roles & 50–950 ramp

primary

#3928B6

secondary

#BEC971

accent

#E741D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3928B6

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

Preview Lab → · Contrast checker → · Palette generator →