#3930B9#3930B9

#3930B9 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.2% C 0.204 H 276.0°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#3930B9
RGB	rgb(57, 48, 185)
HSL	hsl(244, 59%, 46%)
HSV	hsv(244, 74%, 73%)
CMYK	cmyk(69.2%, 74.1%, 0%, 27.5%)
CIE-LAB	lab(30.61, 46.40, -70.30)
CIE-LCH	lch(30.61, 84.23, 303.43°)
OKLab	oklab(42.18% 0.0213 -0.2032)
OKLCH	oklch(42.18% 0.204 276)
XYZ	xyz(11.4984, 6.4855, 46.5354)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.33

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3930B9 #B0B930

analogous

#306BB9 #3930B9 #7E30B9

triadic

#3930B9 #B93930 #30B939

tetradic

#3930B9 #B9306B #B0B930 #30B97E

square

#3930B9 #B9306B #B0B930 #30B97E

split-complementary

#3930B9 #B97E30 #6BB930

monochromatic

#1B1758 #2A2388 #3930B9 #5C54D3 #8A84DF

Accessibility & contrast

On white

9.14

#3930B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3930B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3930B9

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3930B9	#FFFFFF	#000000	##FFFFFF
##3930B9	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBD

Deuteranopia (green-blind)

#0042B7

Tritanopia (blue-blind)

#005772

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3930b9;
/* rgb */ color: rgb(57, 48, 185);
/* oklch */ color: oklch(42.2% 0.204 276.0);

Tailwind

colors: {
  custom: {
    50: '#826acf',
    500: '#3930b9',
    950: '#000000',
  },
}

SCSS

$custom: #3930b9;
$custom-light: #826acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3930b9",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 185
  },
  "hsl": {
    "h": 243.942,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42176,
    "c": 0.2043,
    "h": 276
  },
  "luminance": 0.06487
}

Semantic roles & 50–950 ramp

primary

#3930B9

secondary

#C4C97C

accent

#E246D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3930B9

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

Preview Lab → · Contrast checker → · Palette generator →