#3930B8#3930B8

#3930B8 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.1% C 0.203 H 276.1°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#3930B8
RGB	rgb(57, 48, 184)
HSL	hsl(244, 59%, 45%)
HSV	hsv(244, 74%, 72%)
CMYK	cmyk(69%, 73.9%, 0%, 27.8%)
CIE-LAB	lab(30.50, 46.08, -69.87)
CIE-LCH	lch(30.50, 83.70, 303.41°)
OKLab	oklab(42.07% 0.0215 -0.2019)
OKLCH	oklch(42.07% 0.203 276.1)
XYZ	xyz(11.3932, 6.4434, 45.9814)
Luminance	0.0644 (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

#3930B8 #AFB830

analogous

#306BB8 #3930B8 #7D30B8

triadic

#3930B8 #B83930 #30B839

tetradic

#3930B8 #B8306B #AFB830 #30B87D

square

#3930B8 #B8306B #AFB830 #30B87D

split-complementary

#3930B8 #B87D30 #6BB830

monochromatic

#1B1757 #2A2387 #3930B8 #5B53D2 #8A84DF

Accessibility & contrast

On white

9.18

#3930B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3930B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3930B8

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3930B8	#FFFFFF	#000000	##FFFFFF
##3930B8	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBC

Deuteranopia (green-blind)

#0042B6

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3930b8;
/* rgb */ color: rgb(57, 48, 184);
/* oklch */ color: oklch(42.1% 0.203 276.1);

Tailwind

colors: {
  custom: {
    50: '#816acf',
    500: '#3930b8',
    950: '#000000',
  },
}

SCSS

$custom: #3930b8;
$custom-light: #816acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3930b8",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 184
  },
  "hsl": {
    "h": 243.971,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42074,
    "c": 0.20308,
    "h": 276.1
  },
  "luminance": 0.06444
}

Semantic roles & 50–950 ramp

primary

#3930B8

secondary

#C3C87C

accent

#E246D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3930B8

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

Preview Lab → · Contrast checker → · Palette generator →