#3930B5#3930B5

#3930B5 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.8% C 0.199 H 276.4°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#3930B5
RGB	rgb(57, 48, 181)
HSL	hsl(244, 58%, 45%)
HSV	hsv(244, 73%, 71%)
CMYK	cmyk(68.5%, 73.5%, 0%, 29%)
CIE-LAB	lab(30.20, 45.11, -68.59)
CIE-LCH	lch(30.20, 82.09, 303.34°)
OKLab	oklab(41.77% 0.0221 -0.1982)
OKLCH	oklch(41.77% 0.199 276.4)
XYZ	xyz(11.0821, 6.3190, 44.3428)
Luminance	0.0632 (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

#3930B5 #ACB530

analogous

#306AB5 #3930B5 #7B30B5

triadic

#3930B5 #B53930 #30B539

tetradic

#3930B5 #B5306A #ACB530 #30B57B

square

#3930B5 #B5306A #ACB530 #30B57B

split-complementary

#3930B5 #B57B30 #6AB530

monochromatic

#1B1654 #2A2385 #3930B5 #5A51D1 #8882DE

Accessibility & contrast

On white

9.28

#3930B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3930B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3930B5

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3930B5	#FFFFFF	#000000	##FFFFFF
##3930B5	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB9

Deuteranopia (green-blind)

#0041B3

Tritanopia (blue-blind)

#005670

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3930b5;
/* rgb */ color: rgb(57, 48, 181);
/* oklch */ color: oklch(41.8% 0.199 276.4);

Tailwind

colors: {
  custom: {
    50: '#816acc',
    500: '#3930b5',
    950: '#000000',
  },
}

SCSS

$custom: #3930b5;
$custom-light: #816acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3930b5",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 181
  },
  "hsl": {
    "h": 244.06,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4177,
    "c": 0.19942,
    "h": 276.4
  },
  "luminance": 0.0632
}

Semantic roles & 50–950 ramp

primary

#3930B5

secondary

#C2C77A

accent

#E146D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3930B5

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

Preview Lab → · Contrast checker → · Palette generator →