#3930B3#3930B3

#3930B3 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.6% C 0.197 H 276.6°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#3930B3
RGB	rgb(57, 48, 179)
HSL	hsl(244, 58%, 45%)
HSV	hsv(244, 73%, 70%)
CMYK	cmyk(68.2%, 73.2%, 0%, 29.8%)
CIE-LAB	lab(30.00, 44.47, -67.72)
CIE-LCH	lch(30.00, 81.02, 303.29°)
OKLab	oklab(41.57% 0.0225 -0.1957)
OKLCH	oklch(41.57% 0.197 276.6)
XYZ	xyz(10.8783, 6.2375, 43.2698)
Luminance	0.0624 (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

#3930B3 #AAB330

analogous

#3069B3 #3930B3 #7B30B3

triadic

#3930B3 #B33930 #30B339

tetradic

#3930B3 #B33069 #AAB330 #30B37B

square

#3930B3 #B33069 #AAB330 #30B37B

split-complementary

#3930B3 #B37B30 #69B330

monochromatic

#1A1652 #2A2383 #3930B3 #5950D0 #8780DD

Accessibility & contrast

On white

9.34

#3930B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3930B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3930B3

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3930B3	#FFFFFF	#000000	##FFFFFF
##3930B3	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB7

Deuteranopia (green-blind)

#0041B1

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3930b3;
/* rgb */ color: rgb(57, 48, 179);
/* oklch */ color: oklch(41.6% 0.197 276.6);

Tailwind

colors: {
  custom: {
    50: '#806acb',
    500: '#3930b3',
    950: '#000000',
  },
}

SCSS

$custom: #3930b3;
$custom-light: #806acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3930b3",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 179
  },
  "hsl": {
    "h": 244.122,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41569,
    "c": 0.19697,
    "h": 276.6
  },
  "luminance": 0.06238
}

Semantic roles & 50–950 ramp

primary

#3930B3

secondary

#C1C679

accent

#E147D6

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3930B3

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

Preview Lab → · Contrast checker → · Palette generator →