#3930A4#3930A4

#3930A4 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.1% C 0.178 H 278.1°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#3930A4
RGB	rgb(57, 48, 164)
HSL	hsl(245, 55%, 42%)
HSV	hsv(245, 71%, 64%)
CMYK	cmyk(65.2%, 70.7%, 0%, 35.7%)
CIE-LAB	lab(28.55, 39.56, -61.12)
CIE-LCH	lch(28.55, 72.81, 302.92°)
OKLab	oklab(40.09% 0.0252 -0.1764)
OKLCH	oklch(40.09% 0.178 278.1)
XYZ	xyz(9.4430, 5.6633, 35.7103)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3930A4 #9BA430

analogous

#3061A4 #3930A4 #7330A4

triadic

#3930A4 #A43930 #30A439

tetradic

#3930A4 #A43061 #9BA430 #30A473

square

#3930A4 #A43061 #9BA430 #30A473

split-complementary

#3930A4 #A47330 #61A430

monochromatic

#181445 #292275 #3930A4 #5248C9 #7F77D7

Accessibility & contrast

On white

9.85

#3930A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3930A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3930A4

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3930A4	#FFFFFF	#000000	##FFFFFF
##3930A4	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A7

Deuteranopia (green-blind)

#003FA2

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3930a4;
/* rgb */ color: rgb(57, 48, 164);
/* oklch */ color: oklch(40.1% 0.178 278.1);

Tailwind

colors: {
  custom: {
    50: '#7d6ac0',
    500: '#3930a4',
    950: '#000000',
  },
}

SCSS

$custom: #3930a4;
$custom-light: #7d6ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#3930a4",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 164
  },
  "hsl": {
    "h": 244.655,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40088,
    "c": 0.17819,
    "h": 278.1
  },
  "luminance": 0.05664
}

Semantic roles & 50–950 ramp

primary

#3930A4

secondary

#B9BF70

accent

#DE4AD3

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3930A4

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

Preview Lab → · Contrast checker → · Palette generator →