#3930AB#3930AB

#3930AB is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.8% C 0.187 H 277.4°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#3930AB
RGB	rgb(57, 48, 171)
HSL	hsl(244, 56%, 43%)
HSV	hsv(244, 72%, 67%)
CMYK	cmyk(66.7%, 71.9%, 0%, 32.9%)
CIE-LAB	lab(29.22, 41.86, -64.23)
CIE-LCH	lch(29.22, 76.67, 303.09°)
OKLab	oklab(40.77% 0.024 -0.1855)
OKLCH	oklch(40.77% 0.187 277.4)
XYZ	xyz(10.0926, 5.9232, 39.1316)
Luminance	0.0592 (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

#3930AB #A2AB30

analogous

#3065AB #3930AB #7630AB

triadic

#3930AB #AB3930 #30AB39

tetradic

#3930AB #AB3065 #A2AB30 #30AB76

square

#3930AB #AB3065 #A2AB30 #30AB76

split-complementary

#3930AB #AB7630 #65AB30

monochromatic

#19154B #29237B #3930AB #554CCD #827BDA

Accessibility & contrast

On white

9.61

#3930AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3930AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3930AB

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3930AB	#FFFFFF	#000000	##FFFFFF
##3930AB	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAF

Deuteranopia (green-blind)

#0040A9

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3930ab;
/* rgb */ color: rgb(57, 48, 171);
/* oklch */ color: oklch(40.8% 0.187 277.4);

Tailwind

colors: {
  custom: {
    50: '#7f6ac5',
    500: '#3930ab',
    950: '#000000',
  },
}

SCSS

$custom: #3930ab;
$custom-light: #7f6ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3930ab",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 171
  },
  "hsl": {
    "h": 244.39,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40772,
    "c": 0.18704,
    "h": 277.4
  },
  "luminance": 0.05924
}

Semantic roles & 50–950 ramp

primary

#3930AB

secondary

#BDC374

accent

#DF48D4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3930AB

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

Preview Lab → · Contrast checker → · Palette generator →