#3929B5#3929B5

#3929B5 is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.8% C 0.206 H 277.2°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#3929B5
RGB	rgb(57, 41, 181)
HSL	hsl(247, 63%, 44%)
HSV	hsv(247, 77%, 71%)
CMYK	cmyk(68.5%, 77.3%, 0%, 29%)
CIE-LAB	lab(28.88, 48.87, -70.77)
CIE-LCH	lch(28.88, 86.00, 304.63°)
OKLab	oklab(40.84% 0.026 -0.2045)
OKLCH	oklch(40.84% 0.206 277.2)
XYZ	xyz(10.8181, 5.7910, 44.2548)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3929B5 #A5B529

analogous

#295FB5 #3929B5 #7F29B5

triadic

#3929B5 #B53929 #29B539

tetradic

#3929B5 #B5295F #A5B529 #29B57F

square

#3929B5 #B5295F #A5B529 #29B57F

split-complementary

#3929B5 #B57F29 #5FB529

monochromatic

#1A1251 #291E83 #3929B5 #5646D5 #8478E0

Accessibility & contrast

On white

9.73

#3929B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#3929B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3929B5

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3929B5	#FFFFFF	#000000	##FFFFFF
##3929B5	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB9

Deuteranopia (green-blind)

#003EB3

Tritanopia (blue-blind)

#00536E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3929b5;
/* rgb */ color: rgb(57, 41, 181);
/* oklch */ color: oklch(40.8% 0.206 277.2);

Tailwind

colors: {
  custom: {
    50: '#8166cc',
    500: '#3929b5',
    950: '#000000',
  },
}

SCSS

$custom: #3929b5;
$custom-light: #8166cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3929b5",
  "rgb": {
    "r": 57,
    "g": 41,
    "b": 181
  },
  "hsl": {
    "h": 246.857,
    "s": 63.063,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40836,
    "c": 0.20614,
    "h": 277.2
  },
  "luminance": 0.05792
}

Semantic roles & 50–950 ramp

primary

#3929B5

secondary

#BEC872

accent

#E642D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3929B5

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

Preview Lab → · Contrast checker → · Palette generator →