#3929B2#3929B2

#3929B2 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.5% C 0.203 H 277.6°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#3929B2
RGB	rgb(57, 41, 178)
HSL	hsl(247, 63%, 43%)
HSV	hsv(247, 77%, 70%)
CMYK	cmyk(68%, 77%, 0%, 30.2%)
CIE-LAB	lab(28.56, 47.94, -69.51)
CIE-LCH	lch(28.56, 84.43, 304.59°)
OKLab	oklab(40.52% 0.0267 -0.2008)
OKLCH	oklch(40.52% 0.203 277.6)
XYZ	xyz(10.5136, 5.6692, 42.6511)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3929B2 #A2B229

analogous

#295EB2 #3929B2 #7D29B2

triadic

#3929B2 #B23929 #29B239

tetradic

#3929B2 #B2295E #A2B229 #29B27D

square

#3929B2 #B2295E #A2B229 #29B27D

split-complementary

#3929B2 #B27D29 #5EB229

monochromatic

#19124F #291E80 #3929B2 #5544D4 #8276DF

Accessibility & contrast

On white

9.84

#3929B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3929B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3929B2

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3929B2	#FFFFFF	#000000	##FFFFFF
##3929B2	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B6

Deuteranopia (green-blind)

#003EB0

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3929b2;
/* rgb */ color: rgb(57, 41, 178);
/* oklch */ color: oklch(40.5% 0.203 277.6);

Tailwind

colors: {
  custom: {
    50: '#8166ca',
    500: '#3929b2',
    950: '#000000',
  },
}

SCSS

$custom: #3929b2;
$custom-light: #8166ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3929b2",
  "rgb": {
    "r": 57,
    "g": 41,
    "b": 178
  },
  "hsl": {
    "h": 247.007,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4052,
    "c": 0.20259,
    "h": 277.6
  },
  "luminance": 0.0567
}

Semantic roles & 50–950 ramp

primary

#3929B2

secondary

#BDC770

accent

#E642D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3929B2

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

Preview Lab → · Contrast checker → · Palette generator →