#3929B4#3929B4

#3929B4 is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.7% C 0.205 H 277.3°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#3929B4
RGB	rgb(57, 41, 180)
HSL	hsl(247, 63%, 43%)
HSV	hsv(247, 77%, 71%)
CMYK	cmyk(68.3%, 77.2%, 0%, 29.4%)
CIE-LAB	lab(28.77, 48.56, -70.35)
CIE-LCH	lch(28.77, 85.48, 304.61°)
OKLab	oklab(40.73% 0.0262 -0.2033)
OKLCH	oklch(40.73% 0.205 277.3)
XYZ	xyz(10.7158, 5.7501, 43.7163)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3929B4 #A4B429

analogous

#295FB4 #3929B4 #7E29B4

triadic

#3929B4 #B43929 #29B439

tetradic

#3929B4 #B4295F #A4B429 #29B47E

square

#3929B4 #B4295F #A4B429 #29B47E

split-complementary

#3929B4 #B47E29 #5FB429

monochromatic

#191250 #291E82 #3929B4 #5645D5 #8377E0

Accessibility & contrast

On white

9.77

#3929B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#3929B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3929B4

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3929B4	#FFFFFF	#000000	##FFFFFF
##3929B4	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B8

Deuteranopia (green-blind)

#003EB2

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3929b4;
/* rgb */ color: rgb(57, 41, 180);
/* oklch */ color: oklch(40.7% 0.205 277.3);

Tailwind

colors: {
  custom: {
    50: '#8166cc',
    500: '#3929b4',
    950: '#000000',
  },
}

SCSS

$custom: #3929b4;
$custom-light: #8166cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3929b4",
  "rgb": {
    "r": 57,
    "g": 41,
    "b": 180
  },
  "hsl": {
    "h": 246.906,
    "s": 62.896,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4073,
    "c": 0.20496,
    "h": 277.3
  },
  "luminance": 0.05751
}

Semantic roles & 50–950 ramp

primary

#3929B4

secondary

#BEC871

accent

#E642D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3929B4

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

Preview Lab → · Contrast checker → · Palette generator →