#3929A1#3929A1

#3929A1 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.8% C 0.182 H 279.7°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#3929A1
RGB	rgb(57, 41, 161)
HSL	hsl(248, 59%, 40%)
HSV	hsv(248, 75%, 63%)
CMYK	cmyk(64.6%, 74.5%, 0%, 36.9%)
CIE-LAB	lab(26.82, 42.60, -62.15)
CIE-LCH	lch(26.82, 75.35, 304.43°)
OKLab	oklab(38.77% 0.0307 -0.1794)
OKLCH	oklch(38.77% 0.182 279.7)
XYZ	xyz(8.9113, 5.0282, 34.2123)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3929A1 #91A129

analogous

#2955A1 #3929A1 #7529A1

triadic

#3929A1 #A13929 #29A139

tetradic

#3929A1 #A12955 #91A129 #29A175

square

#3929A1 #A12955 #91A129 #29A175

split-complementary

#3929A1 #A17529 #55A129

monochromatic

#16103F #281D70 #3929A1 #4E3ACD #7A6BD9

Accessibility & contrast

On white

10.47

#3929A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#3929A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3929A1

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3929A1	#FFFFFF	#000000	##FFFFFF
##3929A1	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A4

Deuteranopia (green-blind)

#003B9F

Tritanopia (blue-blind)

#004B63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3929a1;
/* rgb */ color: rgb(57, 41, 161);
/* oklch */ color: oklch(38.8% 0.182 279.7);

Tailwind

colors: {
  custom: {
    50: '#7d65be',
    500: '#3929a1',
    950: '#000000',
  },
}

SCSS

$custom: #3929a1;
$custom-light: #7d65be;
$custom-dark: #000000;

JSON

{
  "hex": "#3929a1",
  "rgb": {
    "r": 57,
    "g": 41,
    "b": 161
  },
  "hsl": {
    "h": 248,
    "s": 59.406,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38766,
    "c": 0.18197,
    "h": 279.7
  },
  "luminance": 0.05029
}

Semantic roles & 50–950 ramp

primary

#3929A1

secondary

#B4C066

accent

#E345CE

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3929A1

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

Preview Lab → · Contrast checker → · Palette generator →