#3929B3#3929B3

#3929B3 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.6% C 0.204 H 277.5°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#3929B3
RGB	rgb(57, 41, 179)
HSL	hsl(247, 63%, 43%)
HSV	hsv(247, 77%, 70%)
CMYK	cmyk(68.2%, 77.1%, 0%, 29.8%)
CIE-LAB	lab(28.67, 48.25, -69.93)
CIE-LCH	lch(28.67, 84.96, 304.60°)
OKLab	oklab(40.63% 0.0265 -0.202)
OKLCH	oklch(40.63% 0.204 277.5)
XYZ	xyz(10.6143, 5.7095, 43.1818)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3929B3 #A3B329

analogous

#295EB3 #3929B3 #7E29B3

triadic

#3929B3 #B33929 #29B339

tetradic

#3929B3 #B3295E #A3B329 #29B37E

square

#3929B3 #B3295E #A3B329 #29B37E

split-complementary

#3929B3 #B37E29 #5EB329

monochromatic

#19124F #291E81 #3929B3 #5545D4 #8377E0

Accessibility & contrast

On white

9.80

#3929B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3929B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3929B3

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3929B3	#FFFFFF	#000000	##FFFFFF
##3929B3	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B7

Deuteranopia (green-blind)

#003EB1

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3929b3;
/* rgb */ color: rgb(57, 41, 179);
/* oklch */ color: oklch(40.6% 0.204 277.5);

Tailwind

colors: {
  custom: {
    50: '#8166cb',
    500: '#3929b3',
    950: '#000000',
  },
}

SCSS

$custom: #3929b3;
$custom-light: #8166cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3929b3",
  "rgb": {
    "r": 57,
    "g": 41,
    "b": 179
  },
  "hsl": {
    "h": 246.957,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.40625,
    "c": 0.20378,
    "h": 277.5
  },
  "luminance": 0.0571
}

Semantic roles & 50–950 ramp

primary

#3929B3

secondary

#BDC770

accent

#E642D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3929B3

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

Preview Lab → · Contrast checker → · Palette generator →