#3929B0#3929B0

#3929B0 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.3% C 0.200 H 277.8°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#3929B0
RGB	rgb(57, 41, 176)
HSL	hsl(247, 62%, 43%)
HSV	hsv(247, 77%, 69%)
CMYK	cmyk(67.6%, 76.7%, 0%, 31%)
CIE-LAB	lab(28.35, 47.32, -68.66)
CIE-LCH	lch(28.35, 83.38, 304.57°)
OKLab	oklab(40.31% 0.0272 -0.1983)
OKLCH	oklch(40.31% 0.2 277.8)
XYZ	xyz(10.3142, 5.5894, 41.6012)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3929B0 #A0B029

analogous

#295DB0 #3929B0 #7C29B0

triadic

#3929B0 #B03929 #29B039

tetradic

#3929B0 #B0295D #A0B029 #29B07C

square

#3929B0 #B0295D #A0B029 #29B07C

split-complementary

#3929B0 #B07C29 #5DB029

monochromatic

#19124D #291D7E #3929B0 #5443D3 #8175DF

Accessibility & contrast

On white

9.92

#3929B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3929B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3929B0

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3929B0	#FFFFFF	#000000	##FFFFFF
##3929B0	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B4

Deuteranopia (green-blind)

#003DAE

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3929b0;
/* rgb */ color: rgb(57, 41, 176);
/* oklch */ color: oklch(40.3% 0.200 277.8);

Tailwind

colors: {
  custom: {
    50: '#8066c9',
    500: '#3929b0',
    950: '#000000',
  },
}

SCSS

$custom: #3929b0;
$custom-light: #8066c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3929b0",
  "rgb": {
    "r": 57,
    "g": 41,
    "b": 176
  },
  "hsl": {
    "h": 247.111,
    "s": 62.212,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4031,
    "c": 0.2002,
    "h": 277.8
  },
  "luminance": 0.0559
}

Semantic roles & 50–950 ramp

primary

#3929B0

secondary

#BCC66F

accent

#E543D2

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3929B0

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

Preview Lab → · Contrast checker → · Palette generator →