#3829B1#3829B1

#3829B1 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.3% C 0.202 H 277.3°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#3829B1
RGB	rgb(56, 41, 177)
HSL	hsl(247, 62%, 43%)
HSV	hsv(247, 77%, 69%)
CMYK	cmyk(68.4%, 76.8%, 0%, 30.6%)
CIE-LAB	lab(28.38, 47.53, -69.21)
CIE-LCH	lch(28.38, 83.96, 304.48°)
OKLab	oklab(40.34% 0.0256 -0.2)
OKLCH	oklch(40.34% 0.202 277.3)
XYZ	xyz(10.3571, 5.6000, 42.1216)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3829B1 #A2B129

analogous

#295EB1 #3829B1 #7C29B1

triadic

#3829B1 #B13829 #29B138

tetradic

#3829B1 #B1295E #A2B129 #29B17C

square

#3829B1 #B1295E #A2B129 #29B17C

split-complementary

#3829B1 #B17C29 #5EB129

monochromatic

#19124E #281D7F #3829B1 #5344D4 #8175DF

Accessibility & contrast

On white

9.90

#3829B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3829B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3829B1

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3829B1	#FFFFFF	#000000	##FFFFFF
##3829B1	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B5

Deuteranopia (green-blind)

#003DAF

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3829b1;
/* rgb */ color: rgb(56, 41, 177);
/* oklch */ color: oklch(40.3% 0.202 277.3);

Tailwind

colors: {
  custom: {
    50: '#8066ca',
    500: '#3829b1',
    950: '#000000',
  },
}

SCSS

$custom: #3829b1;
$custom-light: #8066ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3829b1",
  "rgb": {
    "r": 56,
    "g": 41,
    "b": 177
  },
  "hsl": {
    "h": 246.618,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40341,
    "c": 0.20162,
    "h": 277.3
  },
  "luminance": 0.05601
}

Semantic roles & 50–950 ramp

primary

#3829B1

secondary

#BDC76F

accent

#E542D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3829B1

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

Preview Lab → · Contrast checker → · Palette generator →