#3828AA#3828AA

#3828AA is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.5% C 0.194 H 278.2°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#3828AA
RGB	rgb(56, 40, 170)
HSL	hsl(247, 62%, 41%)
HSV	hsv(247, 76%, 67%)
CMYK	cmyk(67.1%, 76.5%, 0%, 33.3%)
CIE-LAB	lab(27.46, 45.86, -66.53)
CIE-LCH	lch(27.46, 80.80, 304.58°)
OKLab	oklab(39.48% 0.0278 -0.1922)
OKLCH	oklch(39.48% 0.194 278.2)
XYZ	xyz(9.6430, 5.2598, 38.5295)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3828AA #9AAA28

analogous

#2859AA #3828AA #7928AA

triadic

#3828AA #AA3828 #28AA38

tetradic

#3828AA #AA2859 #9AAA28 #28AA79

square

#3828AA #AA2859 #9AAA28 #28AA79

split-complementary

#3828AA #AA7928 #59AA28

monochromatic

#171147 #281C78 #3828AA #503ED2 #7D6FDD

Accessibility & contrast

On white

10.23

#3828AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3828AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3828AA

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3828AA	#FFFFFF	#000000	##FFFFFF
##3828AA	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AE

Deuteranopia (green-blind)

#003BA8

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3828aa;
/* rgb */ color: rgb(56, 40, 170);
/* oklch */ color: oklch(39.5% 0.194 278.2);

Tailwind

colors: {
  custom: {
    50: '#7f65c5',
    500: '#3828aa',
    950: '#000000',
  },
}

SCSS

$custom: #3828aa;
$custom-light: #7f65c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3828aa",
  "rgb": {
    "r": 56,
    "g": 40,
    "b": 170
  },
  "hsl": {
    "h": 247.385,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.39478,
    "c": 0.19416,
    "h": 278.2
  },
  "luminance": 0.05261
}

Semantic roles & 50–950 ramp

primary

#3828AA

secondary

#B9C46A

accent

#E543D1

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3828AA

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

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