#3838AB#3838AB

#3838AB is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.0% C 0.178 H 275.5°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#3838AB
RGB	rgb(56, 56, 171)
HSL	hsl(240, 51%, 45%)
HSV	hsv(240, 67%, 67%)
CMYK	cmyk(67.3%, 67.3%, 0%, 32.9%)
CIE-LAB	lab(30.90, 36.95, -61.48)
CIE-LCH	lch(30.90, 71.73, 301.01°)
OKLab	oklab(41.96% 0.0171 -0.1775)
OKLCH	oklch(41.96% 0.178 275.5)
XYZ	xyz(10.3933, 6.6085, 39.2480)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3838AB #ABAB38

analogous

#3872AB #3838AB #7238AB

triadic

#3838AB #AB3838 #38AB38

tetradic

#3838AB #AB3872 #ABAB38 #38AB72

square

#3838AB #AB3872 #ABAB38 #38AB72

split-complementary

#3838AB #AB7238 #72AB38

monochromatic

#1A1A4F #29297D #3838AB #5858C8 #8686D7

Accessibility & contrast

On white

9.04

#3838AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3838AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3838AB

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3838AB	#FFFFFF	#000000	##FFFFFF
##3838AB	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAF

Deuteranopia (green-blind)

#0044A9

Tritanopia (blue-blind)

#00566C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3838ab;
/* rgb */ color: rgb(56, 56, 171);
/* oklch */ color: oklch(42.0% 0.178 275.5);

Tailwind

colors: {
  custom: {
    50: '#7e6fc5',
    500: '#3838ab',
    950: '#000000',
  },
}

SCSS

$custom: #3838ab;
$custom-light: #7e6fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3838ab",
  "rgb": {
    "r": 56,
    "g": 56,
    "b": 171
  },
  "hsl": {
    "h": 240,
    "s": 50.661,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41962,
    "c": 0.17828,
    "h": 275.5
  },
  "luminance": 0.06609
}

Semantic roles & 50–950 ramp

primary

#3838AB

secondary

#C1C17D

accent

#DA4EDA

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3838AB

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

Preview Lab → · Contrast checker → · Palette generator →