#3838CF#3838CF

#3838CF is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.5% C 0.223 H 273.1°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#3838CF
RGB	rgb(56, 56, 207)
HSL	hsl(240, 61%, 52%)
HSV	hsv(240, 73%, 81%)
CMYK	cmyk(72.9%, 72.9%, 0%, 18.8%)
CIE-LAB	lab(34.34, 48.97, -77.03)
CIE-LCH	lch(34.34, 91.28, 302.45°)
OKLab	oklab(45.47% 0.0119 -0.2229)
OKLCH	oklch(45.47% 0.223 273.1)
XYZ	xyz(14.3038, 8.1726, 59.8430)
Luminance	0.0817 (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

#3838CF #CFCF38

analogous

#3884CF #3838CF #8438CF

triadic

#3838CF #CF3838 #38CF38

tetradic

#3838CF #CF3884 #CFCF38 #38CF84

square

#3838CF #CF3884 #CFCF38 #38CF84

split-complementary

#3838CF #CF8438 #84CF38

monochromatic

#1B1B71 #2727A3 #3838CF #6969DB #9B9BE7

Accessibility & contrast

On white

7.97

#3838CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3838CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3838CF

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3838CF	#FFFFFF	#000000	##FFFFFF
##3838CF	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D3

Deuteranopia (green-blind)

#0049CC

Tritanopia (blue-blind)

#006380

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3838cf;
/* rgb */ color: rgb(56, 56, 207);
/* oklch */ color: oklch(45.5% 0.223 273.1);

Tailwind

colors: {
  custom: {
    50: '#8570df',
    500: '#3838cf',
    950: '#000000',
  },
}

SCSS

$custom: #3838cf;
$custom-light: #8570df;
$custom-dark: #000000;

JSON

{
  "hex": "#3838cf",
  "rgb": {
    "r": 56,
    "g": 56,
    "b": 207
  },
  "hsl": {
    "h": 240,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.45473,
    "c": 0.2232,
    "h": 273.1
  },
  "luminance": 0.08174
}

Semantic roles & 50–950 ramp

primary

#3838CF

secondary

#D3D390

accent

#E444E4

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3838CF

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

Preview Lab → · Contrast checker → · Palette generator →