#3838B2#3838B2

#3838B2 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.6% C 0.187 H 275.0°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#3838B2
RGB	rgb(56, 56, 178)
HSL	hsl(240, 52%, 46%)
HSV	hsv(240, 69%, 70%)
CMYK	cmyk(68.5%, 68.5%, 0%, 30.2%)
CIE-LAB	lab(31.54, 39.34, -64.61)
CIE-LCH	lch(31.54, 75.64, 301.33°)
OKLab	oklab(42.62% 0.0163 -0.1866)
OKLCH	oklch(42.62% 0.187 275)
XYZ	xyz(11.0783, 6.8824, 42.8555)
Luminance	0.0688 (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

#3838B2 #B2B238

analogous

#3875B2 #3838B2 #7538B2

triadic

#3838B2 #B23838 #38B238

tetradic

#3838B2 #B23875 #B2B238 #38B275

square

#3838B2 #B23875 #B2B238 #38B275

split-complementary

#3838B2 #B27538 #75B238

monochromatic

#1B1B55 #292983 #3838B2 #5C5CCC #8A8ADA

Accessibility & contrast

On white

8.84

#3838B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3838B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3838B2

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3838B2	#FFFFFF	#000000	##FFFFFF
##3838B2	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B6

Deuteranopia (green-blind)

#0045B0

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3838b2;
/* rgb */ color: rgb(56, 56, 178);
/* oklch */ color: oklch(42.6% 0.187 275.0);

Tailwind

colors: {
  custom: {
    50: '#7f6fca',
    500: '#3838b2',
    950: '#000000',
  },
}

SCSS

$custom: #3838b2;
$custom-light: #7f6fca;
$custom-dark: #000000;

JSON

{
  "hex": "#3838b2",
  "rgb": {
    "r": 56,
    "g": 56,
    "b": 178
  },
  "hsl": {
    "h": 240,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42621,
    "c": 0.18733,
    "h": 275
  },
  "luminance": 0.06883
}

Semantic roles & 50–950 ramp

primary

#3838B2

secondary

#C5C581

accent

#DC4CDC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3838B2

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

Preview Lab → · Contrast checker → · Palette generator →