#3834BB#3834BB

#3834BB is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 42.9% C 0.203 H 274.9°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#3834BB
RGB	rgb(56, 52, 187)
HSL	hsl(242, 56%, 47%)
HSV	hsv(242, 72%, 73%)
CMYK	cmyk(70.1%, 72.2%, 0%, 26.7%)
CIE-LAB	lab(31.54, 44.70, -69.94)
CIE-LCH	lch(31.54, 83.00, 302.58°)
OKLab	oklab(42.88% 0.0174 -0.2022)
OKLCH	oklch(42.88% 0.203 274.9)
XYZ	xyz(11.8256, 6.8835, 47.7095)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.87

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3834BB #B7BB34

analogous

#3474BB #3834BB #7C34BB

triadic

#3834BB #BB3834 #34BB38

tetradic

#3834BB #BB3474 #B7BB34 #34BB7C

square

#3834BB #BB3474 #B7BB34 #34BB7C

split-complementary

#3834BB #BB7C34 #74BB34

monochromatic

#1B195B #2A278B #3834BB #5E5BD1 #8D8BDF

Accessibility & contrast

On white

8.83

#3834BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3834BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3834BB

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3834BB	#FFFFFF	#000000	##FFFFFF
##3834BB	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BF

Deuteranopia (green-blind)

#0044B9

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3834bb;
/* rgb */ color: rgb(56, 52, 187);
/* oklch */ color: oklch(42.9% 0.203 274.9);

Tailwind

colors: {
  custom: {
    50: '#816dd1',
    500: '#3834bb',
    950: '#000000',
  },
}

SCSS

$custom: #3834bb;
$custom-light: #816dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3834bb",
  "rgb": {
    "r": 56,
    "g": 52,
    "b": 187
  },
  "hsl": {
    "h": 241.778,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42883,
    "c": 0.20294,
    "h": 274.9
  },
  "luminance": 0.06885
}

Semantic roles & 50–950 ramp

primary

#3834BB

secondary

#C7C982

accent

#E048DB

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3834BB

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

Preview Lab → · Contrast checker → · Palette generator →