#3839B5#3839B5

#3839B5 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.1% C 0.190 H 274.6°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#3839B5
RGB	rgb(56, 57, 181)
HSL	hsl(240, 53%, 46%)
HSV	hsv(240, 69%, 71%)
CMYK	cmyk(69.1%, 68.5%, 0%, 29%)
CIE-LAB	lab(32.04, 39.75, -65.57)
CIE-LCH	lch(32.04, 76.68, 301.22°)
OKLab	oklab(43.07% 0.0152 -0.1894)
OKLCH	oklch(43.07% 0.19 274.6)
XYZ	xyz(11.4317, 7.1021, 44.4755)
Luminance	0.0710 (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

#3839B5 #B5B438

analogous

#3878B5 #3839B5 #7638B5

triadic

#3839B5 #B53839 #39B538

tetradic

#3839B5 #B53878 #B5B438 #38B576

square

#3839B5 #B53878 #B5B438 #38B576

split-complementary

#3839B5 #B57638 #78B538

monochromatic

#1B1C58 #2A2A86 #3839B5 #5D5ECD #8C8DDB

Accessibility & contrast

On white

8.68

#3839B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3839B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839B5

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839B5	#FFFFFF	#000000	##FFFFFF
##3839B5	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B9

Deuteranopia (green-blind)

#0046B3

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3839b5;
/* rgb */ color: rgb(56, 57, 181);
/* oklch */ color: oklch(43.1% 0.190 274.6);

Tailwind

colors: {
  custom: {
    50: '#8070cc',
    500: '#3839b5',
    950: '#000000',
  },
}

SCSS

$custom: #3839b5;
$custom-light: #8070cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3839b5",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 181
  },
  "hsl": {
    "h": 239.52,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43067,
    "c": 0.19004,
    "h": 274.6
  },
  "luminance": 0.07103
}

Semantic roles & 50–950 ramp

primary

#3839B5

secondary

#C6C583

accent

#DB4CDC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3839B5

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

Preview Lab → · Contrast checker → · Palette generator →