#3839B7#3839B7

#3839B7 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.3% C 0.193 H 274.5°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#3839B7
RGB	rgb(56, 57, 183)
HSL	hsl(240, 53%, 47%)
HSV	hsv(240, 69%, 72%)
CMYK	cmyk(69.4%, 68.9%, 0%, 28.2%)
CIE-LAB	lab(32.22, 40.43, -66.45)
CIE-LCH	lch(32.22, 77.78, 301.31°)
OKLab	oklab(43.26% 0.015 -0.192)
OKLCH	oklch(43.26% 0.193 274.5)
XYZ	xyz(11.6384, 7.1848, 45.5640)
Luminance	0.0719 (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

#3839B7 #B7B638

analogous

#3878B7 #3839B7 #7738B7

triadic

#3839B7 #B73839 #39B738

tetradic

#3839B7 #B73878 #B7B638 #38B777

square

#3839B7 #B73878 #B7B638 #38B777

split-complementary

#3839B7 #B77738 #78B738

monochromatic

#1B1C59 #2A2A88 #3839B7 #5E5FCE #8D8EDC

Accessibility & contrast

On white

8.62

#3839B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3839B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839B7

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839B7	#FFFFFF	#000000	##FFFFFF
##3839B7	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BB

Deuteranopia (green-blind)

#0046B5

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3839b7;
/* rgb */ color: rgb(56, 57, 183);
/* oklch */ color: oklch(43.3% 0.193 274.5);

Tailwind

colors: {
  custom: {
    50: '#8070ce',
    500: '#3839b7',
    950: '#000000',
  },
}

SCSS

$custom: #3839b7;
$custom-light: #8070ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3839b7",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 183
  },
  "hsl": {
    "h": 239.528,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43257,
    "c": 0.19259,
    "h": 274.5
  },
  "luminance": 0.07186
}

Semantic roles & 50–950 ramp

primary

#3839B7

secondary

#C7C684

accent

#DB4BDD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3839B7

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

Preview Lab → · Contrast checker → · Palette generator →