#3840AE#3840AE

#3840AE is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.6% C 0.173 H 273.6°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#3840AE
RGB	rgb(56, 64, 174)
HSL	hsl(236, 51%, 45%)
HSV	hsv(236, 68%, 68%)
CMYK	cmyk(67.8%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(33.05, 32.97, -59.74)
CIE-LCH	lch(33.05, 68.23, 298.89°)
OKLab	oklab(43.62% 0.0108 -0.1723)
OKLCH	oklch(43.62% 0.173 273.6)
XYZ	xyz(11.1017, 7.5625, 40.9108)
Luminance	0.0756 (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

#3840AE #AEA638

analogous

#387BAE #3840AE #6B38AE

triadic

#3840AE #AE3840 #40AE38

tetradic

#3840AE #AE387B #AEA638 #38AE6B

square

#3840AE #AE387B #AEA638 #38AE6B

split-complementary

#3840AE #AE6B38 #7BAE38

monochromatic

#1A1E51 #292F80 #3840AE #5961CA #888DD9

Accessibility & contrast

On white

8.36

#3840AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3840AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3840AE

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3840AE	#FFFFFF	#000000	##FFFFFF
##3840AE	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B2

Deuteranopia (green-blind)

#0048AC

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3840ae;
/* rgb */ color: rgb(56, 64, 174);
/* oklch */ color: oklch(43.6% 0.173 273.6);

Tailwind

colors: {
  custom: {
    50: '#7e75c7',
    500: '#3840ae',
    950: '#000000',
  },
}

SCSS

$custom: #3840ae;
$custom-light: #7e75c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3840ae",
  "rgb": {
    "r": 56,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 235.932,
    "s": 51.304,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43617,
    "c": 0.17267,
    "h": 273.6
  },
  "luminance": 0.07564
}

Semantic roles & 50–950 ramp

primary

#3840AE

secondary

#C3BE7F

accent

#D14DDB

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3840AE

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

Preview Lab → · Contrast checker → · Palette generator →