#3840C1#3840C1

#3840C1 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.3% C 0.197 H 272.7°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#3840C1
RGB	rgb(56, 64, 193)
HSL	hsl(236, 55%, 49%)
HSV	hsv(236, 71%, 76%)
CMYK	cmyk(71%, 66.8%, 0%, 24.3%)
CIE-LAB	lab(34.71, 39.59, -68.25)
CIE-LCH	lch(34.71, 78.90, 300.12°)
OKLab	oklab(45.34% 0.0094 -0.1973)
OKLCH	oklch(45.34% 0.197 272.7)
XYZ	xyz(13.0867, 8.3565, 51.3650)
Luminance	0.0836 (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

#3840C1 #C1B938

analogous

#3885C1 #3840C1 #7538C1

triadic

#3840C1 #C13840 #40C138

tetradic

#3840C1 #C13885 #C1B938 #38C175

square

#3840C1 #C13885 #C1B938 #38C175

split-complementary

#3840C1 #C17538 #85C138

monochromatic

#1C2162 #2A3092 #3840C1 #646BD2 #9498E0

Accessibility & contrast

On white

7.86

#3840C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3840C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3840C1

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3840C1	#FFFFFF	#000000	##FFFFFF
##3840C1	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C5

Deuteranopia (green-blind)

#004BBF

Tritanopia (blue-blind)

#00627B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3840c1;
/* rgb */ color: rgb(56, 64, 193);
/* oklch */ color: oklch(45.3% 0.197 272.7);

Tailwind

colors: {
  custom: {
    50: '#8275d5',
    500: '#3840c1',
    950: '#000000',
  },
}

SCSS

$custom: #3840c1;
$custom-light: #8275d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3840c1",
  "rgb": {
    "r": 56,
    "g": 64,
    "b": 193
  },
  "hsl": {
    "h": 236.496,
    "s": 55.02,
    "l": 48.824
  },
  "oklch": {
    "l": 0.4534,
    "c": 0.19749,
    "h": 272.7
  },
  "luminance": 0.08358
}

Semantic roles & 50–950 ramp

primary

#3840C1

secondary

#CBC78A

accent

#D649DE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3840C1

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

Preview Lab → · Contrast checker → · Palette generator →