#3840C3#3840C3

#3840C3 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.5% C 0.200 H 272.6°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#3840C3
RGB	rgb(56, 64, 195)
HSL	hsl(237, 55%, 49%)
HSV	hsv(237, 71%, 76%)
CMYK	cmyk(71.3%, 67.2%, 0%, 23.5%)
CIE-LAB	lab(34.90, 40.28, -69.13)
CIE-LCH	lch(34.90, 80.00, 300.23°)
OKLab	oklab(45.53% 0.0092 -0.1998)
OKLCH	oklch(45.53% 0.2 272.6)
XYZ	xyz(13.3113, 8.4464, 52.5480)
Luminance	0.0845 (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

#3840C3 #C3BB38

analogous

#3886C3 #3840C3 #7638C3

triadic

#3840C3 #C33840 #40C338

tetradic

#3840C3 #C33886 #C3BB38 #38C376

square

#3840C3 #C33886 #C3BB38 #38C376

split-complementary

#3840C3 #C37638 #86C338

monochromatic

#1D2164 #2A3093 #3840C3 #656CD3 #9599E1

Accessibility & contrast

On white

7.81

#3840C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3840C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3840C3

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3840C3	#FFFFFF	#000000	##FFFFFF
##3840C3	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C7

Deuteranopia (green-blind)

#004CC1

Tritanopia (blue-blind)

#00637C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3840c3;
/* rgb */ color: rgb(56, 64, 195);
/* oklch */ color: oklch(45.5% 0.200 272.6);

Tailwind

colors: {
  custom: {
    50: '#8275d6',
    500: '#3840c3',
    950: '#000000',
  },
}

SCSS

$custom: #3840c3;
$custom-light: #8275d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3840c3",
  "rgb": {
    "r": 56,
    "g": 64,
    "b": 195
  },
  "hsl": {
    "h": 236.547,
    "s": 55.378,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45527,
    "c": 0.20003,
    "h": 272.6
  },
  "luminance": 0.08448
}

Semantic roles & 50–950 ramp

primary

#3840C3

secondary

#CCC88B

accent

#D649DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3840C3

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

Preview Lab → · Contrast checker → · Palette generator →