#3840C5#3840C5

#3840C5 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 45.7% C 0.203 H 272.5°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#3840C5
RGB	rgb(56, 64, 197)
HSL	hsl(237, 56%, 50%)
HSV	hsv(237, 72%, 77%)
CMYK	cmyk(71.6%, 67.5%, 0%, 22.7%)
CIE-LAB	lab(35.08, 40.96, -70.00)
CIE-LCH	lch(35.08, 81.10, 300.34°)
OKLab	oklab(45.72% 0.009 -0.2024)
OKLCH	oklch(45.72% 0.203 272.5)
XYZ	xyz(13.5389, 8.5374, 53.7469)
Luminance	0.0854 (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

#3840C5 #C5BD38

analogous

#3886C5 #3840C5 #7738C5

triadic

#3840C5 #C53840 #40C538

tetradic

#3840C5 #C53886 #C5BD38 #38C577

square

#3840C5 #C53886 #C5BD38 #38C577

split-complementary

#3840C5 #C57738 #86C538

monochromatic

#1D2166 #2A3195 #3840C5 #676DD4 #969AE1

Accessibility & contrast

On white

7.76

#3840C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3840C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3840C5

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3840C5	#FFFFFF	#000000	##FFFFFF
##3840C5	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C9

Deuteranopia (green-blind)

#004CC3

Tritanopia (blue-blind)

#00647D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3840c5;
/* rgb */ color: rgb(56, 64, 197);
/* oklch */ color: oklch(45.7% 0.203 272.5);

Tailwind

colors: {
  custom: {
    50: '#8275d8',
    500: '#3840c5',
    950: '#000000',
  },
}

SCSS

$custom: #3840c5;
$custom-light: #8275d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3840c5",
  "rgb": {
    "r": 56,
    "g": 64,
    "b": 197
  },
  "hsl": {
    "h": 236.596,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45715,
    "c": 0.20257,
    "h": 272.5
  },
  "luminance": 0.08539
}

Semantic roles & 50–950 ramp

primary

#3840C5

secondary

#CDC98C

accent

#D749DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3840C5

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

Preview Lab → · Contrast checker → · Palette generator →