#3C40D5#3C40D5

#3C40D5 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.5% C 0.221 H 273.0°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#3C40D5
RGB	rgb(60, 64, 213)
HSL	hsl(238, 65%, 54%)
HSV	hsv(238, 72%, 84%)
CMYK	cmyk(71.8%, 70%, 0%, 16.5%)
CIE-LAB	lab(36.80, 46.78, -76.44)
CIE-LCH	lch(36.80, 89.62, 301.46°)
OKLab	oklab(47.47% 0.0115 -0.2211)
OKLCH	oklch(47.47% 0.221 273)
XYZ	xyz(15.7031, 9.4300, 63.9305)
Luminance	0.0943 (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

#3C40D5 #D5D13C

analogous

#3C8CD5 #3C40D5 #843CD5

triadic

#3C40D5 #D53C40 #40D53C

tetradic

#3C40D5 #D53C8C #D5D13C #3CD584

square

#3C40D5 #D53C8C #D5D13C #3CD584

split-complementary

#3C40D5 #D5843C #8CD53C

monochromatic

#1B1D7C #2629AE #3C40D5 #6E71E0 #A1A3EB

Accessibility & contrast

On white

7.28

#3C40D5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#3C40D5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C40D5

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C40D5	#FFFFFF	#000000	##FFFFFF
##3C40D5	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED9

Deuteranopia (green-blind)

#004FD2

Tritanopia (blue-blind)

#006986

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3c40d5;
/* rgb */ color: rgb(60, 64, 213);
/* oklch */ color: oklch(47.5% 0.221 273.0);

Tailwind

colors: {
  custom: {
    50: '#8876e3',
    500: '#3c40d5',
    950: '#000000',
  },
}

SCSS

$custom: #3c40d5;
$custom-light: #8876e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3c40d5",
  "rgb": {
    "r": 60,
    "g": 64,
    "b": 213
  },
  "hsl": {
    "h": 238.431,
    "s": 64.557,
    "l": 53.529
  },
  "oklch": {
    "l": 0.4747,
    "c": 0.22139,
    "h": 273
  },
  "luminance": 0.09432
}

Semantic roles & 50–950 ramp

primary

#3C40D5

secondary

#D7D596

accent

#E340E8

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3C40D5

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

Preview Lab → · Contrast checker → · Palette generator →