#3A40C5#3A40C5

#3A40C5 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.8% C 0.202 H 273.2°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3A40C5
RGB	rgb(58, 64, 197)
HSL	hsl(237, 55%, 50%)
HSV	hsv(237, 71%, 77%)
CMYK	cmyk(70.6%, 67.5%, 0%, 22.7%)
CIE-LAB	lab(35.19, 41.19, -69.80)
CIE-LCH	lch(35.19, 81.05, 300.55°)
OKLab	oklab(45.83% 0.0112 -0.2017)
OKLCH	oklch(45.83% 0.202 273.2)
XYZ	xyz(13.6530, 8.5962, 53.7522)
Luminance	0.0860 (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

#3A40C5 #C5BF3A

analogous

#3A86C5 #3A40C5 #793AC5

triadic

#3A40C5 #C53A40 #40C53A

tetradic

#3A40C5 #C53A86 #C5BF3A #3AC579

square

#3A40C5 #C53A86 #C5BF3A #3AC579

split-complementary

#3A40C5 #C5793A #86C53A

monochromatic

#1E2166 #2C3196 #3A40C5 #696ED3 #999CE1

Accessibility & contrast

On white

7.72

#3A40C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3A40C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A40C5

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A40C5	#FFFFFF	#000000	##FFFFFF
##3A40C5	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C9

Deuteranopia (green-blind)

#004CC3

Tritanopia (blue-blind)

#00647D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3a40c5;
/* rgb */ color: rgb(58, 64, 197);
/* oklch */ color: oklch(45.8% 0.202 273.2);

Tailwind

colors: {
  custom: {
    50: '#8375d8',
    500: '#3a40c5',
    950: '#000000',
  },
}

SCSS

$custom: #3a40c5;
$custom-light: #8375d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a40c5",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 197
  },
  "hsl": {
    "h": 237.41,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.45831,
    "c": 0.20205,
    "h": 273.2
  },
  "luminance": 0.08598
}

Semantic roles & 50–950 ramp

primary

#3A40C5

secondary

#CDCA8E

accent

#D74ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3A40C5

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

Preview Lab → · Contrast checker → · Palette generator →