#3A40C4#3A40C4

#3A40C4 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.7% C 0.201 H 273.2°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#3A40C4
RGB	rgb(58, 64, 196)
HSL	hsl(237, 54%, 50%)
HSV	hsv(237, 70%, 77%)
CMYK	cmyk(70.4%, 67.3%, 0%, 23.1%)
CIE-LAB	lab(35.10, 40.85, -69.37)
CIE-LCH	lch(35.10, 80.50, 300.49°)
OKLab	oklab(45.74% 0.0113 -0.2005)
OKLCH	oklch(45.74% 0.201 273.2)
XYZ	xyz(13.5388, 8.5505, 53.1508)
Luminance	0.0855 (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

#3A40C4 #C4BE3A

analogous

#3A85C4 #3A40C4 #793AC4

triadic

#3A40C4 #C43A40 #40C43A

tetradic

#3A40C4 #C43A85 #C4BE3A #3AC479

square

#3A40C4 #C43A85 #C4BE3A #3AC479

split-complementary

#3A40C4 #C4793A #85C43A

monochromatic

#1E2166 #2C3195 #3A40C4 #696DD3 #989BE0

Accessibility & contrast

On white

7.75

#3A40C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3A40C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A40C4

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A40C4	#FFFFFF	#000000	##FFFFFF
##3A40C4	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C8

Deuteranopia (green-blind)

#004CC2

Tritanopia (blue-blind)

#00637D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3a40c4;
/* rgb */ color: rgb(58, 64, 196);
/* oklch */ color: oklch(45.7% 0.201 273.2);

Tailwind

colors: {
  custom: {
    50: '#8375d7',
    500: '#3a40c4',
    950: '#000000',
  },
}

SCSS

$custom: #3a40c4;
$custom-light: #8375d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a40c4",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 196
  },
  "hsl": {
    "h": 237.391,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45737,
    "c": 0.20079,
    "h": 273.2
  },
  "luminance": 0.08552
}

Semantic roles & 50–950 ramp

primary

#3A40C4

secondary

#CCC98E

accent

#D74ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3A40C4

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

Preview Lab → · Contrast checker → · Palette generator →