#3A40BD#3A40BD

#3A40BD is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.1% C 0.192 H 273.6°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#3A40BD
RGB	rgb(58, 64, 189)
HSL	hsl(237, 53%, 48%)
HSV	hsv(237, 69%, 74%)
CMYK	cmyk(69.3%, 66.1%, 0%, 25.9%)
CIE-LAB	lab(34.48, 38.45, -66.29)
CIE-LCH	lch(34.48, 76.64, 300.12°)
OKLab	oklab(45.09% 0.012 -0.1915)
OKLCH	oklch(45.09% 0.192 273.6)
XYZ	xyz(12.7606, 8.2392, 49.0521)
Luminance	0.0824 (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

#3A40BD #BDB73A

analogous

#3A81BD #3A40BD #753ABD

triadic

#3A40BD #BD3A40 #40BD3A

tetradic

#3A40BD #BD3A81 #BDB73A #3ABD75

square

#3A40BD #BD3A81 #BDB73A #3ABD75

split-complementary

#3A40BD #BD753A #81BD3A

monochromatic

#1D205F #2C308E #3A40BD #6569D0 #9397DE

Accessibility & contrast

On white

7.93

#3A40BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3A40BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A40BD

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A40BD	#FFFFFF	#000000	##FFFFFF
##3A40BD	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C1

Deuteranopia (green-blind)

#004BBB

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3a40bd;
/* rgb */ color: rgb(58, 64, 189);
/* oklch */ color: oklch(45.1% 0.192 273.6);

Tailwind

colors: {
  custom: {
    50: '#8275d2',
    500: '#3a40bd',
    950: '#000000',
  },
}

SCSS

$custom: #3a40bd;
$custom-light: #8275d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a40bd",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 189
  },
  "hsl": {
    "h": 237.252,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45089,
    "c": 0.19184,
    "h": 273.6
  },
  "luminance": 0.0824
}

Semantic roles & 50–950 ramp

primary

#3A40BD

secondary

#C9C68A

accent

#D64BDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3A40BD

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

Preview Lab → · Contrast checker → · Palette generator →