#3A40C0#3A40C0

#3A40C0 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.4% C 0.196 H 273.4°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#3A40C0
RGB	rgb(58, 64, 192)
HSL	hsl(237, 54%, 49%)
HSV	hsv(237, 70%, 75%)
CMYK	cmyk(69.8%, 66.7%, 0%, 24.7%)
CIE-LAB	lab(34.74, 39.48, -67.61)
CIE-LCH	lch(34.74, 78.30, 300.28°)
OKLab	oklab(45.37% 0.0117 -0.1953)
OKLCH	oklch(45.37% 0.196 273.4)
XYZ	xyz(13.0896, 8.3708, 50.7849)
Luminance	0.0837 (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

#3A40C0 #C0BA3A

analogous

#3A83C0 #3A40C0 #773AC0

triadic

#3A40C0 #C03A40 #40C03A

tetradic

#3A40C0 #C03A83 #C0BA3A #3AC077

square

#3A40C0 #C03A83 #C0BA3A #3AC077

split-complementary

#3A40C0 #C0773A #83C03A

monochromatic

#1E2162 #2C3091 #3A40C0 #666BD1 #9599DF

Accessibility & contrast

On white

7.85

#3A40C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3A40C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A40C0

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A40C0	#FFFFFF	#000000	##FFFFFF
##3A40C0	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C4

Deuteranopia (green-blind)

#004CBE

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a40c0;
/* rgb */ color: rgb(58, 64, 192);
/* oklch */ color: oklch(45.4% 0.196 273.4);

Tailwind

colors: {
  custom: {
    50: '#8275d4',
    500: '#3a40c0',
    950: '#000000',
  },
}

SCSS

$custom: #3a40c0;
$custom-light: #8275d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a40c0",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 192
  },
  "hsl": {
    "h": 237.313,
    "s": 53.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45365,
    "c": 0.1957,
    "h": 273.4
  },
  "luminance": 0.08372
}

Semantic roles & 50–950 ramp

primary

#3A40C0

secondary

#CAC88B

accent

#D64BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3A40C0

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

Preview Lab → · Contrast checker → · Palette generator →