#4040C1#4040C1

#4040C1 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.8% C 0.195 H 275.5°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#4040C1
RGB	rgb(64, 64, 193)
HSL	hsl(240, 51%, 50%)
HSV	hsv(240, 67%, 76%)
CMYK	cmyk(66.8%, 66.8%, 0%, 24.3%)
CIE-LAB	lab(35.21, 40.58, -67.41)
CIE-LCH	lch(35.21, 78.69, 301.04°)
OKLab	oklab(45.83% 0.0186 -0.1946)
OKLCH	oklch(45.83% 0.195 275.5)
XYZ	xyz(13.5702, 8.6058, 51.3877)
Luminance	0.0861 (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

#4040C1 #C1C140

analogous

#4080C1 #4040C1 #8040C1

triadic

#4040C1 #C14040 #40C140

tetradic

#4040C1 #C14080 #C1C140 #40C180

square

#4040C1 #C14080 #C1C140 #40C180

split-complementary

#4040C1 #C18040 #80C140

monochromatic

#212166 #303094 #4040C1 #6E6ED0 #9C9CDF

Accessibility & contrast

On white

7.72

#4040C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4040C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4040C1

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4040C1	#FFFFFF	#000000	##FFFFFF
##4040C1	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)

#0059C5

Deuteranopia (green-blind)

#004DBF

Tritanopia (blue-blind)

#00627B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4040c1;
/* rgb */ color: rgb(64, 64, 193);
/* oklch */ color: oklch(45.8% 0.195 275.5);

Tailwind

colors: {
  custom: {
    50: '#8575d5',
    500: '#4040c1',
    950: '#000000',
  },
}

SCSS

$custom: #4040c1;
$custom-light: #8575d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4040c1",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 193
  },
  "hsl": {
    "h": 240,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45834,
    "c": 0.19549,
    "h": 275.5
  },
  "luminance": 0.08607
}

Semantic roles & 50–950 ramp

primary

#4040C1

secondary

#CBCB92

accent

#DA4DDA

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #4040C1

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

Preview Lab → · Contrast checker → · Palette generator →