#4040D6#4040D6

#4040D6 is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 47.8% C 0.222 H 274.1°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#4040D6
RGB	rgb(64, 64, 214)
HSL	hsl(240, 65%, 55%)
HSV	hsv(240, 70%, 84%)
CMYK	cmyk(70.1%, 70.1%, 0%, 16.1%)
CIE-LAB	lab(37.13, 47.52, -76.46)
CIE-LCH	lch(37.13, 90.02, 301.86°)
OKLab	oklab(47.8% 0.0159 -0.221)
OKLCH	oklch(47.8% 0.222 274.1)
XYZ	xyz(16.0813, 9.6103, 64.6128)
Luminance	0.0961 (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

#4040D6 #D6D640

analogous

#408BD6 #4040D6 #8B40D6

triadic

#4040D6 #D64040 #40D640

tetradic

#4040D6 #D6408B #D6D640 #40D68B

square

#4040D6 #D6408B #D6D640 #40D68B

split-complementary

#4040D6 #D68B40 #8BD640

monochromatic

#1B1B80 #2626B2 #4040D6 #7272E1 #A5A5EC

Accessibility & contrast

On white

7.19

#4040D6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#4040D6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4040D6

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4040D6	#FFFFFF	#000000	##FFFFFF
##4040D6	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EDB

Deuteranopia (green-blind)

#0050D3

Tritanopia (blue-blind)

#006A86

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4040d6;
/* rgb */ color: rgb(64, 64, 214);
/* oklch */ color: oklch(47.8% 0.222 274.1);

Tailwind

colors: {
  custom: {
    50: '#8976e4',
    500: '#4040d6',
    950: '#000000',
  },
}

SCSS

$custom: #4040d6;
$custom-light: #8976e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4040d6",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 214
  },
  "hsl": {
    "h": 240,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.47802,
    "c": 0.22162,
    "h": 274.1
  },
  "luminance": 0.09612
}

Semantic roles & 50–950 ramp

primary

#4040D6

secondary

#D9D999

accent

#E840E8

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #4040D6

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

Preview Lab → · Contrast checker → · Palette generator →