#4040D2#4040D2

#4040D2 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.4% C 0.217 H 274.3°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#4040D2
RGB	rgb(64, 64, 210)
HSL	hsl(240, 62%, 54%)
HSV	hsv(240, 70%, 82%)
CMYK	cmyk(69.5%, 69.5%, 0%, 17.6%)
CIE-LAB	lab(36.76, 46.21, -74.77)
CIE-LCH	lch(36.76, 87.90, 301.72°)
OKLab	oklab(47.42% 0.0164 -0.2161)
OKLCH	oklch(47.42% 0.217 274.3)
XYZ	xyz(15.5767, 9.4084, 61.9554)
Luminance	0.0941 (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

#4040D2 #D2D240

analogous

#4089D2 #4040D2 #8940D2

triadic

#4040D2 #D24040 #40D240

tetradic

#4040D2 #D24089 #D2D240 #40D289

square

#4040D2 #D24089 #D2D240 #40D289

split-complementary

#4040D2 #D28940 #89D240

monochromatic

#1D1D7B #2929AC #4040D2 #7272DE #A3A3E9

Accessibility & contrast

On white

7.29

#4040D2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#4040D2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4040D2

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4040D2	#FFFFFF	#000000	##FFFFFF
##4040D2	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD6

Deuteranopia (green-blind)

#0050CF

Tritanopia (blue-blind)

#006884

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4040d2;
/* rgb */ color: rgb(64, 64, 210);
/* oklch */ color: oklch(47.4% 0.217 274.3);

Tailwind

colors: {
  custom: {
    50: '#8876e1',
    500: '#4040d2',
    950: '#000000',
  },
}

SCSS

$custom: #4040d2;
$custom-light: #8876e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4040d2",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 210
  },
  "hsl": {
    "h": 240,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.4742,
    "c": 0.21673,
    "h": 274.3
  },
  "luminance": 0.0941
}

Semantic roles & 50–950 ramp

primary

#4040D2

secondary

#D6D698

accent

#E543E5

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0815

muted

#7E7B84

Preview Lab

Preview with #4040D2

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

Preview Lab → · Contrast checker → · Palette generator →