#4040D4#4040D4

#4040D4 is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.6% C 0.219 H 274.2°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#4040D4
RGB	rgb(64, 64, 212)
HSL	hsl(240, 63%, 54%)
HSV	hsv(240, 70%, 83%)
CMYK	cmyk(69.8%, 69.8%, 0%, 16.9%)
CIE-LAB	lab(36.95, 46.87, -75.61)
CIE-LCH	lch(36.95, 88.96, 301.79°)
OKLab	oklab(47.61% 0.0162 -0.2186)
OKLCH	oklch(47.61% 0.219 274.2)
XYZ	xyz(15.8275, 9.5087, 63.2758)
Luminance	0.0951 (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

#4040D4 #D4D440

analogous

#408AD4 #4040D4 #8A40D4

triadic

#4040D4 #D44040 #40D440

tetradic

#4040D4 #D4408A #D4D440 #40D48A

square

#4040D4 #D4408A #D4D440 #40D48A

split-complementary

#4040D4 #D48A40 #8AD440

monochromatic

#1C1C7D #2727AF #4040D4 #7272DF #A4A4EA

Accessibility & contrast

On white

7.24

#4040D4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#4040D4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4040D4

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4040D4	#FFFFFF	#000000	##FFFFFF
##4040D4	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED8

Deuteranopia (green-blind)

#0050D1

Tritanopia (blue-blind)

#006985

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4040d4;
/* rgb */ color: rgb(64, 64, 212);
/* oklch */ color: oklch(47.6% 0.219 274.2);

Tailwind

colors: {
  custom: {
    50: '#8976e2',
    500: '#4040d4',
    950: '#000000',
  },
}

SCSS

$custom: #4040d4;
$custom-light: #8976e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4040d4",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 212
  },
  "hsl": {
    "h": 240,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.47611,
    "c": 0.21919,
    "h": 274.2
  },
  "luminance": 0.0951
}

Semantic roles & 50–950 ramp

primary

#4040D4

secondary

#D7D798

accent

#E642E6

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #4040D4

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

Preview Lab → · Contrast checker → · Palette generator →