#4040CF#4040CF
#4040CF is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.1% C 0.213 H 274.5°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).
Color values
| HEX | #4040CF |
|---|---|
| RGB | rgb(64, 64, 207) |
| HSL | hsl(240, 60%, 53%) |
| HSV | hsv(240, 69%, 81%) |
| CMYK | cmyk(69.1%, 69.1%, 0%, 18.8%) |
| CIE-LAB | lab(36.48, 45.23, -73.49) |
| CIE-LCH | lch(36.48, 86.29, 301.61°) |
| OKLab | oklab(47.14% 0.0168 -0.2124) |
| OKLCH | oklch(47.14% 0.213 274.5) |
| XYZ | xyz(15.2065, 9.2603, 60.0054) |
| Luminance | 0.0926 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue With A Hint Of Purple
#533CC6
ΔE00 2.86
Blurple
#5539CC
ΔE00 3.24
Blue Blue
#2242C7
ΔE00 3.33
Blue (survey)
#0343DF
ΔE00 3.60
Ocean Blue
#4F42B5
ΔE00 3.86
Bluey Purple
#6241C7
ΔE00 4.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4040CF #CFCF40
analogous
#4087CF #4040CF #8740CF
triadic
#4040CF #CF4040 #40CF40
tetradic
#4040CF #CF4087 #CFCF40 #40CF87
square
#4040CF #CF4087 #CFCF40 #40CF87
split-complementary
#4040CF #CF8740 #87CF40
monochromatic
#1E1E77 #2A2AA8 #4040CF #7171DB #A2A2E8
Accessibility & contrast
On white
7.36
#4040CF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.85
#4040CF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4040CF
7.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4040CF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4040CF | 1.00 | 7.36 | 2.85 | 7.36 |
| #FFFFFF | 7.36 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.85 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.36 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CD3
Deuteranopia (green-blind)
#004FCC
Tritanopia (blue-blind)
#006783
Achromatopsia (no color)
#565656
Design tokens & code
CSS
--color: #4040cf; /* rgb */ color: rgb(64, 64, 207); /* oklch */ color: oklch(47.1% 0.213 274.5);
Tailwind
colors: {
custom: {
50: '#8876df',
500: '#4040cf',
950: '#000000',
},
}SCSS
$custom: #4040cf; $custom-light: #8876df; $custom-dark: #000000;
JSON
{
"hex": "#4040cf",
"rgb": {
"r": 64,
"g": 64,
"b": 207
},
"hsl": {
"h": 240,
"s": 59.833,
"l": 53.137
},
"oklch": {
"l": 0.47135,
"c": 0.21305,
"h": 274.5
},
"luminance": 0.09262
}Semantic roles & 50–950 ramp
primary
#4040CF
secondary
#D4D497
accent
#E345E3
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0815
muted
#7E7B83