#40528A#40528A
#40528A is a mid, moderate blue. Relative luminance 0.090; OKLCH L 45.1% C 0.095 H 268.9°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).
Color values
| HEX | #40528A |
|---|---|
| RGB | rgb(64, 82, 138) |
| HSL | hsl(225, 37%, 40%) |
| HSV | hsv(225, 54%, 54%) |
| CMYK | cmyk(53.6%, 40.6%, 0%, 45.9%) |
| CIE-LAB | lab(35.91, 10.07, -33.40) |
| CIE-LCH | lch(35.91, 34.88, 286.78°) |
| OKLab | oklab(45.1% -0.0017 -0.0945) |
| OKLCH | oklch(45.1% 0.095 268.9) |
| XYZ | xyz(9.7176, 8.9589, 25.2570) |
| Luminance | 0.0896 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Twilight
#4E518B
ΔE00 3.70
Denim Blue
#3B5B92
ΔE00 4.12
Dusk
#4E5481
ΔE00 4.31
Dusky Blue
#475F94
ΔE00 4.48
Dusk Blue
#26538D
ΔE00 5.17
Cobalt (survey)
#1E488F
ΔE00 5.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40528A #8A7840
analogous
#40778A #40528A #53408A
triadic
#40528A #8A4052 #528A40
tetradic
#40528A #8A4077 #8A7840 #408A53
square
#40528A #8A4077 #8A7840 #408A53
split-complementary
#40528A #8A5340 #778A40
monochromatic
#192036 #2D3960 #40528A #566CB1 #8091C4
Accessibility & contrast
On white
7.52
#40528A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.79
#40528A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #40528A
7.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40528A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##40528A | 1.00 | 7.52 | 2.79 | 7.52 |
| #FFFFFF | 7.52 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.79 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.52 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3C588C
Deuteranopia (green-blind)
#335189
Tritanopia (blue-blind)
#1D5E67
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #40528a; /* rgb */ color: rgb(64, 82, 138); /* oklch */ color: oklch(45.1% 0.095 268.9);
Tailwind
colors: {
custom: {
50: '#7a82ac',
500: '#40528a',
950: '#000000',
},
}SCSS
$custom: #40528a; $custom-light: #7a82ac; $custom-dark: #000000;
JSON
{
"hex": "#40528a",
"rgb": {
"r": 64,
"g": 82,
"b": 138
},
"hsl": {
"h": 225.405,
"s": 36.634,
"l": 39.608
},
"oklch": {
"l": 0.45102,
"c": 0.09457,
"h": 268.9
},
"luminance": 0.0896
}Semantic roles & 50–950 ramp
primary
#40528A
secondary
#AFA177
accent
#B15BCD
background
#F7F7FA
surface
#EEEEF4
border
#C9C9CE
text
#0A0A10
muted
#7C7C7F