#4037A2#4037A2
#4037A2 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.6% C 0.166 H 280.1°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).
Color values
| HEX | #4037A2 |
|---|---|
| RGB | rgb(64, 55, 162) |
| HSL | hsl(245, 49%, 43%) |
| HSV | hsv(245, 66%, 64%) |
| CMYK | cmyk(60.5%, 66%, 0%, 36.5%) |
| CIE-LAB | lab(30.47, 35.73, -56.73) |
| CIE-LCH | lch(30.47, 67.05, 302.20°) |
| OKLab | oklab(41.56% 0.0292 -0.1633) |
| OKLCH | oklch(41.56% 0.166 280.1) |
| XYZ | xyz(10.0001, 6.4303, 34.8896) |
| Luminance | 0.0643 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.82
Blueberry
#464196
ΔE00 3.82
Ocean Blue
#4F42B5
ΔE00 4.33
Darkslateblue
#483D8B
ΔE00 4.76
Blue With A Hint Of Purple
#533CC6
ΔE00 5.92
Blue Blue
#2242C7
ΔE00 6.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4037A2 #99A237
analogous
#3763A2 #4037A2 #7637A2
triadic
#4037A2 #A24037 #37A240
tetradic
#4037A2 #A23763 #99A237 #37A276
square
#4037A2 #A23763 #99A237 #37A276
split-complementary
#4037A2 #A27637 #63A237
monochromatic
#1C1847 #2E2774 #4037A2 #5C52C4 #8780D4
Accessibility & contrast
On white
9.19
#4037A2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.29
#4037A2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4037A2
9.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4037A2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4037A2 | 1.00 | 9.19 | 2.29 | 9.19 |
| #FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004CA5
Deuteranopia (green-blind)
#0044A0
Tritanopia (blue-blind)
#005267
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #4037a2; /* rgb */ color: rgb(64, 55, 162); /* oklch */ color: oklch(41.6% 0.166 280.1);
Tailwind
colors: {
custom: {
50: '#806ebe',
500: '#4037a2',
950: '#000000',
},
}SCSS
$custom: #4037a2; $custom-light: #806ebe; $custom-dark: #000000;
JSON
{
"hex": "#4037a2",
"rgb": {
"r": 64,
"g": 55,
"b": 162
},
"hsl": {
"h": 245.047,
"s": 49.309,
"l": 42.549
},
"oklch": {
"l": 0.41563,
"c": 0.16591,
"h": 280.1
},
"luminance": 0.06431
}Semantic roles & 50–950 ramp
primary
#4037A2
secondary
#B7BD78
accent
#D94FCD
background
#F8F6FB
surface
#EFECF7
border
#CAC7D0
text
#0B0712
muted
#7C7A81