#4037AE#4037AE
#4037AE is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.6% C 0.182 H 278.8°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).
Color values
| HEX | #4037AE |
|---|---|
| RGB | rgb(64, 55, 174) |
| HSL | hsl(245, 52%, 45%) |
| HSV | hsv(245, 68%, 68%) |
| CMYK | cmyk(63.2%, 68.4%, 0%, 31.8%) |
| CIE-LAB | lab(31.53, 39.68, -62.22) |
| CIE-LCH | lch(31.53, 73.79, 302.52°) |
| OKLab | oklab(42.65% 0.0277 -0.1794) |
| OKLCH | oklch(42.65% 0.182 278.8) |
| XYZ | xyz(11.1181, 6.8775, 40.7778) |
| Luminance | 0.0688 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 3.53
Sapphire (survey)
#2138AB
ΔE00 3.67
Blue With A Hint Of Purple
#533CC6
ΔE00 4.47
Blueberry
#464196
ΔE00 5.04
Blurple
#5539CC
ΔE00 5.16
Blue Blue
#2242C7
ΔE00 5.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4037AE #A5AE37
analogous
#3769AE #4037AE #7C37AE
triadic
#4037AE #AE4037 #37AE40
tetradic
#4037AE #AE3769 #A5AE37 #37AE7C
square
#4037AE #AE3769 #A5AE37 #37AE7C
split-complementary
#4037AE #AE7C37 #69AE37
monochromatic
#1E1A51 #2F287F #4037AE #6158CA #8D86D9
Accessibility & contrast
On white
8.84
#4037AE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.38
#4037AE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4037AE
8.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4037AE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4037AE | 1.00 | 8.84 | 2.38 | 8.84 |
| #FFFFFF | 8.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FB2
Deuteranopia (green-blind)
#0045AC
Tritanopia (blue-blind)
#00566E
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #4037ae; /* rgb */ color: rgb(64, 55, 174); /* oklch */ color: oklch(42.6% 0.182 278.8);
Tailwind
colors: {
custom: {
50: '#826fc7',
500: '#4037ae',
950: '#000000',
},
}SCSS
$custom: #4037ae; $custom-light: #826fc7; $custom-dark: #000000;
JSON
{
"hex": "#4037ae",
"rgb": {
"r": 64,
"g": 55,
"b": 174
},
"hsl": {
"h": 244.538,
"s": 51.965,
"l": 44.902
},
"oklch": {
"l": 0.42649,
"c": 0.18153,
"h": 278.8
},
"luminance": 0.06878
}Semantic roles & 50–950 ramp
primary
#4037AE
secondary
#BEC37E
accent
#DB4CD1
background
#F8F6FC
surface
#F0ECF8
border
#CBC7D1
text
#0C0713
muted
#7D7A82