#4038BD#4038BD
#4038BD is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.2% C 0.199 H 277.1°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).
Color values
| HEX | #4038BD |
|---|---|
| RGB | rgb(64, 56, 189) |
| HSL | hsl(244, 54%, 48%) |
| HSV | hsv(244, 70%, 74%) |
| CMYK | cmyk(66.1%, 70.4%, 0%, 25.9%) |
| CIE-LAB | lab(33.12, 43.98, -68.51) |
| CIE-LCH | lch(33.12, 81.41, 302.70°) |
| OKLab | oklab(44.21% 0.0247 -0.1978) |
| OKLCH | oklch(44.21% 0.199 277.1) |
| XYZ | xyz(12.7108, 7.5914, 48.9297) |
| Luminance | 0.0759 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue With A Hint Of Purple
#533CC6
ΔE00 2.99
Ocean Blue
#4F42B5
ΔE00 3.27
Blurple
#5539CC
ΔE00 3.55
Blue Blue
#2242C7
ΔE00 4.33
Sapphire (survey)
#2138AB
ΔE00 4.48
Bluey Purple
#6241C7
ΔE00 5.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4038BD #B5BD38
analogous
#3872BD #4038BD #8238BD
triadic
#4038BD #BD4038 #38BD40
tetradic
#4038BD #BD3872 #B5BD38 #38BD82
square
#4038BD #BD3872 #B5BD38 #38BD82
split-complementary
#4038BD #BD8238 #72BD38
monochromatic
#201C5F #302A8E #4038BD #6862D0 #9691DE
Accessibility & contrast
On white
8.34
#4038BD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.52
#4038BD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4038BD
8.34:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4038BD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4038BD | 1.00 | 8.34 | 2.52 | 8.34 |
| #FFFFFF | 8.34 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.34 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0053C1
Deuteranopia (green-blind)
#0048BB
Tritanopia (blue-blind)
#005C76
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #4038bd; /* rgb */ color: rgb(64, 56, 189); /* oklch */ color: oklch(44.2% 0.199 277.1);
Tailwind
colors: {
custom: {
50: '#8570d2',
500: '#4038bd',
950: '#000000',
},
}SCSS
$custom: #4038bd; $custom-light: #8570d2; $custom-dark: #000000;
JSON
{
"hex": "#4038bd",
"rgb": {
"r": 64,
"g": 56,
"b": 189
},
"hsl": {
"h": 243.609,
"s": 54.286,
"l": 48.039
},
"oklch": {
"l": 0.44212,
"c": 0.19934,
"h": 277.1
},
"luminance": 0.07592
}Semantic roles & 50–950 ramp
primary
#4038BD
secondary
#C5C987
accent
#DE4AD5
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83