#383FB0#383FB0
#383FB0 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.177 H 273.7°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).
Color values
| HEX | #383FB0 |
|---|---|
| RGB | rgb(56, 63, 176) |
| HSL | hsl(237, 52%, 45%) |
| HSV | hsv(237, 68%, 69%) |
| CMYK | cmyk(68.2%, 64.2%, 0%, 31%) |
| CIE-LAB | lab(32.98, 34.31, -61.05) |
| CIE-LCH | lch(32.98, 70.03, 299.33°) |
| OKLab | oklab(43.62% 0.0114 -0.1762) |
| OKLCH | oklch(43.62% 0.177 273.7) |
| XYZ | xyz(11.2423, 7.5293, 41.9267) |
| Luminance | 0.0753 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.85
Ocean Blue
#4F42B5
ΔE00 3.41
Blue Blue
#2242C7
ΔE00 3.46
Blueberry
#464196
ΔE00 4.63
Blue With A Hint Of Purple
#533CC6
ΔE00 5.20
Blurple
#5539CC
ΔE00 6.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#383FB0 #B0A938
analogous
#387BB0 #383FB0 #6D38B0
triadic
#383FB0 #B0383F #3FB038
tetradic
#383FB0 #B0387B #B0A938 #38B06D
square
#383FB0 #B0387B #B0A938 #38B06D
split-complementary
#383FB0 #B06D38 #7BB038
monochromatic
#1A1E53 #292E82 #383FB0 #5B61CB #898ED9
Accessibility & contrast
On white
8.38
#383FB0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.51
#383FB0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #383FB0
8.38:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##383FB0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##383FB0 | 1.00 | 8.38 | 2.51 | 8.38 |
| #FFFFFF | 8.38 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.38 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0053B4
Deuteranopia (green-blind)
#0048AE
Tritanopia (blue-blind)
#005C71
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #383fb0; /* rgb */ color: rgb(56, 63, 176); /* oklch */ color: oklch(43.6% 0.177 273.7);
Tailwind
colors: {
custom: {
50: '#7e74c9',
500: '#383fb0',
950: '#000000',
},
}SCSS
$custom: #383fb0; $custom-light: #7e74c9; $custom-dark: #000000;
JSON
{
"hex": "#383fb0",
"rgb": {
"r": 56,
"g": 63,
"b": 176
},
"hsl": {
"h": 236.5,
"s": 51.724,
"l": 45.49
},
"oklch": {
"l": 0.43617,
"c": 0.17655,
"h": 273.7
},
"luminance": 0.0753
}Semantic roles & 50–950 ramp
primary
#383FB0
secondary
#C4C080
accent
#D34DDB
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0813
muted
#7C7B82