#3F38BD#3F38BD
#3F38BD is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.1% C 0.200 H 276.7°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).
Color values
| HEX | #3F38BD |
|---|---|
| RGB | rgb(63, 56, 189) |
| HSL | hsl(243, 54%, 48%) |
| HSV | hsv(243, 70%, 74%) |
| CMYK | cmyk(66.7%, 70.4%, 0%, 25.9%) |
| CIE-LAB | lab(33.05, 43.86, -68.63) |
| CIE-LCH | lch(33.05, 81.44, 302.58°) |
| OKLab | oklab(44.14% 0.0234 -0.1982) |
| OKLCH | oklch(44.14% 0.2 276.7) |
| XYZ | xyz(12.6464, 7.5581, 48.9267) |
| Luminance | 0.0756 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue With A Hint Of Purple
#533CC6
ΔE00 3.09
Ocean Blue
#4F42B5
ΔE00 3.33
Blurple
#5539CC
ΔE00 3.65
Blue Blue
#2242C7
ΔE00 4.25
Sapphire (survey)
#2138AB
ΔE00 4.38
Bluey Purple
#6241C7
ΔE00 5.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F38BD #B6BD38
analogous
#3873BD #3F38BD #8138BD
triadic
#3F38BD #BD3F38 #38BD3F
tetradic
#3F38BD #BD3873 #B6BD38 #38BD81
square
#3F38BD #BD3873 #B6BD38 #38BD81
split-complementary
#3F38BD #BD8138 #73BD38
monochromatic
#201C5F #2F2A8E #3F38BD #6862D0 #9591DE
Accessibility & contrast
On white
8.36
#3F38BD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.51
#3F38BD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F38BD
8.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F38BD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F38BD | 1.00 | 8.36 | 2.51 | 8.36 |
| #FFFFFF | 8.36 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.36 | 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: #3f38bd; /* rgb */ color: rgb(63, 56, 189); /* oklch */ color: oklch(44.1% 0.200 276.7);
Tailwind
colors: {
custom: {
50: '#8470d2',
500: '#3f38bd',
950: '#000000',
},
}SCSS
$custom: #3f38bd; $custom-light: #8470d2; $custom-dark: #000000;
JSON
{
"hex": "#3f38bd",
"rgb": {
"r": 63,
"g": 56,
"b": 189
},
"hsl": {
"h": 243.158,
"s": 54.286,
"l": 48.039
},
"oklch": {
"l": 0.44142,
"c": 0.19957,
"h": 276.7
},
"luminance": 0.07559
}Semantic roles & 50–950 ramp
primary
#3F38BD
secondary
#C6C987
accent
#DE4AD6
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83