#3F337C#3F337C
#3F337C is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.6% C 0.119 H 286.7°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).
Color values
| HEX | #3F337C |
|---|---|
| RGB | rgb(63, 51, 124) |
| HSL | hsl(250, 42%, 34%) |
| HSV | hsv(250, 59%, 49%) |
| CMYK | cmyk(49.2%, 58.9%, 0%, 51.4%) |
| CIE-LAB | lab(26.39, 25.58, -39.93) |
| CIE-LCH | lch(26.39, 47.42, 302.64°) |
| OKLab | oklab(37.6% 0.0343 -0.114) |
| OKLCH | oklch(37.6% 0.119 286.7) |
| XYZ | xyz(6.8708, 4.8794, 19.6447) |
| Luminance | 0.0488 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkslateblue
#483D8B
ΔE00 3.52
Blueberry
#464196
ΔE00 5.49
Midnight Blue
#191970
ΔE00 8.11
Rebeccapurple
#663399
ΔE00 8.55
Sapphire (survey)
#2138AB
ΔE00 8.69
Twilight
#4E518B
ΔE00 9.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F337C #707C33
analogous
#334C7C #3F337C #64337C
triadic
#3F337C #7C3F33 #337C3F
tetradic
#3F337C #7C334C #707C33 #337C64
square
#3F337C #7C334C #707C33 #337C64
split-complementary
#3F337C #7C6433 #4C7C33
monochromatic
#130F25 #292151 #3F337C #5545A7 #7768C1
Accessibility & contrast
On white
10.63
#3F337C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.98
#3F337C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F337C
10.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F337C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F337C | 1.00 | 10.63 | 1.98 | 10.63 |
| #FFFFFF | 10.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.98 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#04407E
Deuteranopia (green-blind)
#033C7A
Tritanopia (blue-blind)
#2B4352
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #3f337c; /* rgb */ color: rgb(63, 51, 124); /* oklch */ color: oklch(37.6% 0.119 286.7);
Tailwind
colors: {
custom: {
50: '#796ba2',
500: '#3f337c',
950: '#000000',
},
}SCSS
$custom: #3f337c; $custom-light: #796ba2; $custom-dark: #000000;
JSON
{
"hex": "#3f337c",
"rgb": {
"r": 63,
"g": 51,
"b": 124
},
"hsl": {
"h": 249.863,
"s": 41.714,
"l": 34.314
},
"oklch": {
"l": 0.37598,
"c": 0.11901,
"h": 286.7
},
"luminance": 0.0488
}Semantic roles & 50–950 ramp
primary
#3F337C
secondary
#9DA962
accent
#D256BD
background
#F7F6FA
surface
#EEEBF4
border
#C9C6CE
text
#09060F
muted
#7B7A7F