#3F36AC#3F36AC
#3F36AC is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.2% C 0.180 H 278.7°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3F36AC |
|---|---|
| RGB | rgb(63, 54, 172) |
| HSL | hsl(245, 52%, 44%) |
| HSV | hsv(245, 69%, 67%) |
| CMYK | cmyk(63.4%, 68.6%, 0%, 32.5%) |
| CIE-LAB | lab(31.05, 39.47, -61.81) |
| CIE-LCH | lch(31.05, 73.34, 302.56°) |
| OKLab | oklab(42.23% 0.0274 -0.1782) |
| OKLCH | oklch(42.23% 0.18 278.7) |
| XYZ | xyz(10.8131, 6.6728, 39.7399) |
| Luminance | 0.0667 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.59
Ocean Blue
#4F42B5
ΔE00 3.87
Blue With A Hint Of Purple
#533CC6
ΔE00 4.82
Blueberry
#464196
ΔE00 5.01
Blurple
#5539CC
ΔE00 5.49
Blue Blue
#2242C7
ΔE00 5.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F36AC #A3AC36
analogous
#3668AC #3F36AC #7A36AC
triadic
#3F36AC #AC3F36 #36AC3F
tetradic
#3F36AC #AC3668 #A3AC36 #36AC7A
square
#3F36AC #AC3668 #A3AC36 #36AC7A
split-complementary
#3F36AC #AC7A36 #68AC36
monochromatic
#1D194F #2E277D #3F36AC #5E55CA #8A84D8
Accessibility & contrast
On white
8.99
#3F36AC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#3F36AC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F36AC
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F36AC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F36AC | 1.00 | 8.99 | 2.33 | 8.99 |
| #FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EB0
Deuteranopia (green-blind)
#0044AA
Tritanopia (blue-blind)
#00556C
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #3f36ac; /* rgb */ color: rgb(63, 54, 172); /* oklch */ color: oklch(42.2% 0.180 278.7);
Tailwind
colors: {
custom: {
50: '#816ec6',
500: '#3f36ac',
950: '#000000',
},
}SCSS
$custom: #3f36ac; $custom-light: #816ec6; $custom-dark: #000000;
JSON
{
"hex": "#3f36ac",
"rgb": {
"r": 63,
"g": 54,
"b": 172
},
"hsl": {
"h": 244.576,
"s": 52.212,
"l": 44.314
},
"oklch": {
"l": 0.42231,
"c": 0.18033,
"h": 278.7
},
"luminance": 0.06674
}Semantic roles & 50–950 ramp
primary
#3F36AC
secondary
#BDC27C
accent
#DC4CD1
background
#F8F6FC
surface
#F0ECF8
border
#CBC7D1
text
#0C0713
muted
#7D7A82