#3F36AD#3F36AD
#3F36AD is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.3% C 0.182 H 278.6°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).
Color values
| HEX | #3F36AD |
|---|---|
| RGB | rgb(63, 54, 173) |
| HSL | hsl(245, 52%, 45%) |
| HSV | hsv(245, 69%, 68%) |
| CMYK | cmyk(63.6%, 68.8%, 0%, 32.2%) |
| CIE-LAB | lab(31.14, 39.80, -62.26) |
| CIE-LCH | lch(31.14, 73.89, 302.59°) |
| OKLab | oklab(42.32% 0.0273 -0.1795) |
| OKLCH | oklch(42.32% 0.182 278.6) |
| XYZ | xyz(10.9095, 6.7114, 40.2476) |
| Luminance | 0.0671 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.61
Ocean Blue
#4F42B5
ΔE00 3.83
Blue With A Hint Of Purple
#533CC6
ΔE00 4.71
Blueberry
#464196
ΔE00 5.12
Blurple
#5539CC
ΔE00 5.37
Blue Blue
#2242C7
ΔE00 5.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F36AD #A4AD36
analogous
#3669AD #3F36AD #7B36AD
triadic
#3F36AD #AD3F36 #36AD3F
tetradic
#3F36AD #AD3669 #A4AD36 #36AD7B
square
#3F36AD #AD3669 #A4AD36 #36AD7B
split-complementary
#3F36AD #AD7B36 #69AD36
monochromatic
#1D1950 #2E277E #3F36AD #5F56CA #8B85D9
Accessibility & contrast
On white
8.97
#3F36AD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#3F36AD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F36AD
8.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F36AD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F36AD | 1.00 | 8.97 | 2.34 | 8.97 |
| #FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EB1
Deuteranopia (green-blind)
#0044AB
Tritanopia (blue-blind)
#00566D
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #3f36ad; /* rgb */ color: rgb(63, 54, 173); /* oklch */ color: oklch(42.3% 0.182 278.6);
Tailwind
colors: {
custom: {
50: '#816ec6',
500: '#3f36ad',
950: '#000000',
},
}SCSS
$custom: #3f36ad; $custom-light: #816ec6; $custom-dark: #000000;
JSON
{
"hex": "#3f36ad",
"rgb": {
"r": 63,
"g": 54,
"b": 173
},
"hsl": {
"h": 244.538,
"s": 52.423,
"l": 44.51
},
"oklch": {
"l": 0.42324,
"c": 0.18161,
"h": 278.6
},
"luminance": 0.06712
}Semantic roles & 50–950 ramp
primary
#3F36AD
secondary
#BDC27C
accent
#DC4CD1
background
#F8F6FC
surface
#F0ECF8
border
#CBC7D1
text
#0C0713
muted
#7D7A82