#3F38CA#3F38CA
#3F38CA is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.4% C 0.215 H 275.6°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3F38CA |
|---|---|
| RGB | rgb(63, 56, 202) |
| HSL | hsl(243, 58%, 51%) |
| HSV | hsv(243, 72%, 79%) |
| CMYK | cmyk(68.8%, 72.3%, 0%, 20.8%) |
| CIE-LAB | lab(34.29, 48.05, -74.19) |
| CIE-LCH | lch(34.29, 88.40, 302.93°) |
| OKLab | oklab(45.41% 0.0212 -0.2144) |
| OKLCH | oklch(45.41% 0.215 275.6) |
| XYZ | xyz(14.1212, 8.1481, 56.6942) |
| Luminance | 0.0815 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue With A Hint Of Purple
#533CC6
ΔE00 2.57
Blurple
#5539CC
ΔE00 2.76
Ocean Blue
#4F42B5
ΔE00 4.03
Blue Blue
#2242C7
ΔE00 4.16
Blue (survey)
#0343DF
ΔE00 4.93
Bluey Purple
#6241C7
ΔE00 5.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F38CA #C3CA38
analogous
#387ACA #3F38CA #8838CA
triadic
#3F38CA #CA3F38 #38CA3F
tetradic
#3F38CA #CA387A #C3CA38 #38CA88
square
#3F38CA #CA387A #C3CA38 #38CA88
split-complementary
#3F38CA #CA8838 #7ACA38
monochromatic
#201D6B #2F299B #3F38CA #6E68D7 #9C99E4
Accessibility & contrast
On white
7.99
#3F38CA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#3F38CA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F38CA
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F38CA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F38CA | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057CE
Deuteranopia (green-blind)
#004AC7
Tritanopia (blue-blind)
#00617E
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3f38ca; /* rgb */ color: rgb(63, 56, 202); /* oklch */ color: oklch(45.4% 0.215 275.6);
Tailwind
colors: {
custom: {
50: '#8770db',
500: '#3f38ca',
950: '#000000',
},
}SCSS
$custom: #3f38ca; $custom-light: #8770db; $custom-dark: #000000;
JSON
{
"hex": "#3f38ca",
"rgb": {
"r": 63,
"g": 56,
"b": 202
},
"hsl": {
"h": 242.877,
"s": 57.937,
"l": 50.588
},
"oklch": {
"l": 0.45406,
"c": 0.21548,
"h": 275.6
},
"luminance": 0.08149
}Semantic roles & 50–950 ramp
primary
#3F38CA
secondary
#CCCF8E
accent
#E147DA
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0815
muted
#7E7B83