#3133C4#3133C4
#3133C4 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.2% C 0.217 H 272.2°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).
Color values
| HEX | #3133C4 |
|---|---|
| RGB | rgb(49, 51, 196) |
| HSL | hsl(239, 60%, 48%) |
| HSV | hsv(239, 75%, 77%) |
| CMYK | cmyk(75%, 74%, 0%, 23.1%) |
| CIE-LAB | lab(31.82, 47.55, -74.79) |
| CIE-LCH | lch(31.82, 88.63, 302.45°) |
| OKLab | oklab(43.24% 0.0081 -0.2165) |
| OKLCH | oklch(43.24% 0.217 272.2) |
| XYZ | xyz(12.4109, 7.0048, 52.9118) |
| Luminance | 0.0701 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue With A Hint Of Purple
#533CC6
ΔE00 4.35
Sapphire (survey)
#2138AB
ΔE00 4.38
Blue Blue
#2242C7
ΔE00 4.40
Blurple
#5539CC
ΔE00 4.54
Ocean Blue
#4F42B5
ΔE00 5.12
Blue (survey)
#0343DF
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3133C4 #C4C231
analogous
#317CC4 #3133C4 #7931C4
triadic
#3133C4 #C43133 #33C431
tetradic
#3133C4 #C4317C #C4C231 #31C479
square
#3133C4 #C4317C #C4C231 #31C479
split-complementary
#3133C4 #C47931 #7CC431
monochromatic
#191A62 #252693 #3133C4 #5C5ED6 #8D8EE2
Accessibility & contrast
On white
8.75
#3133C4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.40
#3133C4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3133C4
8.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3133C4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3133C4 | 1.00 | 8.75 | 2.40 | 8.75 |
| #FFFFFF | 8.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052C8
Deuteranopia (green-blind)
#0044C1
Tritanopia (blue-blind)
#005D79
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #3133c4; /* rgb */ color: rgb(49, 51, 196); /* oklch */ color: oklch(43.2% 0.217 272.2);
Tailwind
colors: {
custom: {
50: '#816cd7',
500: '#3133c4',
950: '#000000',
},
}SCSS
$custom: #3133c4; $custom-light: #816cd7; $custom-dark: #000000;
JSON
{
"hex": "#3133c4",
"rgb": {
"r": 49,
"g": 51,
"b": 196
},
"hsl": {
"h": 239.184,
"s": 60,
"l": 48.039
},
"oklch": {
"l": 0.43238,
"c": 0.21664,
"h": 272.2
},
"luminance": 0.07006
}Semantic roles & 50–950 ramp
primary
#3133C4
secondary
#CDCC84
accent
#E145E3
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0715
muted
#7D7A83