#3133E8#3133E8
#3133E8 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 47.1% C 0.258 H 270.4°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).
Color values
| HEX | #3133E8 |
|---|---|
| RGB | rgb(49, 51, 232) |
| HSL | hsl(239, 80%, 55%) |
| HSV | hsv(239, 79%, 91%) |
| CMYK | cmyk(78.9%, 78%, 0%, 9%) |
| CIE-LAB | lab(35.68, 59.00, -89.18) |
| CIE-LCH | lch(35.68, 106.93, 303.49°) |
| OKLab | oklab(47.1% 0.0016 -0.2582) |
| OKLCH | oklch(47.1% 0.258 270.4) |
| XYZ | xyz(17.0110, 8.8449, 77.1390) |
| Luminance | 0.0885 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Vivid Blue
#152EFF
ΔE00 2.37
Vibrant Blue
#0339F8
ΔE00 2.52
Light Royal Blue
#3A2EFE
ΔE00 2.82
Rich Blue
#021BF9
ΔE00 3.67
Blurple
#5539CC
ΔE00 4.32
Purpley Blue
#5F34E7
ΔE00 4.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3133E8 #E8E631
analogous
#318FE8 #3133E8 #8A31E8
triadic
#3133E8 #E83133 #33E831
tetradic
#3133E8 #E8318F #E8E631 #31E88A
square
#3133E8 #E8318F #E8E631 #31E88A
split-complementary
#3133E8 #E88A31 #8FE831
monochromatic
#10118F #1618C6 #3133E8 #686AEE #9FA0F4
Accessibility & contrast
On white
7.58
#3133E8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.77
#3133E8 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3133E8
7.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3133E8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3133E8 | 1.00 | 7.58 | 2.77 | 7.58 |
| #FFFFFF | 7.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.77 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005DED
Deuteranopia (green-blind)
#004AE5
Tritanopia (blue-blind)
#006B8D
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #3133e8; /* rgb */ color: rgb(49, 51, 232); /* oklch */ color: oklch(47.1% 0.258 270.4);
Tailwind
colors: {
custom: {
50: '#896ef1',
500: '#3133e8',
950: '#000000',
},
}SCSS
$custom: #3133e8; $custom-light: #896ef1; $custom-dark: #000000;
JSON
{
"hex": "#3133e8",
"rgb": {
"r": 49,
"g": 51,
"b": 232
},
"hsl": {
"h": 239.344,
"s": 79.913,
"l": 55.098
},
"oklch": {
"l": 0.47097,
"c": 0.25826,
"h": 270.4
},
"luminance": 0.08847
}Semantic roles & 50–950 ramp
primary
#3133E8
secondary
#E1E094
accent
#F431F6
background
#F9F6FF
surface
#F2ECFE
border
#CCC7D6
text
#0E0717
muted
#7E7A85