#3133BD#3133BD
#3133BD is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.5% C 0.208 H 272.6°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).
Color values
| HEX | #3133BD |
|---|---|
| RGB | rgb(49, 51, 189) |
| HSL | hsl(239, 59%, 47%) |
| HSV | hsv(239, 74%, 74%) |
| CMYK | cmyk(74.1%, 73%, 0%, 25.9%) |
| CIE-LAB | lab(31.10, 45.24, -71.86) |
| CIE-LCH | lch(31.10, 84.92, 302.19°) |
| OKLab | oklab(42.51% 0.0093 -0.208) |
| OKLCH | oklch(42.51% 0.208 272.6) |
| XYZ | xyz(11.6327, 6.6935, 48.8132) |
| Luminance | 0.0669 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.66
Blue Blue
#2242C7
ΔE00 4.56
Blue With A Hint Of Purple
#533CC6
ΔE00 4.72
Ocean Blue
#4F42B5
ΔE00 5.02
Blurple
#5539CC
ΔE00 5.05
Indigo Blue
#3A18B1
ΔE00 5.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3133BD #BDBB31
analogous
#3179BD #3133BD #7531BD
triadic
#3133BD #BD3133 #33BD31
tetradic
#3133BD #BD3179 #BDBB31 #31BD75
square
#3133BD #BD3179 #BDBB31 #31BD75
split-complementary
#3133BD #BD7531 #79BD31
monochromatic
#18195C #24268C #3133BD #5859D4 #8889E0
Accessibility & contrast
On white
8.98
#3133BD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#3133BD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3133BD
8.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3133BD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3133BD | 1.00 | 8.98 | 2.34 | 8.98 |
| #FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050C1
Deuteranopia (green-blind)
#0042BB
Tritanopia (blue-blind)
#005B75
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #3133bd; /* rgb */ color: rgb(49, 51, 189); /* oklch */ color: oklch(42.5% 0.208 272.6);
Tailwind
colors: {
custom: {
50: '#7f6cd2',
500: '#3133bd',
950: '#000000',
},
}SCSS
$custom: #3133bd; $custom-light: #7f6cd2; $custom-dark: #000000;
JSON
{
"hex": "#3133bd",
"rgb": {
"r": 49,
"g": 51,
"b": 189
},
"hsl": {
"h": 239.143,
"s": 58.824,
"l": 46.667
},
"oklch": {
"l": 0.42513,
"c": 0.20817,
"h": 272.6
},
"luminance": 0.06695
}Semantic roles & 50–950 ramp
primary
#3133BD
secondary
#CAC980
accent
#E046E2
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0714
muted
#7D7A83