#31349C#31349C
#31349C is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.4% C 0.165 H 274.6°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #31349C |
|---|---|
| RGB | rgb(49, 52, 156) |
| HSL | hsl(238, 52%, 40%) |
| HSV | hsv(238, 69%, 61%) |
| CMYK | cmyk(68.6%, 66.7%, 0%, 38.8%) |
| CIE-LAB | lab(28.14, 33.29, -56.96) |
| CIE-LCH | lch(28.14, 65.98, 300.31°) |
| OKLab | oklab(39.42% 0.0131 -0.1644) |
| OKLCH | oklch(39.42% 0.165 274.6) |
| XYZ | xyz(8.4934, 5.5085, 32.0617) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.83
Blueberry
#464196
ΔE00 4.72
Darkslateblue
#483D8B
ΔE00 5.44
Ocean Blue
#4F42B5
ΔE00 6.28
Blue Blue
#2242C7
ΔE00 6.95
Indigo Blue
#3A18B1
ΔE00 7.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#31349C #9C9931
analogous
#31699C #31349C #64319C
triadic
#31349C #9C3134 #349C31
tetradic
#31349C #9C3169 #9C9931 #319C64
square
#31349C #9C3169 #9C9931 #319C64
split-complementary
#31349C #9C6431 #699C31
monochromatic
#14153F #22246D #31349C #4549C5 #7477D3
Accessibility & contrast
On white
9.99
#31349C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#31349C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #31349C
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##31349C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##31349C | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00479F
Deuteranopia (green-blind)
#003E9A
Tritanopia (blue-blind)
#004F63
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #31349c; /* rgb */ color: rgb(49, 52, 156); /* oklch */ color: oklch(39.4% 0.165 274.6);
Tailwind
colors: {
custom: {
50: '#786cba',
500: '#31349c',
950: '#000000',
},
}SCSS
$custom: #31349c; $custom-light: #786cba; $custom-dark: #000000;
JSON
{
"hex": "#31349c",
"rgb": {
"r": 49,
"g": 52,
"b": 156
},
"hsl": {
"h": 238.318,
"s": 52.195,
"l": 40.196
},
"oklch": {
"l": 0.39417,
"c": 0.16494,
"h": 274.6
},
"luminance": 0.05509
}Semantic roles & 50–950 ramp
primary
#31349C
secondary
#BBB96D
accent
#D84CDC
background
#F7F6FB
surface
#EEEBF6
border
#C9C6D0
text
#0A0712
muted
#7C7A81