#13317B#13317B
#13317B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.2% C 0.131 H 264.0°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).
Color values
| HEX | #13317B |
|---|---|
| RGB | rgb(19, 49, 123) |
| HSL | hsl(223, 73%, 28%) |
| HSV | hsv(223, 85%, 48%) |
| CMYK | cmyk(84.6%, 60.2%, 0%, 51.8%) |
| CIE-LAB | lab(22.88, 19.03, -45.13) |
| CIE-LCH | lch(22.88, 48.97, 292.87°) |
| OKLab | oklab(34.21% -0.0138 -0.1304) |
| OKLCH | oklch(34.21% 0.131 264) |
| XYZ | xyz(4.9407, 3.7645, 19.2013) |
| Luminance | 0.0377 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Marine
#042E60
ΔE00 4.77
Marine Blue
#01386A
ΔE00 5.52
Darkish Blue
#014182
ΔE00 6.33
Twilight Blue
#0A437A
ΔE00 7.28
Sapphire (survey)
#2138AB
ΔE00 7.45
Cobalt (survey)
#1E488F
ΔE00 7.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#13317B #7B5D13
analogous
#13657B #13317B #29137B
triadic
#13317B #7B1331 #317B13
tetradic
#13317B #7B1365 #7B5D13 #137B29
square
#13317B #7B1365 #7B5D13 #137B29
split-complementary
#13317B #7B2913 #657B13
monochromatic
#040B1B #0B1C46 #13317B #1B46B0 #2A5EDE
Accessibility & contrast
On white
11.98
#13317B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#13317B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #13317B
11.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##13317B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##13317B | 1.00 | 11.98 | 1.75 | 11.98 |
| #FFFFFF | 11.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003C7E
Deuteranopia (green-blind)
#00327A
Tritanopia (blue-blind)
#004451
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #13317b; /* rgb */ color: rgb(19, 49, 123); /* oklch */ color: oklch(34.2% 0.131 264.0);
Tailwind
colors: {
custom: {
50: '#6568a2',
500: '#13317b',
950: '#000000',
},
}SCSS
$custom: #13317b; $custom-light: #6568a2; $custom-dark: #000000;
JSON
{
"hex": "#13317b",
"rgb": {
"r": 19,
"g": 49,
"b": 123
},
"hsl": {
"h": 222.692,
"s": 73.239,
"l": 27.843
},
"oklch": {
"l": 0.34207,
"c": 0.13115,
"h": 264
},
"luminance": 0.03765
}Semantic roles & 50–950 ramp
primary
#13317B
secondary
#B18E39
accent
#BB38F0
background
#F6F6FA
surface
#EBEBF3
border
#C6C6CD
text
#06060F
muted
#7A7A7F