#13397C#13397C
#13397C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.1% C 0.122 H 260.8°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).
Color values
| HEX | #13397C |
|---|---|
| RGB | rgb(19, 57, 124) |
| HSL | hsl(218, 73%, 28%) |
| HSV | hsv(218, 85%, 49%) |
| CMYK | cmyk(84.7%, 54%, 0%, 51.4%) |
| CIE-LAB | lab(25.32, 13.74, -41.79) |
| CIE-LCH | lch(25.32, 43.99, 288.20°) |
| OKLab | oklab(36.08% -0.0194 -0.1204) |
| OKLCH | oklch(36.08% 0.122 260.8) |
| XYZ | xyz(5.3685, 4.5193, 19.6542) |
| Luminance | 0.0452 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 3.52
Marine Blue
#01386A
ΔE00 3.63
Twilight Blue
#0A437A
ΔE00 4.45
Marine
#042E60
ΔE00 4.84
Cobalt (survey)
#1E488F
ΔE00 5.07
Prussian Blue
#004577
ΔE00 6.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#13397C #7C5613
analogous
#136D7C #13397C #22137C
triadic
#13397C #7C1339 #397C13
tetradic
#13397C #7C136D #7C5613 #137C22
square
#13397C #7C136D #7C5613 #137C22
split-complementary
#13397C #7C2213 #6D7C13
monochromatic
#040C1B #0B2147 #13397C #1B51B1 #2B6CDF
Accessibility & contrast
On white
11.03
#13397C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.90
#13397C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #13397C
11.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##13397C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##13397C | 1.00 | 11.03 | 1.90 | 11.03 |
| #FFFFFF | 11.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.90 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#09417E
Deuteranopia (green-blind)
#00387B
Tritanopia (blue-blind)
#004954
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #13397c; /* rgb */ color: rgb(19, 57, 124); /* oklch */ color: oklch(36.1% 0.122 260.8);
Tailwind
colors: {
custom: {
50: '#646ea2',
500: '#13397c',
950: '#000000',
},
}SCSS
$custom: #13397c; $custom-light: #646ea2; $custom-dark: #000000;
JSON
{
"hex": "#13397c",
"rgb": {
"r": 19,
"g": 57,
"b": 124
},
"hsl": {
"h": 218.286,
"s": 73.427,
"l": 28.039
},
"oklch": {
"l": 0.3608,
"c": 0.12201,
"h": 260.8
},
"luminance": 0.0452
}Semantic roles & 50–950 ramp
primary
#13397C
secondary
#B28639
accent
#AD38F0
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#06070F
muted
#7A7A7F