#133366#133366
#133366 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.9% C 0.097 H 259.5°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).
Color values
| HEX | #133366 |
|---|---|
| RGB | rgb(19, 51, 102) |
| HSL | hsl(217, 69%, 24%) |
| HSV | hsv(217, 81%, 40%) |
| CMYK | cmyk(81.4%, 50%, 0%, 60%) |
| CIE-LAB | lab(21.82, 8.71, -33.36) |
| CIE-LCH | lch(21.82, 34.48, 284.63°) |
| OKLab | oklab(32.87% -0.0178 -0.0958) |
| OKLCH | oklch(32.87% 0.097 259.5) |
| XYZ | xyz(3.8498, 3.4650, 13.0337) |
| Luminance | 0.0347 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Marine
#042E60
ΔE00 1.80
Marine Blue
#01386A
ΔE00 3.04
Navy Blue
#1B2A4A
ΔE00 5.80
Darkish Blue
#014182
ΔE00 5.82
Twilight Blue
#0A437A
ΔE00 6.06
Prussian Blue
#004577
ΔE00 7.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#133366 #664613
analogous
#135C66 #133366 #1C1366
triadic
#133366 #661333 #336613
tetradic
#133366 #66135C #664613 #13661C
square
#133366 #66135C #664613 #13661C
split-complementary
#133366 #661C13 #5C6613
monochromatic
#050D1A #091932 #133366 #1D4D9A #2667CD
Accessibility & contrast
On white
12.40
#133366 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.69
#133366 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #133366
12.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##133366 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##133366 | 1.00 | 12.40 | 1.69 | 12.40 |
| #FFFFFF | 12.40 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.40 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#173868
Deuteranopia (green-blind)
#023165
Tritanopia (blue-blind)
#003F47
Achromatopsia (no color)
#343434
Design tokens & code
CSS
--color: #133366; /* rgb */ color: rgb(19, 51, 102); /* oklch */ color: oklch(32.9% 0.097 259.5);
Tailwind
colors: {
custom: {
50: '#5f6a92',
500: '#133366',
950: '#000000',
},
}SCSS
$custom: #133366; $custom-light: #5f6a92; $custom-dark: #000000;
JSON
{
"hex": "#133366",
"rgb": {
"r": 19,
"g": 51,
"b": 102
},
"hsl": {
"h": 216.867,
"s": 68.595,
"l": 23.725
},
"oklch": {
"l": 0.32874,
"c": 0.09743,
"h": 259.5
},
"luminance": 0.03465
}Semantic roles & 50–950 ramp
primary
#133366
secondary
#9D7637
accent
#A83CEB
background
#F5F6F9
surface
#EAEBF1
border
#C6C6CB
text
#05060D
muted
#797A7E