#133A4C#133A4C
#133A4C is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.054 H 231.7°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).
Color values
| HEX | #133A4C |
|---|---|
| RGB | rgb(19, 58, 76) |
| HSL | hsl(199, 60%, 19%) |
| HSV | hsv(199, 75%, 30%) |
| CMYK | cmyk(75%, 23.7%, 0%, 70.2%) |
| CIE-LAB | lab(22.61, -6.90, -15.00) |
| CIE-LCH | lch(22.61, 16.51, 245.31°) |
| OKLab | oklab(32.98% -0.0333 -0.0421) |
| OKLCH | oklch(32.98% 0.054 231.7) |
| XYZ | xyz(3.0856, 3.6860, 7.3849) |
| Luminance | 0.0369 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 2.40
Dark Grey Blue
#29465B
ΔE00 5.11
Dark Slate Blue
#214761
ΔE00 5.63
Charcoal
#36454F
ΔE00 6.93
Gunmetal
#2A3439
ΔE00 7.89
Marine Blue
#01386A
ΔE00 9.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#133A4C #4C2513
analogous
#134C41 #133A4C #131D4C
triadic
#133A4C #4C133A #3A4C13
tetradic
#133A4C #41134C #4C2513 #1D4C13
square
#133A4C #41134C #4C2513 #1D4C13
split-complementary
#133A4C #4C131D #4C4113
monochromatic
#061318 #07151B #133A4C #1F5F7D #2B85AE
Accessibility & contrast
On white
12.09
#133A4C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.74
#133A4C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #133A4C
12.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##133A4C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##133A4C | 1.00 | 12.09 | 1.74 | 12.09 |
| #FFFFFF | 12.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#31394D
Deuteranopia (green-blind)
#29334C
Tritanopia (blue-blind)
#003F40
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #133a4c; /* rgb */ color: rgb(19, 58, 76); /* oklch */ color: oklch(33.0% 0.054 231.7);
Tailwind
colors: {
custom: {
50: '#59707e',
500: '#133a4c',
950: '#000000',
},
}SCSS
$custom: #133a4c; $custom-light: #59707e; $custom-dark: #000000;
JSON
{
"hex": "#133a4c",
"rgb": {
"r": 19,
"g": 58,
"b": 76
},
"hsl": {
"h": 198.947,
"s": 60,
"l": 18.627
},
"oklch": {
"l": 0.32983,
"c": 0.05363,
"h": 231.7
},
"luminance": 0.03686
}Semantic roles & 50–950 ramp
primary
#133A4C
secondary
#854F36
accent
#7745E3
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#040709
muted
#797A7B