#133C4F#133C4F
#133C4F is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.056 H 232.0°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).
Color values
| HEX | #133C4F |
|---|---|
| RGB | rgb(19, 60, 79) |
| HSL | hsl(199, 61%, 19%) |
| HSV | hsv(199, 76%, 31%) |
| CMYK | cmyk(75.9%, 24.1%, 0%, 69%) |
| CIE-LAB | lab(23.45, -7.02, -15.68) |
| CIE-LCH | lch(23.45, 17.18, 245.88°) |
| OKLab | oklab(33.71% -0.0344 -0.044) |
| OKLCH | oklch(33.71% 0.056 232) |
| XYZ | xyz(3.2951, 3.9343, 7.9814) |
| Luminance | 0.0394 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 2.46
Dark Grey Blue
#29465B
ΔE00 4.62
Dark Slate Blue
#214761
ΔE00 5.02
Charcoal
#36454F
ΔE00 6.87
Gunmetal
#2A3439
ΔE00 8.36
Prussian Blue
#004577
ΔE00 9.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#133C4F #4F2613
analogous
#134F44 #133C4F #131E4F
triadic
#133C4F #4F133C #3C4F13
tetradic
#133C4F #44134F #4F2613 #1E4F13
square
#133C4F #44134F #4F2613 #1E4F13
split-complementary
#133C4F #4F131E #4F4413
monochromatic
#061319 #07171E #133C4F #1F6180 #2B87B2
Accessibility & contrast
On white
11.75
#133C4F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.79
#133C4F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #133C4F
11.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##133C4F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##133C4F | 1.00 | 11.75 | 1.79 | 11.75 |
| #FFFFFF | 11.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.79 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#333B50
Deuteranopia (green-blind)
#2A354F
Tritanopia (blue-blind)
#004142
Achromatopsia (no color)
#383838
Design tokens & code
CSS
--color: #133c4f; /* rgb */ color: rgb(19, 60, 79); /* oklch */ color: oklch(33.7% 0.056 232.0);
Tailwind
colors: {
custom: {
50: '#5a7180',
500: '#133c4f',
950: '#000000',
},
}SCSS
$custom: #133c4f; $custom-light: #5a7180; $custom-dark: #000000;
JSON
{
"hex": "#133c4f",
"rgb": {
"r": 19,
"g": 60,
"b": 79
},
"hsl": {
"h": 199,
"s": 61.224,
"l": 19.216
},
"oklch": {
"l": 0.33707,
"c": 0.05585,
"h": 232
},
"luminance": 0.03935
}Semantic roles & 50–950 ramp
primary
#133C4F
secondary
#885036
accent
#7643E4
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04070A
muted
#797A7C