#131F2F#131F2F
#131F2F is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.7% C 0.035 H 255.9°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).
Color values
| HEX | #131F2F |
|---|---|
| RGB | rgb(19, 31, 47) |
| HSL | hsl(214, 42%, 13%) |
| HSV | hsv(214, 60%, 18%) |
| CMYK | cmyk(59.6%, 34%, 0%, 81.6%) |
| CIE-LAB | lab(11.44, 0.42, -12.26) |
| CIE-LCH | lch(11.44, 12.27, 271.96°) |
| OKLab | oklab(23.65% -0.0086 -0.0343) |
| OKLCH | oklch(23.65% 0.035 255.9) |
| XYZ | xyz(1.2715, 1.3236, 2.8772) |
| Luminance | 0.0132 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark
#1B2431
ΔE00 2.30
Navy Blue
#1B2A4A
ΔE00 7.40
Gunmetal
#2A3439
ΔE00 9.53
Navy (survey)
#01153E
ΔE00 9.56
Dark Blue Grey
#1F3B4D
ΔE00 10.05
Almost Black
#070D0D
ΔE00 10.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#131F2F #2F2313
analogous
#132D2F #131F2F #15132F
triadic
#131F2F #2F131F #1F2F13
tetradic
#131F2F #2F132D #2F2313 #132F15
square
#131F2F #2F132D #2F2313 #132F15
split-complementary
#131F2F #2F1513 #2D2F13
monochromatic
#090E16 #090E16 #131F2F #253C5B #365886
Accessibility & contrast
On white
16.60
#131F2F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.26
#131F2F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #131F2F
16.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##131F2F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##131F2F | 1.00 | 16.60 | 1.26 | 16.60 |
| #FFFFFF | 16.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#192030
Deuteranopia (green-blind)
#151D2F
Tritanopia (blue-blind)
#072325
Achromatopsia (no color)
#1E1E1E
Design tokens & code
CSS
--color: #131f2f; /* rgb */ color: rgb(19, 31, 47); /* oklch */ color: oklch(23.7% 0.035 255.9);
Tailwind
colors: {
custom: {
50: '#535a67',
500: '#131f2f',
950: '#000000',
},
}SCSS
$custom: #131f2f; $custom-light: #535a67; $custom-dark: #000000;
JSON
{
"hex": "#131f2f",
"rgb": {
"r": 19,
"g": 31,
"b": 47
},
"hsl": {
"h": 214.286,
"s": 42.424,
"l": 12.941
},
"oklch": {
"l": 0.23652,
"c": 0.03542,
"h": 255.9
},
"luminance": 0.01324
}Semantic roles & 50–950 ramp
primary
#131F2F
secondary
#665237
accent
#9D56D2
background
#F4F5F6
surface
#E7E9EB
border
#C3C5C6
text
#020306
muted
#78787A