#18293F#18293F
#18293F is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.8% C 0.047 H 255.4°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).
Color values
| HEX | #18293F |
|---|---|
| RGB | rgb(24, 41, 63) |
| HSL | hsl(214, 45%, 17%) |
| HSV | hsv(214, 62%, 25%) |
| CMYK | cmyk(61.9%, 34.9%, 0%, 75.3%) |
| CIE-LAB | lab(16.20, 0.76, -16.13) |
| CIE-LCH | lch(16.20, 16.15, 272.70°) |
| OKLab | oklab(27.76% -0.0119 -0.0454) |
| OKLCH | oklch(27.76% 0.047 255.4) |
| XYZ | xyz(2.0665, 2.1388, 5.0056) |
| Luminance | 0.0214 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark
#1B2431
ΔE00 4.27
Navy Blue
#1B2A4A
ΔE00 4.48
Marine
#042E60
ΔE00 7.20
Dark Blue Grey
#1F3B4D
ΔE00 7.90
Marine Blue
#01386A
ΔE00 8.74
Navy (survey)
#01153E
ΔE00 8.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18293F #3F2E18
analogous
#183D3F #18293F #1B183F
triadic
#18293F #3F1829 #293F18
tetradic
#18293F #3F183D #3F2E18 #183F1B
square
#18293F #3F183D #3F2E18 #183F1B
split-complementary
#18293F #3F1B18 #3D3F18
monochromatic
#080E16 #080E16 #18293F #29466B #3A6398
Accessibility & contrast
On white
14.71
#18293F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.43
#18293F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18293F
14.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18293F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18293F | 1.00 | 14.71 | 1.43 | 14.71 |
| #FFFFFF | 14.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#202A40
Deuteranopia (green-blind)
#1B263F
Tritanopia (blue-blind)
#032E31
Achromatopsia (no color)
#282828
Design tokens & code
CSS
--color: #18293f; /* rgb */ color: rgb(24, 41, 63); /* oklch */ color: oklch(27.8% 0.047 255.4);
Tailwind
colors: {
custom: {
50: '#586274',
500: '#18293f',
950: '#000000',
},
}SCSS
$custom: #18293f; $custom-light: #586274; $custom-dark: #000000;
JSON
{
"hex": "#18293f",
"rgb": {
"r": 24,
"g": 41,
"b": 63
},
"hsl": {
"h": 213.846,
"s": 44.828,
"l": 17.059
},
"oklch": {
"l": 0.27761,
"c": 0.0469,
"h": 255.4
},
"luminance": 0.02139
}Semantic roles & 50–950 ramp
primary
#18293F
secondary
#755D3D
accent
#9C53D5
background
#F5F5F7
surface
#E9EAED
border
#C5C6C8
text
#030508
muted
#78797B