#18576E#18576E
#18576E is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 42.9% C 0.072 H 227.0°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #18576E |
|---|---|
| RGB | rgb(24, 87, 110) |
| HSL | hsl(196, 64%, 26%) |
| HSV | hsv(196, 78%, 43%) |
| CMYK | cmyk(78.2%, 20.9%, 0%, 56.9%) |
| CIE-LAB | lab(34.26, -11.16, -18.82) |
| CIE-LCH | lch(34.26, 21.88, 239.33°) |
| OKLab | oklab(42.86% -0.0492 -0.0528) |
| OKLCH | oklch(42.86% 0.072 227) |
| XYZ | xyz(6.5982, 8.1356, 15.9714) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 7.15
Petrol
#005F6A
ΔE00 7.52
Dark Grey Blue
#29465B
ΔE00 7.63
Deep Sea Blue
#015482
ΔE00 7.76
Ugly Blue
#31668A
ΔE00 7.98
Peacock Blue
#016795
ΔE00 8.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18576E #6E2F18
analogous
#186E5A #18576E #182C6E
triadic
#18576E #6E1857 #576E18
tetradic
#18576E #5A186E #6E2F18 #2C6E18
square
#18576E #5A186E #6E2F18 #2C6E18
split-complementary
#18576E #6E182C #6E5A18
monochromatic
#051419 #0D2F3C #18576E #237FA0 #2FA6D2
Accessibility & contrast
On white
7.99
#18576E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#18576E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18576E
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18576E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18576E | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B556F
Deuteranopia (green-blind)
#3F4D6E
Tritanopia (blue-blind)
#005E5F
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #18576e; /* rgb */ color: rgb(24, 87, 110); /* oklch */ color: oklch(42.9% 0.072 227.0);
Tailwind
colors: {
custom: {
50: '#638697',
500: '#18576e',
950: '#000000',
},
}SCSS
$custom: #18576e; $custom-light: #638697; $custom-dark: #000000;
JSON
{
"hex": "#18576e",
"rgb": {
"r": 24,
"g": 87,
"b": 110
},
"hsl": {
"h": 196.047,
"s": 64.179,
"l": 26.275
},
"oklch": {
"l": 0.42861,
"c": 0.07219,
"h": 227
},
"luminance": 0.08136
}Semantic roles & 50–950 ramp
primary
#18576E
secondary
#A4593E
accent
#6D41E7
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0D
muted
#7A7C7E