#18587E#18587E
#18587E is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.0% C 0.088 H 239.9°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).
Color values
| HEX | #18587E |
|---|---|
| RGB | rgb(24, 88, 126) |
| HSL | hsl(202, 68%, 29%) |
| HSV | hsv(202, 81%, 49%) |
| CMYK | cmyk(81%, 30.2%, 0%, 50.6%) |
| CIE-LAB | lab(35.36, -5.68, -27.02) |
| CIE-LCH | lch(35.36, 27.61, 258.13°) |
| OKLab | oklab(43.99% -0.0442 -0.0765) |
| OKLCH | oklch(43.99% 0.088 239.9) |
| XYZ | xyz(7.6308, 8.6791, 21.0077) |
| Luminance | 0.0868 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 2.18
Light Navy Blue
#2E5A88
ΔE00 4.45
Light Navy
#155084
ΔE00 4.63
Ugly Blue
#31668A
ΔE00 5.07
Peacock Blue
#016795
ΔE00 5.48
Denim (survey)
#3B638C
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18587E #7E3E18
analogous
#187E71 #18587E #18257E
triadic
#18587E #7E1858 #587E18
tetradic
#18587E #71187E #7E3E18 #257E18
square
#18587E #71187E #7E3E18 #257E18
split-complementary
#18587E #7E1825 #7E7118
monochromatic
#05121A #0E344B #18587E #227CB1 #379DD9
Accessibility & contrast
On white
7.68
#18587E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.74
#18587E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18587E
7.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18587E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18587E | 1.00 | 7.68 | 2.74 | 7.68 |
| #FFFFFF | 7.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#465880
Deuteranopia (green-blind)
#384F7D
Tritanopia (blue-blind)
#006265
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #18587e; /* rgb */ color: rgb(24, 88, 126); /* oklch */ color: oklch(44.0% 0.088 239.9);
Tailwind
colors: {
custom: {
50: '#6687a3',
500: '#18587e',
950: '#000000',
},
}SCSS
$custom: #18587e; $custom-light: #6687a3; $custom-dark: #000000;
JSON
{
"hex": "#18587e",
"rgb": {
"r": 24,
"g": 88,
"b": 126
},
"hsl": {
"h": 202.353,
"s": 68,
"l": 29.412
},
"oklch": {
"l": 0.43986,
"c": 0.08834,
"h": 239.9
},
"luminance": 0.0868
}Semantic roles & 50–950 ramp
primary
#18587E
secondary
#B26A3F
accent
#7E3DEB
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070B0F
muted
#7A7C7F