#18596B#18596B
#18596B is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.2% C 0.069 H 220.5°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).
Color values
| HEX | #18596B |
|---|---|
| RGB | rgb(24, 89, 107) |
| HSL | hsl(193, 63%, 26%) |
| HSV | hsv(193, 78%, 42%) |
| CMYK | cmyk(77.6%, 16.8%, 0%, 58%) |
| CIE-LAB | lab(34.80, -13.44, -16.12) |
| CIE-LCH | lch(34.80, 20.99, 230.17°) |
| OKLab | oklab(43.25% -0.0527 -0.045) |
| OKLCH | oklch(43.25% 0.069 220.5) |
| XYZ | xyz(6.6018, 8.3997, 15.1804) |
| Luminance | 0.0840 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Petrol
#005F6A
ΔE00 5.09
Deep Teal
#00555A
ΔE00 7.28
Darkslategray
#2F4F4F
ΔE00 8.79
Dark Slate Blue
#214761
ΔE00 9.21
Dark Grey Blue
#29465B
ΔE00 9.38
Ugly Blue
#31668A
ΔE00 9.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18596B #6B2A18
analogous
#186B53 #18596B #182F6B
triadic
#18596B #6B1859 #596B18
tetradic
#18596B #53186B #6B2A18 #2F6B18
square
#18596B #53186B #6B2A18 #2F6B18
split-complementary
#18596B #6B182F #6B5318
monochromatic
#061519 #0D2F39 #18596B #23839D #2EACCF
Accessibility & contrast
On white
7.84
#18596B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.68
#18596B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18596B
7.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18596B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18596B | 1.00 | 7.84 | 2.68 | 7.84 |
| #FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E576C
Deuteranopia (green-blind)
#434E6B
Tritanopia (blue-blind)
#005F5F
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #18596b; /* rgb */ color: rgb(24, 89, 107); /* oklch */ color: oklch(43.2% 0.069 220.5);
Tailwind
colors: {
custom: {
50: '#638895',
500: '#18596b',
950: '#000000',
},
}SCSS
$custom: #18596b; $custom-light: #638895; $custom-dark: #000000;
JSON
{
"hex": "#18596b",
"rgb": {
"r": 24,
"g": 89,
"b": 107
},
"hsl": {
"h": 193.012,
"s": 63.359,
"l": 25.686
},
"oklch": {
"l": 0.43249,
"c": 0.06933,
"h": 220.5
},
"luminance": 0.084
}Semantic roles & 50–950 ramp
primary
#18596B
secondary
#A1533E
accent
#6541E6
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#060B0D
muted
#7A7C7E