#186C81#186C81
#186C81 is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.3% C 0.082 H 219.2°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).
Color values
| HEX | #186C81 |
|---|---|
| RGB | rgb(24, 108, 129) |
| HSL | hsl(192, 69%, 30%) |
| HSV | hsv(192, 81%, 51%) |
| CMYK | cmyk(81.4%, 16.3%, 0%, 49.4%) |
| CIE-LAB | lab(42.00, -16.36, -18.52) |
| CIE-LCH | lch(42.00, 24.72, 228.55°) |
| OKLab | oklab(49.34% -0.0635 -0.0518) |
| OKLCH | oklch(49.34% 0.082 219.2) |
| XYZ | xyz(9.7000, 12.5031, 22.6667) |
| Luminance | 0.1250 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 4.85
Ocean
#017B92
ΔE00 5.41
Petrol
#005F6A
ΔE00 6.46
Ocean Blue (survey)
#03719C
ΔE00 7.65
Deep Aqua
#08787F
ΔE00 7.98
Ugly Blue
#31668A
ΔE00 8.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#186C81 #812D18
analogous
#188161 #186C81 #183881
triadic
#186C81 #81186C #6C8118
tetradic
#186C81 #611881 #812D18 #388118
square
#186C81 #611881 #812D18 #388118
split-complementary
#186C81 #811838 #816118
monochromatic
#05161A #0E414D #186C81 #2297B5 #39BADA
Accessibility & contrast
On white
6.00
#186C81 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#186C81 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #186C81
6.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##186C81 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##186C81 | 1.00 | 6.00 | 3.50 | 6.00 |
| #FFFFFF | 6.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F6982
Deuteranopia (green-blind)
#515F81
Tritanopia (blue-blind)
#007373
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #186c81; /* rgb */ color: rgb(24, 108, 129); /* oklch */ color: oklch(49.3% 0.082 219.2);
Tailwind
colors: {
custom: {
50: '#6896a5',
500: '#186c81',
950: '#000000',
},
}SCSS
$custom: #186c81; $custom-light: #6896a5; $custom-dark: #000000;
JSON
{
"hex": "#186c81",
"rgb": {
"r": 24,
"g": 108,
"b": 129
},
"hsl": {
"h": 192,
"s": 68.627,
"l": 30
},
"oklch": {
"l": 0.49342,
"c": 0.08195,
"h": 219.2
},
"luminance": 0.12504
}Semantic roles & 50–950 ramp
primary
#186C81
secondary
#B55740
accent
#5F3CEB
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070D0F
muted
#7A7E7F