#1C666B#1C666B
#1C666B is a mid, moderate teal. Relative luminance 0.108; OKLCH L 46.9% C 0.070 H 201.7°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).
Color values
| HEX | #1C666B |
|---|---|
| RGB | rgb(28, 102, 107) |
| HSL | hsl(184, 59%, 26%) |
| HSV | hsv(184, 74%, 42%) |
| CMYK | cmyk(73.8%, 4.7%, 0%, 58%) |
| CIE-LAB | lab(39.26, -20.14, -9.33) |
| CIE-LCH | lch(39.26, 22.19, 204.86°) |
| OKLab | oklab(46.87% -0.0652 -0.0259) |
| OKLCH | oklch(46.87% 0.07 201.7) |
| XYZ | xyz(7.8829, 10.8102, 15.5782) |
| Luminance | 0.1081 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Aqua
#05696B
ΔE00 2.52
Petrol
#005F6A
ΔE00 3.57
Dark Turquoise
#045C5A
ΔE00 5.14
Deep Turquoise
#017374
ΔE00 5.27
Deep Teal
#00555A
ΔE00 5.76
Dark Aquamarine
#017371
ΔE00 5.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C666B #6B211C
analogous
#1C6B49 #1C666B #1C3F6B
triadic
#1C666B #6B1C66 #666B1C
tetradic
#1C666B #491C6B #6B211C #3F6B1C
square
#1C666B #491C6B #6B211C #3F6B1C
split-complementary
#1C666B #6B1C3F #6B491C
monochromatic
#061718 #0F383A #1C666B #29949C #37C1CB
Accessibility & contrast
On white
6.64
#1C666B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.16
#1C666B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1C666B
6.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C666B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C666B | 1.00 | 6.64 | 3.16 | 6.64 |
| #FFFFFF | 6.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.16 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E616B
Deuteranopia (green-blind)
#52596B
Tritanopia (blue-blind)
#006A67
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #1c666b; /* rgb */ color: rgb(28, 102, 107); /* oklch */ color: oklch(46.9% 0.070 201.7);
Tailwind
colors: {
custom: {
50: '#669295',
500: '#1c666b',
950: '#000000',
},
}SCSS
$custom: #1c666b; $custom-light: #669295; $custom-dark: #000000;
JSON
{
"hex": "#1c666b",
"rgb": {
"r": 28,
"g": 102,
"b": 107
},
"hsl": {
"h": 183.797,
"s": 58.519,
"l": 26.471
},
"oklch": {
"l": 0.4687,
"c": 0.07014,
"h": 201.7
},
"luminance": 0.10811
}Semantic roles & 50–950 ramp
primary
#1C666B
secondary
#A04943
accent
#5046E2
background
#F6F8F9
surface
#EBF0F1
border
#C6CBCB
text
#060D0D
muted
#7A7D7E