#1B6F8B#1B6F8B
#1B6F8B is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 50.7% C 0.088 H 225.6°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).
Color values
| HEX | #1B6F8B |
|---|---|
| RGB | rgb(27, 111, 139) |
| HSL | hsl(195, 67%, 33%) |
| HSV | hsv(195, 81%, 55%) |
| CMYK | cmyk(80.6%, 20.1%, 0%, 45.5%) |
| CIE-LAB | lab(43.46, -14.14, -22.28) |
| CIE-LCH | lch(43.46, 26.39, 237.61°) |
| OKLab | oklab(50.66% -0.0613 -0.0625) |
| OKLCH | oklch(50.66% 0.088 225.6) |
| XYZ | xyz(10.7947, 13.4646, 26.4511) |
| Luminance | 0.1347 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 2.21
Ocean Blue (survey)
#03719C
ΔE00 4.66
Ocean
#017B92
ΔE00 5.33
Cerulean
#007BA7
ΔE00 6.24
Ugly Blue
#31668A
ΔE00 6.53
Peacock Blue
#016795
ΔE00 6.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B6F8B #8B371B
analogous
#1B8B6F #1B6F8B #1B378B
triadic
#1B6F8B #8B1B6F #6F8B1B
tetradic
#1B6F8B #6F1B8B #8B371B #378B1B
square
#1B6F8B #6F1B8B #8B371B #378B1B
split-complementary
#1B6F8B #8B1B37 #8B6F1B
monochromatic
#071D25 #114658 #1B6F8B #2598BE #45B6DB
Accessibility & contrast
On white
5.69
#1B6F8B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.69
#1B6F8B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1B6F8B
5.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B6F8B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B6F8B | 1.00 | 5.69 | 3.69 | 5.69 |
| #FFFFFF | 5.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#606D8C
Deuteranopia (green-blind)
#51628B
Tritanopia (blue-blind)
#007778
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #1b6f8b; /* rgb */ color: rgb(27, 111, 139); /* oklch */ color: oklch(50.7% 0.088 225.6);
Tailwind
colors: {
custom: {
50: '#6b98ad',
500: '#1b6f8b',
950: '#000000',
},
}SCSS
$custom: #1b6f8b; $custom-light: #6b98ad; $custom-dark: #000000;
JSON
{
"hex": "#1b6f8b",
"rgb": {
"r": 27,
"g": 111,
"b": 139
},
"hsl": {
"h": 195,
"s": 67.47,
"l": 32.549
},
"oklch": {
"l": 0.50662,
"c": 0.08755,
"h": 225.6
},
"luminance": 0.13466
}Semantic roles & 50–950 ramp
primary
#1B6F8B
secondary
#BC6345
accent
#693DEA
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080D10
muted
#7A7E7F