#1B6F83#1B6F83
#1B6F83 is a mid, moderate cyan. Relative luminance 0.132; OKLCH L 50.3% C 0.082 H 217.9°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).
Color values
| HEX | #1B6F83 |
|---|---|
| RGB | rgb(27, 111, 131) |
| HSL | hsl(192, 66%, 31%) |
| HSV | hsv(192, 79%, 51%) |
| CMYK | cmyk(79.4%, 15.3%, 0%, 48.6%) |
| CIE-LAB | lab(43.12, -16.99, -18.01) |
| CIE-LCH | lch(43.12, 24.75, 226.67°) |
| OKLab | oklab(50.28% -0.0646 -0.0503) |
| OKLCH | oklch(50.28% 0.082 217.9) |
| XYZ | xyz(10.2314, 13.2393, 23.4845) |
| Luminance | 0.1324 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 4.39
Sea Blue
#047495
ΔE00 4.73
Petrol
#005F6A
ΔE00 6.96
Deep Aqua
#08787F
ΔE00 7.09
Ocean Blue (survey)
#03719C
ΔE00 7.91
Dirty Blue
#3F829D
ΔE00 8.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B6F83 #832F1B
analogous
#1B8363 #1B6F83 #1B3B83
triadic
#1B6F83 #831B6F #6F831B
tetradic
#1B6F83 #631B83 #832F1B #3B831B
square
#1B6F83 #631B83 #832F1B #3B831B
split-complementary
#1B6F83 #831B3B #83631B
monochromatic
#06191E #114450 #1B6F83 #259AB6 #41BBD8
Accessibility & contrast
On white
5.76
#1B6F83 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.65
#1B6F83 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1B6F83
5.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B6F83 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B6F83 | 1.00 | 5.76 | 3.65 | 5.76 |
| #FFFFFF | 5.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#626C84
Deuteranopia (green-blind)
#546183
Tritanopia (blue-blind)
#007675
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #1b6f83; /* rgb */ color: rgb(27, 111, 131); /* oklch */ color: oklch(50.3% 0.082 217.9);
Tailwind
colors: {
custom: {
50: '#6a98a7',
500: '#1b6f83',
950: '#000000',
},
}SCSS
$custom: #1b6f83; $custom-light: #6a98a7; $custom-dark: #000000;
JSON
{
"hex": "#1b6f83",
"rgb": {
"r": 27,
"g": 111,
"b": 131
},
"hsl": {
"h": 191.538,
"s": 65.823,
"l": 30.98
},
"oklch": {
"l": 0.50284,
"c": 0.08185,
"h": 217.9
},
"luminance": 0.13241
}Semantic roles & 50–950 ramp
primary
#1B6F83
secondary
#B65943
accent
#603FE9
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070D0F
muted
#7A7E7F