#1B778E#1B778E
#1B778E is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 52.9% C 0.088 H 219.3°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).
Color values
| HEX | #1B778E |
|---|---|
| RGB | rgb(27, 119, 142) |
| HSL | hsl(192, 68%, 33%) |
| HSV | hsv(192, 81%, 56%) |
| CMYK | cmyk(81%, 16.2%, 0%, 44.3%) |
| CIE-LAB | lab(46.15, -17.54, -19.92) |
| CIE-LCH | lch(46.15, 26.54, 228.63°) |
| OKLab | oklab(52.86% -0.0681 -0.0557) |
| OKLCH | oklch(52.86% 0.088 219.3) |
| XYZ | xyz(11.9292, 15.3782, 27.9255) |
| Luminance | 0.1538 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 1.78
Sea Blue
#047495
ΔE00 3.65
Dirty Blue
#3F829D
ΔE00 5.90
Teal Blue
#01889F
ΔE00 6.34
Cerulean
#007BA7
ΔE00 6.94
Deep Aqua
#08787F
ΔE00 7.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B778E #8E321B
analogous
#1B8E6B #1B778E #1B3D8E
triadic
#1B778E #8E1B77 #778E1B
tetradic
#1B778E #6B1B8E #8E321B #3D8E1B
square
#1B778E #6B1B8E #8E321B #3D8E1B
split-complementary
#1B778E #8E1B3D #8E6B1B
monochromatic
#072127 #114C5B #1B778E #25A2C1 #47BEDC
Accessibility & contrast
On white
5.15
#1B778E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.08
#1B778E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1B778E
5.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B778E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B778E | 1.00 | 5.15 | 4.08 | 5.15 |
| #FFFFFF | 5.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#69748F
Deuteranopia (green-blind)
#5A698E
Tritanopia (blue-blind)
#007F7E
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #1b778e; /* rgb */ color: rgb(27, 119, 142); /* oklch */ color: oklch(52.9% 0.088 219.3);
Tailwind
colors: {
custom: {
50: '#6c9eaf',
500: '#1b778e',
950: '#000000',
},
}SCSS
$custom: #1b778e; $custom-light: #6c9eaf; $custom-dark: #000000;
JSON
{
"hex": "#1b778e",
"rgb": {
"r": 27,
"g": 119,
"b": 142
},
"hsl": {
"h": 192,
"s": 68.047,
"l": 33.137
},
"oklch": {
"l": 0.52865,
"c": 0.08804,
"h": 219.3
},
"luminance": 0.1538
}Semantic roles & 50–950 ramp
primary
#1B778E
secondary
#BE5F47
accent
#603DEB
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F