#1B7DA0#1B7DA0
#1B7DA0 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.100 H 228.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #1B7DA0 |
|---|---|
| RGB | rgb(27, 125, 160) |
| HSL | hsl(196, 71%, 37%) |
| HSV | hsv(196, 83%, 63%) |
| CMYK | cmyk(83.1%, 21.9%, 0%, 37.3%) |
| CIE-LAB | lab(48.81, -14.47, -26.40) |
| CIE-LCH | lch(48.81, 30.11, 241.27°) |
| OKLab | oklab(55.25% -0.0669 -0.0743) |
| OKLCH | oklch(55.25% 0.1 228) |
| XYZ | xyz(14.1281, 17.4365, 35.8719) |
| Luminance | 0.1744 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 2.64
Dirty Blue
#3F829D
ΔE00 3.52
Sea Blue
#047495
ΔE00 3.56
Ocean
#017B92
ΔE00 5.07
Ocean Blue (survey)
#03719C
ΔE00 5.19
Nice Blue
#107AB0
ΔE00 5.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B7DA0 #A03E1B
analogous
#1BA081 #1B7DA0 #1B3BA0
triadic
#1B7DA0 #A01B7D #7DA01B
tetradic
#1B7DA0 #811BA0 #A03E1B #3BA01B
square
#1B7DA0 #811BA0 #A03E1B #3BA01B
split-complementary
#1B7DA0 #A01B3B #A0811B
monochromatic
#092B37 #12546C #1B7DA0 #24A6D4 #53BCE2
Accessibility & contrast
On white
4.68
#1B7DA0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.49
#1B7DA0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1B7DA0
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B7DA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B7DA0 | 1.00 | 4.68 | 4.49 | 4.68 |
| #FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A7BA2
Deuteranopia (green-blind)
#596FA0
Tritanopia (blue-blind)
#008789
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #1b7da0; /* rgb */ color: rgb(27, 125, 160); /* oklch */ color: oklch(55.2% 0.100 228.0);
Tailwind
colors: {
custom: {
50: '#70a2bc',
500: '#1b7da0',
950: '#000000',
},
}SCSS
$custom: #1b7da0; $custom-light: #70a2bc; $custom-dark: #000000;
JSON
{
"hex": "#1b7da0",
"rgb": {
"r": 27,
"g": 125,
"b": 160
},
"hsl": {
"h": 195.789,
"s": 71.123,
"l": 36.667
},
"oklch": {
"l": 0.55247,
"c": 0.09996,
"h": 228
},
"luminance": 0.17438
}Semantic roles & 50–950 ramp
primary
#1B7DA0
secondary
#C57052
accent
#693AEE
background
#F7FAFB
surface
#EDF3F6
border
#C8CDD0
text
#090F12
muted
#7B7F81