#1B7CA0#1B7CA0
#1B7CA0 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.0% C 0.100 H 228.9°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).
Color values
| HEX | #1B7CA0 |
|---|---|
| RGB | rgb(27, 124, 160) |
| HSL | hsl(196, 71%, 37%) |
| HSV | hsv(196, 83%, 63%) |
| CMYK | cmyk(83.1%, 22.5%, 0%, 37.3%) |
| CIE-LAB | lab(48.49, -13.91, -26.89) |
| CIE-LCH | lch(48.49, 30.27, 242.64°) |
| OKLab | oklab(55% -0.066 -0.0757) |
| OKLCH | oklch(55% 0.1 228.9) |
| XYZ | xyz(14.0022, 17.1846, 35.8299) |
| Luminance | 0.1719 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 2.19
Sea Blue
#047495
ΔE00 3.34
Dirty Blue
#3F829D
ΔE00 3.87
Ocean Blue (survey)
#03719C
ΔE00 4.67
Nice Blue
#107AB0
ΔE00 5.17
Ocean
#017B92
ΔE00 5.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B7CA0 #A03F1B
analogous
#1BA082 #1B7CA0 #1B39A0
triadic
#1B7CA0 #A01B7C #7CA01B
tetradic
#1B7CA0 #821BA0 #A03F1B #39A01B
square
#1B7CA0 #821BA0 #A03F1B #39A01B
split-complementary
#1B7CA0 #A01B39 #A0821B
monochromatic
#092B37 #12536C #1B7CA0 #24A5D4 #53BBE2
Accessibility & contrast
On white
4.73
#1B7CA0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.44
#1B7CA0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1B7CA0
4.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B7CA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B7CA0 | 1.00 | 4.73 | 4.44 | 4.73 |
| #FFFFFF | 4.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.44 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#697AA2
Deuteranopia (green-blind)
#586EA0
Tritanopia (blue-blind)
#008688
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #1b7ca0; /* rgb */ color: rgb(27, 124, 160); /* oklch */ color: oklch(55.0% 0.100 228.9);
Tailwind
colors: {
custom: {
50: '#70a2bc',
500: '#1b7ca0',
950: '#000000',
},
}SCSS
$custom: #1b7ca0; $custom-light: #70a2bc; $custom-dark: #000000;
JSON
{
"hex": "#1b7ca0",
"rgb": {
"r": 27,
"g": 124,
"b": 160
},
"hsl": {
"h": 196.241,
"s": 71.123,
"l": 36.667
},
"oklch": {
"l": 0.54996,
"c": 0.10038,
"h": 228.9
},
"luminance": 0.17186
}Semantic roles & 50–950 ramp
primary
#1B7CA0
secondary
#C57152
accent
#6B3AEE
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090F12
muted
#7B7E81