#1A90B4#1A90B4
#1A90B4 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 60.9% C 0.110 H 224.9°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).
Color values
| HEX | #1A90B4 |
|---|---|
| RGB | rgb(26, 144, 180) |
| HSL | hsl(194, 75%, 40%) |
| HSV | hsv(194, 86%, 71%) |
| CMYK | cmyk(85.6%, 20%, 0%, 29.4%) |
| CIE-LAB | lab(55.54, -17.91, -27.50) |
| CIE-LCH | lch(55.54, 32.81, 236.93°) |
| OKLab | oklab(60.92% -0.0776 -0.0773) |
| OKLCH | oklch(60.92% 0.11 224.9) |
| XYZ | xyz(18.6340, 23.4590, 46.7171) |
| Luminance | 0.2346 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 5.60
Teal Blue
#01889F
ΔE00 5.66
Cerulean
#007BA7
ΔE00 8.23
Ocean
#017B92
ΔE00 9.06
Dusty Blue
#5A86AD
ΔE00 9.32
Water Blue
#0E87CC
ΔE00 9.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1A90B4 #B43E1A
analogous
#1AB48B #1A90B4 #1A43B4
triadic
#1A90B4 #B41A90 #90B41A
tetradic
#1A90B4 #8B1AB4 #B43E1A #43B41A
square
#1A90B4 #8B1AB4 #B43E1A #43B41A
split-complementary
#1A90B4 #B41A43 #B48B1A
monochromatic
#0B3A49 #12657F #1A90B4 #2BB6E0 #60C8E8
Accessibility & contrast
On white
3.69
#1A90B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.69
#1A90B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1A90B4
5.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1A90B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1A90B4 | 1.00 | 3.69 | 5.69 | 5.69 |
| #FFFFFF | 3.69 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C8DB6
Deuteranopia (green-blind)
#687FB4
Tritanopia (blue-blind)
#009B9C
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #1a90b4; /* rgb */ color: rgb(26, 144, 180); /* oklch */ color: oklch(60.9% 0.110 224.9);
Tailwind
colors: {
custom: {
50: '#75b0ca',
500: '#1a90b4',
950: '#000000',
},
}SCSS
$custom: #1a90b4; $custom-light: #75b0ca; $custom-dark: #000000;
JSON
{
"hex": "#1a90b4",
"rgb": {
"r": 26,
"g": 144,
"b": 180
},
"hsl": {
"h": 194.026,
"s": 74.757,
"l": 40.392
},
"oklch": {
"l": 0.60923,
"c": 0.1095,
"h": 224.9
},
"luminance": 0.23461
}Semantic roles & 50–950 ramp
primary
#1A90B4
secondary
#CC775D
accent
#6236F1
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82