#1B93B4#1B93B4
#1B93B4 is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 61.7% C 0.108 H 222.4°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).
Color values
| HEX | #1B93B4 |
|---|---|
| RGB | rgb(27, 147, 180) |
| HSL | hsl(193, 74%, 41%) |
| HSV | hsv(193, 85%, 71%) |
| CMYK | cmyk(85%, 18.3%, 0%, 29.4%) |
| CIE-LAB | lab(56.48, -19.44, -26.05) |
| CIE-LCH | lch(56.48, 32.50, 233.26°) |
| OKLab | oklab(61.68% -0.0801 -0.0731) |
| OKLCH | oklch(61.68% 0.108 222.4) |
| XYZ | xyz(19.1204, 24.3933, 46.8718) |
| Luminance | 0.2440 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 5.45
Dirty Blue
#3F829D
ΔE00 6.44
Ocean
#017B92
ΔE00 9.51
Cerulean
#007BA7
ΔE00 9.59
Greyblue
#77A1B5
ΔE00 9.98
Dusty Blue
#5A86AD
ΔE00 10.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B93B4 #B43C1B
analogous
#1BB488 #1B93B4 #1B47B4
triadic
#1B93B4 #B41B93 #93B41B
tetradic
#1B93B4 #881BB4 #B43C1B #47B41B
square
#1B93B4 #881BB4 #B43C1B #47B41B
split-complementary
#1B93B4 #B41B47 #B4881B
monochromatic
#0B3C4A #13687F #1B93B4 #2DB9DF #62CBE7
Accessibility & contrast
On white
3.57
#1B93B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.88
#1B93B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1B93B4
5.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B93B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1B93B4 | 1.00 | 3.57 | 5.88 | 5.88 |
| #FFFFFF | 3.57 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.88 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.88 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#808FB6
Deuteranopia (green-blind)
#6C81B4
Tritanopia (blue-blind)
#009D9E
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #1b93b4; /* rgb */ color: rgb(27, 147, 180); /* oklch */ color: oklch(61.7% 0.108 222.4);
Tailwind
colors: {
custom: {
50: '#75b2ca',
500: '#1b93b4',
950: '#000000',
},
}SCSS
$custom: #1b93b4; $custom-light: #75b2ca; $custom-dark: #000000;
JSON
{
"hex": "#1b93b4",
"rgb": {
"r": 27,
"g": 147,
"b": 180
},
"hsl": {
"h": 192.941,
"s": 73.913,
"l": 40.588
},
"oklch": {
"l": 0.61679,
"c": 0.10844,
"h": 222.4
},
"luminance": 0.24396
}Semantic roles & 50–950 ramp
primary
#1B93B4
secondary
#CC765F
accent
#5F37F1
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082