#1B98BB#1B98BB
#1B98BB is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.2% C 0.112 H 223.0°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).
Color values
| HEX | #1B98BB |
|---|---|
| RGB | rgb(27, 152, 187) |
| HSL | hsl(193, 75%, 42%) |
| HSV | hsv(193, 86%, 73%) |
| CMYK | cmyk(85.6%, 18.7%, 0%, 26.7%) |
| CIE-LAB | lab(58.30, -19.68, -27.21) |
| CIE-LCH | lch(58.30, 33.58, 234.12°) |
| OKLab | oklab(63.23% -0.0821 -0.0764) |
| OKLCH | oklch(63.23% 0.112 223) |
| XYZ | xyz(20.6461, 26.2747, 50.9874) |
| Luminance | 0.2628 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 7.04
Dirty Blue
#3F829D
ΔE00 7.97
Greyblue
#77A1B5
ΔE00 9.26
Turquoise Blue
#06B1C4
ΔE00 9.76
Dusty Blue
#5A86AD
ΔE00 10.80
Cerulean
#007BA7
ΔE00 10.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B98BB #BB3E1B
analogous
#1BBB8E #1B98BB #1B48BB
triadic
#1B98BB #BB1B98 #98BB1B
tetradic
#1B98BB #8E1BBB #BB3E1B #48BB1B
square
#1B98BB #8E1BBB #BB3E1B #48BB1B
split-complementary
#1B98BB #BB1B48 #BB8E1B
monochromatic
#0C4150 #136D86 #1B98BB #32BBE1 #67CDE9
Accessibility & contrast
On white
3.36
#1B98BB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.26
#1B98BB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1B98BB
6.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B98BB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1B98BB | 1.00 | 3.36 | 6.26 | 6.26 |
| #FFFFFF | 3.36 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8494BD
Deuteranopia (green-blind)
#7086BB
Tritanopia (blue-blind)
#00A3A3
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #1b98bb; /* rgb */ color: rgb(27, 152, 187); /* oklch */ color: oklch(63.2% 0.112 223.0);
Tailwind
colors: {
custom: {
50: '#77b6cf',
500: '#1b98bb',
950: '#000000',
},
}SCSS
$custom: #1b98bb; $custom-light: #77b6cf; $custom-dark: #000000;
JSON
{
"hex": "#1b98bb",
"rgb": {
"r": 27,
"g": 152,
"b": 187
},
"hsl": {
"h": 193.125,
"s": 74.766,
"l": 41.961
},
"oklch": {
"l": 0.63233,
"c": 0.11211,
"h": 223
},
"luminance": 0.26277
}Semantic roles & 50–950 ramp
primary
#1B98BB
secondary
#CE7B63
accent
#5F36F1
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0A1113
muted
#7C8082