#1B89A8#1B89A8
#1B89A8 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.6% C 0.102 H 222.6°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).
Color values
| HEX | #1B89A8 |
|---|---|
| RGB | rgb(27, 137, 168) |
| HSL | hsl(193, 72%, 38%) |
| HSV | hsv(193, 84%, 66%) |
| CMYK | cmyk(83.9%, 18.5%, 0%, 34.1%) |
| CIE-LAB | lab(52.89, -18.24, -24.71) |
| CIE-LCH | lch(52.89, 30.72, 233.56°) |
| OKLab | oklab(58.64% -0.0753 -0.0693) |
| OKLCH | oklch(58.64% 0.102 222.6) |
| XYZ | xyz(16.4626, 20.9494, 40.2142) |
| Luminance | 0.2095 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 3.44
Dirty Blue
#3F829D
ΔE00 3.64
Ocean
#017B92
ΔE00 6.16
Cerulean
#007BA7
ΔE00 6.79
Sea Blue
#047495
ΔE00 7.94
Stormy Blue
#507B9C
ΔE00 9.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B89A8 #A83A1B
analogous
#1BA880 #1B89A8 #1B43A8
triadic
#1B89A8 #A81B89 #89A81B
tetradic
#1B89A8 #801BA8 #A83A1B #43A81B
square
#1B89A8 #801BA8 #A83A1B #43A81B
split-complementary
#1B89A8 #A81B43 #A8801B
monochromatic
#0A333F #135E73 #1B89A8 #24B4DC #59C6E4
Accessibility & contrast
On white
4.05
#1B89A8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.19
#1B89A8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1B89A8
5.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B89A8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1B89A8 | 1.00 | 4.05 | 5.19 | 5.19 |
| #FFFFFF | 4.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7786AA
Deuteranopia (green-blind)
#6579A8
Tritanopia (blue-blind)
#009393
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #1b89a8; /* rgb */ color: rgb(27, 137, 168); /* oklch */ color: oklch(58.6% 0.102 222.6);
Tailwind
colors: {
custom: {
50: '#72abc2',
500: '#1b89a8',
950: '#000000',
},
}SCSS
$custom: #1b89a8; $custom-light: #72abc2; $custom-dark: #000000;
JSON
{
"hex": "#1b89a8",
"rgb": {
"r": 27,
"g": 137,
"b": 168
},
"hsl": {
"h": 193.191,
"s": 72.308,
"l": 38.235
},
"oklch": {
"l": 0.58638,
"c": 0.10238,
"h": 222.6
},
"luminance": 0.20951
}Semantic roles & 50–950 ramp
primary
#1B89A8
secondary
#C87057
accent
#6139EF
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#091012
muted
#7B7F81