#1D8AA8#1D8AA8
#1D8AA8 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 58.9% C 0.102 H 221.9°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).
Color values
| HEX | #1D8AA8 |
|---|---|
| RGB | rgb(29, 138, 168) |
| HSL | hsl(193, 71%, 39%) |
| HSV | hsv(193, 83%, 66%) |
| CMYK | cmyk(82.7%, 17.9%, 0%, 34.1%) |
| CIE-LAB | lab(53.24, -18.61, -24.18) |
| CIE-LCH | lch(53.24, 30.51, 232.42°) |
| OKLab | oklab(58.92% -0.0757 -0.0678) |
| OKLCH | oklch(58.92% 0.102 221.9) |
| XYZ | xyz(16.6601, 21.2632, 40.2643) |
| Luminance | 0.2127 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 3.21
Dirty Blue
#3F829D
ΔE00 3.91
Ocean
#017B92
ΔE00 6.34
Cerulean
#007BA7
ΔE00 7.29
Sea Blue
#047495
ΔE00 8.37
Stormy Blue
#507B9C
ΔE00 9.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D8AA8 #A83B1D
analogous
#1DA880 #1D8AA8 #1D44A8
triadic
#1D8AA8 #A81D8A #8AA81D
tetradic
#1D8AA8 #801DA8 #A83B1D #44A81D
square
#1D8AA8 #801DA8 #A83B1D #44A81D
split-complementary
#1D8AA8 #A81D44 #A8801D
monochromatic
#0B3440 #145F74 #1D8AA8 #28B4DA #5CC6E3
Accessibility & contrast
On white
4.00
#1D8AA8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.25
#1D8AA8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1D8AA8
5.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D8AA8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1D8AA8 | 1.00 | 4.00 | 5.25 | 5.25 |
| #FFFFFF | 4.00 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.25 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.25 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7886AA
Deuteranopia (green-blind)
#667AA8
Tritanopia (blue-blind)
#009394
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #1d8aa8; /* rgb */ color: rgb(29, 138, 168); /* oklch */ color: oklch(58.9% 0.102 221.9);
Tailwind
colors: {
custom: {
50: '#73acc2',
500: '#1d8aa8',
950: '#000000',
},
}SCSS
$custom: #1d8aa8; $custom-light: #73acc2; $custom-dark: #000000;
JSON
{
"hex": "#1d8aa8",
"rgb": {
"r": 29,
"g": 138,
"b": 168
},
"hsl": {
"h": 192.95,
"s": 70.558,
"l": 38.627
},
"oklch": {
"l": 0.58922,
"c": 0.10159,
"h": 221.9
},
"luminance": 0.21265
}Semantic roles & 50–950 ramp
primary
#1D8AA8
secondary
#C7715A
accent
#613AED
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#091012
muted
#7B7F81