#1797B4#1797B4
#1797B4 is a light, moderate cyan. Relative luminance 0.256; OKLCH L 62.6% C 0.109 H 218.6°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).
Color values
| HEX | #1797B4 |
|---|---|
| RGB | rgb(23, 151, 180) |
| HSL | hsl(191, 77%, 40%) |
| HSV | hsv(191, 87%, 71%) |
| CMYK | cmyk(87.2%, 16.1%, 0%, 29.4%) |
| CIE-LAB | lab(57.66, -21.84, -24.23) |
| CIE-LCH | lch(57.66, 32.62, 227.97°) |
| OKLab | oklab(62.62% -0.0849 -0.0679) |
| OKLCH | oklch(62.62% 0.109 218.6) |
| XYZ | xyz(19.6546, 25.6081, 47.0781) |
| Luminance | 0.2561 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 5.68
Dirty Blue
#3F829D
ΔE00 7.90
Turquoise Blue
#06B1C4
ΔE00 8.91
Greyblue
#77A1B5
ΔE00 9.81
Cadetblue
#5F9EA0
ΔE00 10.10
Ocean
#017B92
ΔE00 10.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1797B4 #B43417
analogous
#17B483 #1797B4 #1748B4
triadic
#1797B4 #B41797 #97B417
tetradic
#1797B4 #8317B4 #B43417 #48B417
square
#1797B4 #8317B4 #B43417 #48B417
split-complementary
#1797B4 #B41748 #B48317
monochromatic
#093C47 #10697E #1797B4 #25C0E3 #5BD0EA
Accessibility & contrast
On white
3.43
#1797B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.12
#1797B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1797B4
6.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1797B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1797B4 | 1.00 | 3.43 | 6.12 | 6.12 |
| #FFFFFF | 3.43 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.12 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.12 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8592B6
Deuteranopia (green-blind)
#7184B4
Tritanopia (blue-blind)
#00A1A0
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #1797b4; /* rgb */ color: rgb(23, 151, 180); /* oklch */ color: oklch(62.6% 0.109 218.6);
Tailwind
colors: {
custom: {
50: '#75b5ca',
500: '#1797b4',
950: '#000000',
},
}SCSS
$custom: #1797b4; $custom-light: #75b5ca; $custom-dark: #000000;
JSON
{
"hex": "#1797b4",
"rgb": {
"r": 23,
"g": 151,
"b": 180
},
"hsl": {
"h": 191.083,
"s": 77.34,
"l": 39.804
},
"oklch": {
"l": 0.62617,
"c": 0.10867,
"h": 218.6
},
"luminance": 0.25611
}Semantic roles & 50–950 ramp
primary
#1797B4
secondary
#CE6F59
accent
#5734F4
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082