#1F97B4#1F97B4
#1F97B4 is a light, moderate cyan. Relative luminance 0.257; OKLCH L 62.7% C 0.107 H 219.2°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).
Color values
| HEX | #1F97B4 |
|---|---|
| RGB | rgb(31, 151, 180) |
| HSL | hsl(192, 71%, 41%) |
| HSV | hsv(192, 83%, 71%) |
| CMYK | cmyk(82.8%, 16.1%, 0%, 29.4%) |
| CIE-LAB | lab(57.77, -21.23, -24.06) |
| CIE-LCH | lch(57.77, 32.09, 228.57°) |
| OKLab | oklab(62.73% -0.0827 -0.0674) |
| OKLCH | oklch(62.73% 0.107 219.2) |
| XYZ | xyz(19.8664, 25.7173, 47.0880) |
| Luminance | 0.2572 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 5.80
Dirty Blue
#3F829D
ΔE00 7.79
Turquoise Blue
#06B1C4
ΔE00 8.98
Greyblue
#77A1B5
ΔE00 9.54
Cadetblue
#5F9EA0
ΔE00 10.07
Ocean
#017B92
ΔE00 10.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F97B4 #B43C1F
analogous
#1FB487 #1F97B4 #1F4DB4
triadic
#1F97B4 #B41F97 #97B41F
tetradic
#1F97B4 #871FB4 #B43C1F #4DB41F
square
#1F97B4 #871FB4 #B43C1F #4DB41F
split-complementary
#1F97B4 #B41F4D #B4871F
monochromatic
#0D3F4C #166B80 #1F97B4 #34BBDC #68CDE5
Accessibility & contrast
On white
3.42
#1F97B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.14
#1F97B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1F97B4
6.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F97B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1F97B4 | 1.00 | 3.42 | 6.14 | 6.14 |
| #FFFFFF | 3.42 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.14 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.14 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8593B6
Deuteranopia (green-blind)
#7285B4
Tritanopia (blue-blind)
#00A1A0
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #1f97b4; /* rgb */ color: rgb(31, 151, 180); /* oklch */ color: oklch(62.7% 0.107 219.2);
Tailwind
colors: {
custom: {
50: '#76b5ca',
500: '#1f97b4',
950: '#000000',
},
}SCSS
$custom: #1f97b4; $custom-light: #76b5ca; $custom-dark: #000000;
JSON
{
"hex": "#1f97b4",
"rgb": {
"r": 31,
"g": 151,
"b": 180
},
"hsl": {
"h": 191.678,
"s": 70.616,
"l": 41.373
},
"oklch": {
"l": 0.62732,
"c": 0.10668,
"h": 219.2
},
"luminance": 0.2572
}Semantic roles & 50–950 ramp
primary
#1F97B4
secondary
#CB7864
accent
#5D3AED
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082