#317FC9#317FC9
#317FC9 is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.5% C 0.137 H 250.4°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #317FC9 |
|---|---|
| RGB | rgb(49, 127, 201) |
| HSL | hsl(209, 61%, 49%) |
| HSV | hsv(209, 76%, 79%) |
| CMYK | cmyk(75.6%, 36.8%, 0%, 21.2%) |
| CIE-LAB | lab(51.89, 1.74, -45.16) |
| CIE-LCH | lch(51.89, 45.20, 272.20°) |
| OKLab | oklab(58.48% -0.0457 -0.1286) |
| OKLCH | oklch(58.48% 0.137 250.4) |
| XYZ | xyz(19.3946, 20.0465, 58.0942) |
| Luminance | 0.2005 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.90
Steel Blue
#4682B4
ΔE00 2.92
Cool Blue
#4984B8
ΔE00 2.93
Cerulean (survey)
#0485D1
ΔE00 3.43
Bluish
#2976BB
ΔE00 3.64
Water Blue
#0E87CC
ΔE00 4.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#317FC9 #C97B31
analogous
#31C9C7 #317FC9 #3133C9
triadic
#317FC9 #C9317F #7FC931
tetradic
#317FC9 #C731C9 #C97B31 #33C931
square
#317FC9 #C731C9 #C97B31 #33C931
split-complementary
#317FC9 #C93133 #C9C731
monochromatic
#194167 #256098 #317FC9 #5F9DD8 #90BBE4
Accessibility & contrast
On white
4.19
#317FC9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.01
#317FC9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #317FC9
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##317FC9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##317FC9 | 1.00 | 4.19 | 5.01 | 5.01 |
| #FFFFFF | 4.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.01 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.01 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D83CC
Deuteranopia (green-blind)
#4675C8
Tritanopia (blue-blind)
#00919A
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #317fc9; /* rgb */ color: rgb(49, 127, 201); /* oklch */ color: oklch(58.5% 0.137 250.4);
Tailwind
colors: {
custom: {
50: '#7ea3da',
500: '#317fc9',
950: '#000000',
},
}SCSS
$custom: #317fc9; $custom-light: #7ea3da; $custom-dark: #000000;
JSON
{
"hex": "#317fc9",
"rgb": {
"r": 49,
"g": 127,
"b": 201
},
"hsl": {
"h": 209.211,
"s": 60.8,
"l": 49.02
},
"oklch": {
"l": 0.58482,
"c": 0.13653,
"h": 250.4
},
"luminance": 0.20049
}Semantic roles & 50–950 ramp
primary
#317FC9
secondary
#CFAA87
accent
#9244E4
background
#F8FAFD
surface
#EFF3FA
border
#CACDD3
text
#0B0F15
muted
#7C7F83