#317BC0#317BC0
#317BC0 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.0% C 0.129 H 249.9°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).
Color values
| HEX | #317BC0 |
|---|---|
| RGB | rgb(49, 123, 192) |
| HSL | hsl(209, 59%, 47%) |
| HSV | hsv(209, 74%, 75%) |
| CMYK | cmyk(74.5%, 35.9%, 0%, 24.7%) |
| CIE-LAB | lab(50.24, 0.86, -42.63) |
| CIE-LCH | lch(50.24, 42.64, 271.15°) |
| OKLab | oklab(57.04% -0.0444 -0.1213) |
| OKLCH | oklch(57.04% 0.129 249.9) |
| XYZ | xyz(17.8604, 18.6226, 52.5122) |
| Luminance | 0.1862 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.60
Bluish
#2976BB
ΔE00 1.96
Steel Blue
#4682B4
ΔE00 3.31
Cool Blue
#4984B8
ΔE00 3.75
Flat Blue
#3C73A8
ΔE00 3.88
Cerulean (survey)
#0485D1
ΔE00 4.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#317BC0 #C07631
analogous
#31C0BE #317BC0 #3134C0
triadic
#317BC0 #C0317B #7BC031
tetradic
#317BC0 #BE31C0 #C07631 #34C031
square
#317BC0 #BE31C0 #C07631 #34C031
split-complementary
#317BC0 #C03134 #C0BE31
monochromatic
#183D5E #255C8F #317BC0 #5999D5 #8AB7E1
Accessibility & contrast
On white
4.44
#317BC0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.72
#317BC0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #317BC0
4.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##317BC0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##317BC0 | 1.00 | 4.44 | 4.72 | 4.72 |
| #FFFFFF | 4.44 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.72 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.72 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B7FC3
Deuteranopia (green-blind)
#4672BF
Tritanopia (blue-blind)
#008B94
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #317bc0; /* rgb */ color: rgb(49, 123, 192); /* oklch */ color: oklch(57.0% 0.129 249.9);
Tailwind
colors: {
custom: {
50: '#7ca0d3',
500: '#317bc0',
950: '#000000',
},
}SCSS
$custom: #317bc0; $custom-light: #7ca0d3; $custom-dark: #000000;
JSON
{
"hex": "#317bc0",
"rgb": {
"r": 49,
"g": 123,
"b": 192
},
"hsl": {
"h": 208.951,
"s": 59.336,
"l": 47.255
},
"oklch": {
"l": 0.57036,
"c": 0.12917,
"h": 249.9
},
"luminance": 0.18625
}Semantic roles & 50–950 ramp
primary
#317BC0
secondary
#CBA582
accent
#9145E3
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83