#317FBE#317FBE
#317FBE is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 57.9% C 0.123 H 246.6°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #317FBE |
|---|---|
| RGB | rgb(49, 127, 190) |
| HSL | hsl(207, 59%, 47%) |
| HSV | hsv(207, 74%, 75%) |
| CMYK | cmyk(74.2%, 33.2%, 0%, 25.5%) |
| CIE-LAB | lab(51.32, -2.27, -39.78) |
| CIE-LCH | lch(51.32, 39.84, 266.74°) |
| OKLab | oklab(57.85% -0.0487 -0.1129) |
| OKLCH | oklch(57.85% 0.123 246.6) |
| XYZ | xyz(18.1467, 19.5473, 51.5218) |
| Luminance | 0.1955 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.23
Cool Blue
#4984B8
ΔE00 2.70
Cerulean (survey)
#0485D1
ΔE00 3.01
Windows Blue
#3778BF
ΔE00 3.36
Bluish
#2976BB
ΔE00 3.42
Water Blue
#0E87CC
ΔE00 3.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#317FBE #BE7031
analogous
#31BEB7 #317FBE #3138BE
triadic
#317FBE #BE317F #7FBE31
tetradic
#317FBE #B731BE #BE7031 #38BE31
square
#317FBE #B731BE #BE7031 #38BE31
split-complementary
#317FBE #BE3138 #BEB731
monochromatic
#183E5D #245E8D #317FBE #589DD4 #89B9E1
Accessibility & contrast
On white
4.28
#317FBE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.91
#317FBE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #317FBE
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##317FBE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##317FBE | 1.00 | 4.28 | 4.91 | 4.91 |
| #FFFFFF | 4.28 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.91 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.91 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6282C1
Deuteranopia (green-blind)
#4E74BD
Tritanopia (blue-blind)
#008E96
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #317fbe; /* rgb */ color: rgb(49, 127, 190); /* oklch */ color: oklch(57.9% 0.123 246.6);
Tailwind
colors: {
custom: {
50: '#7ca3d2',
500: '#317fbe',
950: '#000000',
},
}SCSS
$custom: #317fbe; $custom-light: #7ca3d2; $custom-dark: #000000;
JSON
{
"hex": "#317fbe",
"rgb": {
"r": 49,
"g": 127,
"b": 190
},
"hsl": {
"h": 206.809,
"s": 58.996,
"l": 46.863
},
"oklch": {
"l": 0.5785,
"c": 0.12297,
"h": 246.6
},
"luminance": 0.19549
}Semantic roles & 50–950 ramp
primary
#317FBE
secondary
#CAA180
accent
#8C46E2
background
#F8FAFC
surface
#EFF3F9
border
#CACDD2
text
#0B0F14
muted
#7C7F82