#317EB9#317EB9
#317EB9 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.3% C 0.118 H 245.3°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).
Color values
| HEX | #317EB9 |
|---|---|
| RGB | rgb(49, 126, 185) |
| HSL | hsl(206, 58%, 46%) |
| HSV | hsv(206, 74%, 73%) |
| CMYK | cmyk(73.5%, 31.9%, 0%, 27.5%) |
| CIE-LAB | lab(50.78, -3.48, -37.77) |
| CIE-LCH | lch(50.78, 37.93, 264.74°) |
| OKLab | oklab(57.34% -0.0493 -0.107) |
| OKLCH | oklch(57.34% 0.118 245.3) |
| XYZ | xyz(17.4811, 19.0755, 48.6502) |
| Luminance | 0.1908 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.34
Cool Blue
#4984B8
ΔE00 3.04
Bluish
#2976BB
ΔE00 3.24
Cerulean (survey)
#0485D1
ΔE00 3.46
Nice Blue
#107AB0
ΔE00 3.46
Windows Blue
#3778BF
ΔE00 3.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#317EB9 #B96C31
analogous
#31B9B0 #317EB9 #313AB9
triadic
#317EB9 #B9317E #7EB931
tetradic
#317EB9 #B031B9 #B96C31 #3AB931
square
#317EB9 #B031B9 #B96C31 #3AB931
split-complementary
#317EB9 #B9313A #B9B031
monochromatic
#173C58 #245D89 #317EB9 #559CD2 #86B8DF
Accessibility & contrast
On white
4.36
#317EB9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.82
#317EB9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #317EB9
4.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##317EB9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##317EB9 | 1.00 | 4.36 | 4.82 | 4.82 |
| #FFFFFF | 4.36 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.82 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.82 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6380BC
Deuteranopia (green-blind)
#5073B8
Tritanopia (blue-blind)
#008C93
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #317eb9; /* rgb */ color: rgb(49, 126, 185); /* oklch */ color: oklch(57.3% 0.118 245.3);
Tailwind
colors: {
custom: {
50: '#7ba3ce',
500: '#317eb9',
950: '#000000',
},
}SCSS
$custom: #317eb9; $custom-light: #7ba3ce; $custom-dark: #000000;
JSON
{
"hex": "#317eb9",
"rgb": {
"r": 49,
"g": 126,
"b": 185
},
"hsl": {
"h": 206.029,
"s": 58.12,
"l": 45.882
},
"oklch": {
"l": 0.57338,
"c": 0.11784,
"h": 245.3
},
"luminance": 0.19077
}Semantic roles & 50–950 ramp
primary
#317EB9
secondary
#C89E7D
accent
#8A46E1
background
#F8FAFC
surface
#EFF3F9
border
#CACDD2
text
#0B0F13
muted
#7C7F82