#319CB5#319CB5
#319CB5 is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.4% C 0.101 H 216.9°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).
Color values
| HEX | #319CB5 |
|---|---|
| RGB | rgb(49, 156, 181) |
| HSL | hsl(191, 57%, 45%) |
| HSV | hsv(191, 73%, 71%) |
| CMYK | cmyk(72.9%, 13.8%, 0%, 29%) |
| CIE-LAB | lab(59.67, -21.57, -21.67) |
| CIE-LCH | lch(59.67, 30.58, 225.13°) |
| OKLab | oklab(64.38% -0.0804 -0.0605) |
| OKLCH | oklch(64.38% 0.101 216.9) |
| XYZ | xyz(21.4921, 27.7636, 47.9333) |
| Luminance | 0.2777 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 7.15
Teal Blue
#01889F
ΔE00 7.24
Cadetblue
#5F9EA0
ΔE00 8.50
Greyblue
#77A1B5
ΔE00 8.66
Dirty Blue
#3F829D
ΔE00 9.39
Bluegrey
#85A3B2
ΔE00 11.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#319CB5 #B54A31
analogous
#31B58C #319CB5 #315AB5
triadic
#319CB5 #B5319C #9CB531
tetradic
#319CB5 #8C31B5 #B54A31 #5AB531
square
#319CB5 #8C31B5 #B54A31 #5AB531
split-complementary
#319CB5 #B5315A #B58C31
monochromatic
#174955 #247285 #319CB5 #53B9D0 #83CCDD
Accessibility & contrast
On white
3.20
#319CB5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.55
#319CB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #319CB5
6.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##319CB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##319CB5 | 1.00 | 3.20 | 6.55 | 6.55 |
| #FFFFFF | 3.20 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.55 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.55 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8B97B6
Deuteranopia (green-blind)
#798AB5
Tritanopia (blue-blind)
#00A5A4
Achromatopsia (no color)
#909090
Design tokens & code
CSS
--color: #319cb5; /* rgb */ color: rgb(49, 156, 181); /* oklch */ color: oklch(64.4% 0.101 216.9);
Tailwind
colors: {
custom: {
50: '#7cb9cb',
500: '#319cb5',
950: '#000000',
},
}SCSS
$custom: #319cb5; $custom-light: #7cb9cb; $custom-dark: #000000;
JSON
{
"hex": "#319cb5",
"rgb": {
"r": 49,
"g": 156,
"b": 181
},
"hsl": {
"h": 191.364,
"s": 57.391,
"l": 45.098
},
"oklch": {
"l": 0.64375,
"c": 0.10062,
"h": 216.9
},
"luminance": 0.27766
}Semantic roles & 50–950 ramp
primary
#319CB5
secondary
#C7897B
accent
#6447E1
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082