#5191E5#5191E5
#5191E5 is a light, vivid cyan. Relative luminance 0.277; OKLCH L 65.3% C 0.142 H 256.0°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).
Color values
| HEX | #5191E5 |
|---|---|
| RGB | rgb(81, 145, 229) |
| HSL | hsl(214, 74%, 61%) |
| HSV | hsv(214, 65%, 90%) |
| CMYK | cmyk(64.6%, 36.7%, 0%, 10.2%) |
| CIE-LAB | lab(59.58, 5.57, -48.65) |
| CIE-LCH | lch(59.58, 48.96, 276.53°) |
| OKLab | oklab(65.27% -0.0345 -0.1382) |
| OKLCH | oklch(65.27% 0.142 256) |
| XYZ | xyz(27.6565, 27.6546, 77.9939) |
| Luminance | 0.2766 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.58
Dodgerblue
#1E90FF
ΔE00 3.01
Cornflowerblue
#6495ED
ΔE00 3.12
Faded Blue
#658CBB
ΔE00 5.11
Dodger Blue
#3E82FC
ΔE00 5.26
Soft Blue
#6488EA
ΔE00 5.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5191E5 #E5A551
analogous
#51DBE5 #5191E5 #5B51E5
triadic
#5191E5 #E55191 #91E551
tetradic
#5191E5 #E551DB #E5A551 #51E55B
square
#5191E5 #E551DB #E5A551 #51E55B
split-complementary
#5191E5 #E55B51 #DBE551
monochromatic
#1854A3 #2070D8 #5191E5 #86B3ED #BBD4F5
Accessibility & contrast
On white
3.22
#5191E5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.53
#5191E5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5191E5
6.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5191E5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5191E5 | 1.00 | 3.22 | 6.53 | 6.53 |
| #FFFFFF | 3.22 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.53 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.53 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C97E8
Deuteranopia (green-blind)
#5789E3
Tritanopia (blue-blind)
#00A4B0
Achromatopsia (no color)
#8F8F8F
Design tokens & code
CSS
--color: #5191e5; /* rgb */ color: rgb(81, 145, 229); /* oklch */ color: oklch(65.3% 0.142 256.0);
Tailwind
colors: {
custom: {
50: '#90b0ed',
500: '#5191e5',
950: '#000000',
},
}SCSS
$custom: #5191e5; $custom-light: #90b0ed; $custom-dark: #000000;
JSON
{
"hex": "#5191e5",
"rgb": {
"r": 81,
"g": 145,
"b": 229
},
"hsl": {
"h": 214.054,
"s": 74,
"l": 60.784
},
"oklch": {
"l": 0.65271,
"c": 0.14243,
"h": 256
},
"luminance": 0.27657
}Semantic roles & 50–950 ramp
primary
#5191E5
secondary
#E5CDAD
accent
#800FD6
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84