#427EBF#427EBF
#427EBF is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.3% C 0.118 H 252.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).
Color values
| HEX | #427EBF |
|---|---|
| RGB | rgb(66, 126, 191) |
| HSL | hsl(211, 49%, 50%) |
| HSV | hsv(211, 65%, 75%) |
| CMYK | cmyk(65.4%, 34%, 0%, 25.1%) |
| CIE-LAB | lab(51.66, 1.29, -39.79) |
| CIE-LCH | lch(51.66, 39.81, 271.86°) |
| OKLab | oklab(58.29% -0.0363 -0.1127) |
| OKLCH | oklch(58.29% 0.118 252.2) |
| XYZ | xyz(19.1081, 19.8396, 52.1025) |
| Luminance | 0.1984 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.25
Steel Blue
#4682B4
ΔE00 2.64
Cool Blue
#4984B8
ΔE00 2.68
Bluish
#2976BB
ΔE00 3.61
Off Blue
#5684AE
ΔE00 3.72
Dusty Blue
#5A86AD
ΔE00 4.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#427EBF #BF8342
analogous
#42BCBF #427EBF #4442BF
triadic
#427EBF #BF427E #7EBF42
tetradic
#427EBF #BF42BC #BF8342 #42BF44
square
#427EBF #BF42BC #BF8342 #42BF44
split-complementary
#427EBF #BF4442 #BCBF42
monochromatic
#224265 #326092 #427EBF #709DCE #9DBCDE
Accessibility & contrast
On white
4.23
#427EBF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.97
#427EBF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #427EBF
4.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##427EBF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##427EBF | 1.00 | 4.23 | 4.97 | 4.97 |
| #FFFFFF | 4.23 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.97 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.97 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6282C2
Deuteranopia (green-blind)
#5076BE
Tritanopia (blue-blind)
#008D96
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #427ebf; /* rgb */ color: rgb(66, 126, 191); /* oklch */ color: oklch(58.3% 0.118 252.2);
Tailwind
colors: {
custom: {
50: '#83a3d2',
500: '#427ebf',
950: '#000000',
},
}SCSS
$custom: #427ebf; $custom-light: #83a3d2; $custom-dark: #000000;
JSON
{
"hex": "#427ebf",
"rgb": {
"r": 66,
"g": 126,
"b": 191
},
"hsl": {
"h": 211.2,
"s": 49.407,
"l": 50.392
},
"oklch": {
"l": 0.58291,
"c": 0.11843,
"h": 252.2
},
"luminance": 0.19842
}Semantic roles & 50–950 ramp
primary
#427EBF
secondary
#CAB093
accent
#974FD9
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0F14
muted
#7D7E82