#427EBD#427EBD
#427EBD is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.2% C 0.116 H 251.5°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).
Color values
| HEX | #427EBD |
|---|---|
| RGB | rgb(66, 126, 189) |
| HSL | hsl(211, 48%, 50%) |
| HSV | hsv(211, 65%, 74%) |
| CMYK | cmyk(65.1%, 33.3%, 0%, 25.9%) |
| CIE-LAB | lab(51.56, 0.60, -38.80) |
| CIE-LCH | lch(51.56, 38.80, 270.88°) |
| OKLab | oklab(58.18% -0.0368 -0.1098) |
| OKLCH | oklch(58.18% 0.116 251.5) |
| XYZ | xyz(18.8896, 19.7522, 50.9513) |
| Luminance | 0.1975 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.25
Steel Blue
#4682B4
ΔE00 2.43
Cool Blue
#4984B8
ΔE00 2.55
Bluish
#2976BB
ΔE00 3.50
Off Blue
#5684AE
ΔE00 3.62
Dusty Blue
#5A86AD
ΔE00 4.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#427EBD #BD8142
analogous
#42BBBD #427EBD #4442BD
triadic
#427EBD #BD427E #7EBD42
tetradic
#427EBD #BD42BB #BD8142 #42BD44
square
#427EBD #BD42BB #BD8142 #42BD44
split-complementary
#427EBD #BD4442 #BBBD42
monochromatic
#224262 #326090 #427EBD #6F9DCD #9DBCDD
Accessibility & contrast
On white
4.24
#427EBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.95
#427EBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #427EBD
4.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##427EBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##427EBD | 1.00 | 4.24 | 4.95 | 4.95 |
| #FFFFFF | 4.24 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.95 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.95 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6381C0
Deuteranopia (green-blind)
#5276BC
Tritanopia (blue-blind)
#008D95
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #427ebd; /* rgb */ color: rgb(66, 126, 189); /* oklch */ color: oklch(58.2% 0.116 251.5);
Tailwind
colors: {
custom: {
50: '#82a3d1',
500: '#427ebd',
950: '#000000',
},
}SCSS
$custom: #427ebd; $custom-light: #82a3d1; $custom-dark: #000000;
JSON
{
"hex": "#427ebd",
"rgb": {
"r": 66,
"g": 126,
"b": 189
},
"hsl": {
"h": 210.732,
"s": 48.235,
"l": 50
},
"oklch": {
"l": 0.5818,
"c": 0.11586,
"h": 251.5
},
"luminance": 0.19754
}Semantic roles & 50–950 ramp
primary
#427EBD
secondary
#C9AE92
accent
#9650D8
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0F14
muted
#7D7E82