#427CC7#427CC7
#427CC7 is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.3% C 0.131 H 255.8°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).
Color values
| HEX | #427CC7 |
|---|---|
| RGB | rgb(66, 124, 199) |
| HSL | hsl(214, 54%, 52%) |
| HSV | hsv(214, 67%, 78%) |
| CMYK | cmyk(66.8%, 37.7%, 0%, 22%) |
| CIE-LAB | lab(51.49, 5.29, -44.62) |
| CIE-LCH | lch(51.49, 44.93, 276.76°) |
| OKLab | oklab(58.3% -0.0322 -0.1269) |
| OKLCH | oklch(58.3% 0.131 255.8) |
| XYZ | xyz(19.7595, 19.6951, 56.7819) |
| Luminance | 0.1970 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.24
Cool Blue
#4984B8
ΔE00 3.90
Steel Blue
#4682B4
ΔE00 3.97
Bluish
#2976BB
ΔE00 4.00
Off Blue
#5684AE
ΔE00 4.53
Deep Sky Blue
#0D75F8
ΔE00 4.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#427CC7 #C78D42
analogous
#42BEC7 #427CC7 #4B42C7
triadic
#427CC7 #C7427C #7CC742
tetradic
#427CC7 #C742BE #C78D42 #42C74B
square
#427CC7 #C742BE #C78D42 #42C74B
split-complementary
#427CC7 #C74B42 #BEC742
monochromatic
#21426E #2F5F9D #427CC7 #719DD5 #A0BDE3
Accessibility & contrast
On white
4.25
#427CC7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.94
#427CC7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #427CC7
4.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##427CC7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##427CC7 | 1.00 | 4.25 | 4.94 | 4.94 |
| #FFFFFF | 4.25 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.94 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.94 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B82CA
Deuteranopia (green-blind)
#4775C5
Tritanopia (blue-blind)
#008D98
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #427cc7; /* rgb */ color: rgb(66, 124, 199); /* oklch */ color: oklch(58.3% 0.131 255.8);
Tailwind
colors: {
custom: {
50: '#84a1d8',
500: '#427cc7',
950: '#000000',
},
}SCSS
$custom: #427cc7; $custom-light: #84a1d8; $custom-dark: #000000;
JSON
{
"hex": "#427cc7",
"rgb": {
"r": 66,
"g": 124,
"b": 199
},
"hsl": {
"h": 213.835,
"s": 54.286,
"l": 51.961
},
"oklch": {
"l": 0.58297,
"c": 0.1309,
"h": 255.8
},
"luminance": 0.19697
}Semantic roles & 50–950 ramp
primary
#427CC7
secondary
#D0B695
accent
#9D4ADE
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83