#427BC7#427BC7
#427BC7 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 58.1% C 0.132 H 256.3°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).
Color values
| HEX | #427BC7 |
|---|---|
| RGB | rgb(66, 123, 199) |
| HSL | hsl(214, 54%, 52%) |
| HSV | hsv(214, 67%, 78%) |
| CMYK | cmyk(66.8%, 38.2%, 0%, 22%) |
| CIE-LAB | lab(51.20, 5.90, -45.07) |
| CIE-LCH | lch(51.20, 45.46, 277.46°) |
| OKLab | oklab(58.07% -0.0312 -0.1282) |
| OKLCH | oklch(58.07% 0.132 256.3) |
| XYZ | xyz(19.6348, 19.4457, 56.7404) |
| Luminance | 0.1945 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.15
Bluish
#2976BB
ΔE00 3.95
Cool Blue
#4984B8
ΔE00 4.23
Steel Blue
#4682B4
ΔE00 4.25
Off Blue
#5684AE
ΔE00 4.75
Flat Blue
#3C73A8
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#427BC7 #C78E42
analogous
#42BDC7 #427BC7 #4C42C7
triadic
#427BC7 #C7427B #7BC742
tetradic
#427BC7 #C742BD #C78E42 #42C74C
square
#427BC7 #C742BD #C78E42 #42C74C
split-complementary
#427BC7 #C74C42 #BDC742
monochromatic
#21426E #2F5E9D #427BC7 #719CD5 #A0BDE3
Accessibility & contrast
On white
4.29
#427BC7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.89
#427BC7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #427BC7
4.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##427BC7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##427BC7 | 1.00 | 4.29 | 4.89 | 4.89 |
| #FFFFFF | 4.29 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.89 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.89 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5981CA
Deuteranopia (green-blind)
#4574C5
Tritanopia (blue-blind)
#008D97
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #427bc7; /* rgb */ color: rgb(66, 123, 199); /* oklch */ color: oklch(58.1% 0.132 256.3);
Tailwind
colors: {
custom: {
50: '#84a0d8',
500: '#427bc7',
950: '#000000',
},
}SCSS
$custom: #427bc7; $custom-light: #84a0d8; $custom-dark: #000000;
JSON
{
"hex": "#427bc7",
"rgb": {
"r": 66,
"g": 123,
"b": 199
},
"hsl": {
"h": 214.286,
"s": 54.286,
"l": 51.961
},
"oklch": {
"l": 0.58074,
"c": 0.13197,
"h": 256.3
},
"luminance": 0.19448
}Semantic roles & 50–950 ramp
primary
#427BC7
secondary
#D0B795
accent
#9E4ADE
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83