#427CBD#427CBD
#427CBD is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.118 H 252.8°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).
Color values
| HEX | #427CBD |
|---|---|
| RGB | rgb(66, 124, 189) |
| HSL | hsl(212, 48%, 50%) |
| HSV | hsv(212, 65%, 74%) |
| CMYK | cmyk(65.1%, 34.4%, 0%, 25.9%) |
| CIE-LAB | lab(50.97, 1.80, -39.72) |
| CIE-LCH | lch(50.97, 39.76, 272.59°) |
| OKLab | oklab(57.72% -0.0348 -0.1125) |
| OKLCH | oklch(57.72% 0.118 252.8) |
| XYZ | xyz(18.6364, 19.2458, 50.8669) |
| Luminance | 0.1925 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.63
Steel Blue
#4682B4
ΔE00 3.13
Bluish
#2976BB
ΔE00 3.15
Cool Blue
#4984B8
ΔE00 3.31
Off Blue
#5684AE
ΔE00 4.09
Flat Blue
#3C73A8
ΔE00 4.14
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#427CBD #BD8342
analogous
#42BABD #427CBD #4542BD
triadic
#427CBD #BD427C #7CBD42
tetradic
#427CBD #BD42BA #BD8342 #42BD45
square
#427CBD #BD42BA #BD8342 #42BD45
split-complementary
#427CBD #BD4542 #BABD42
monochromatic
#224062 #325E90 #427CBD #6F9BCD #9DBBDD
Accessibility & contrast
On white
4.33
#427CBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.85
#427CBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #427CBD
4.85:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##427CBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##427CBD | 1.00 | 4.33 | 4.85 | 4.85 |
| #FFFFFF | 4.33 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.85 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.85 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6080C0
Deuteranopia (green-blind)
#4F74BC
Tritanopia (blue-blind)
#008B94
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #427cbd; /* rgb */ color: rgb(66, 124, 189); /* oklch */ color: oklch(57.7% 0.118 252.8);
Tailwind
colors: {
custom: {
50: '#82a1d1',
500: '#427cbd',
950: '#000000',
},
}SCSS
$custom: #427cbd; $custom-light: #82a1d1; $custom-dark: #000000;
JSON
{
"hex": "#427cbd",
"rgb": {
"r": 66,
"g": 124,
"b": 189
},
"hsl": {
"h": 211.707,
"s": 48.235,
"l": 50
},
"oklch": {
"l": 0.57724,
"c": 0.11779,
"h": 252.8
},
"luminance": 0.19248
}Semantic roles & 50–950 ramp
primary
#427CBD
secondary
#C9AF92
accent
#9850D8
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82