#427EAE#427EAE
#427EAE is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.4% C 0.097 H 244.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).
Color values
| HEX | #427EAE |
|---|---|
| RGB | rgb(66, 126, 174) |
| HSL | hsl(207, 45%, 47%) |
| HSV | hsv(207, 62%, 68%) |
| CMYK | cmyk(62.1%, 27.6%, 0%, 31.8%) |
| CIE-LAB | lab(50.84, -4.52, -31.28) |
| CIE-LCH | lch(50.84, 31.60, 261.78°) |
| OKLab | oklab(57.39% -0.0414 -0.088) |
| OKLCH | oklch(57.39% 0.097 244.8) |
| XYZ | xyz(17.3448, 19.1343, 42.8154) |
| Luminance | 0.1914 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 1.64
Cool Blue
#4984B8
ΔE00 2.59
Off Blue
#5684AE
ΔE00 3.31
Stormy Blue
#507B9C
ΔE00 3.47
Windows Blue
#3778BF
ΔE00 3.63
Bluish
#2976BB
ΔE00 3.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#427EAE #AE7242
analogous
#42AEA8 #427EAE #4248AE
triadic
#427EAE #AE427E #7EAE42
tetradic
#427EAE #A842AE #AE7242 #48AE42
square
#427EAE #A842AE #AE7242 #48AE42
split-complementary
#427EAE #AE4248 #AEA842
monochromatic
#203E55 #315E82 #427EAE #689CC6 #94B9D6
Accessibility & contrast
On white
4.35
#427EAE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.83
#427EAE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #427EAE
4.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##427EAE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##427EAE | 1.00 | 4.35 | 4.83 | 4.83 |
| #FFFFFF | 4.35 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.83 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.83 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#697FB0
Deuteranopia (green-blind)
#5A74AD
Tritanopia (blue-blind)
#008A8F
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #427eae; /* rgb */ color: rgb(66, 126, 174); /* oklch */ color: oklch(57.4% 0.097 244.8);
Tailwind
colors: {
custom: {
50: '#80a3c6',
500: '#427eae',
950: '#000000',
},
}SCSS
$custom: #427eae; $custom-light: #80a3c6; $custom-dark: #000000;
JSON
{
"hex": "#427eae",
"rgb": {
"r": 66,
"g": 126,
"b": 174
},
"hsl": {
"h": 206.667,
"s": 45,
"l": 47.059
},
"oklch": {
"l": 0.57386,
"c": 0.09723,
"h": 244.8
},
"luminance": 0.19136
}Semantic roles & 50–950 ramp
primary
#427EAE
secondary
#C2A38A
accent
#8D53D5
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0B0F13
muted
#7C7F82