#427AAF#427AAF
#427AAF is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.5% C 0.102 H 248.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).
Color values
| HEX | #427AAF |
|---|---|
| RGB | rgb(66, 122, 175) |
| HSL | hsl(209, 45%, 47%) |
| HSV | hsv(209, 62%, 69%) |
| CMYK | cmyk(62.3%, 30.3%, 0%, 31.4%) |
| CIE-LAB | lab(49.70, -1.81, -33.64) |
| CIE-LCH | lch(49.70, 33.69, 266.91°) |
| OKLab | oklab(56.5% -0.0367 -0.0949) |
| OKLCH | oklch(56.5% 0.102 248.9) |
| XYZ | xyz(16.9413, 18.1709, 43.1637) |
| Luminance | 0.1817 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.06
Bluish
#2976BB
ΔE00 2.50
Flat Blue
#3C73A8
ΔE00 2.68
Steel Blue
#4682B4
ΔE00 3.08
Dull Blue
#49759C
ΔE00 3.18
Cool Blue
#4984B8
ΔE00 3.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#427AAF #AF7742
analogous
#42AFAD #427AAF #4244AF
triadic
#427AAF #AF427A #7AAF42
tetradic
#427AAF #AD42AF #AF7742 #44AF42
square
#427AAF #AD42AF #AF7742 #44AF42
split-complementary
#427AAF #AF4244 #AFAD42
monochromatic
#203C56 #315B83 #427AAF #6898C6 #95B7D7
Accessibility & contrast
On white
4.53
#427AAF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.63
#427AAF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #427AAF
4.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##427AAF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##427AAF | 1.00 | 4.53 | 4.63 | 4.63 |
| #FFFFFF | 4.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#637CB1
Deuteranopia (green-blind)
#5571AE
Tritanopia (blue-blind)
#00868D
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #427aaf; /* rgb */ color: rgb(66, 122, 175); /* oklch */ color: oklch(56.5% 0.102 248.9);
Tailwind
colors: {
custom: {
50: '#80a0c7',
500: '#427aaf',
950: '#000000',
},
}SCSS
$custom: #427aaf; $custom-light: #80a0c7; $custom-dark: #000000;
JSON
{
"hex": "#427aaf",
"rgb": {
"r": 66,
"g": 122,
"b": 175
},
"hsl": {
"h": 209.174,
"s": 45.228,
"l": 47.255
},
"oklch": {
"l": 0.56502,
"c": 0.10172,
"h": 248.9
},
"luminance": 0.18172
}Semantic roles & 50–950 ramp
primary
#427AAF
secondary
#C2A68A
accent
#9253D5
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82