#427BAF#427BAF
#427BAF is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.101 H 248.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #427BAF |
|---|---|
| RGB | rgb(66, 123, 175) |
| HSL | hsl(209, 45%, 47%) |
| HSV | hsv(209, 62%, 69%) |
| CMYK | cmyk(62.3%, 29.7%, 0%, 31.4%) |
| CIE-LAB | lab(50.00, -2.41, -33.18) |
| CIE-LCH | lch(50.00, 33.26, 265.85°) |
| OKLab | oklab(56.74% -0.0378 -0.0935) |
| OKLCH | oklch(56.74% 0.101 248) |
| XYZ | xyz(17.0647, 18.4177, 43.2048) |
| Luminance | 0.1842 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.33
Steel Blue
#4682B4
ΔE00 2.67
Bluish
#2976BB
ΔE00 2.71
Flat Blue
#3C73A8
ΔE00 3.05
Dull Blue
#49759C
ΔE00 3.35
Cool Blue
#4984B8
ΔE00 3.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#427BAF #AF7642
analogous
#42AFAD #427BAF #4245AF
triadic
#427BAF #AF427B #7BAF42
tetradic
#427BAF #AD42AF #AF7642 #45AF42
square
#427BAF #AD42AF #AF7642 #45AF42
split-complementary
#427BAF #AF4245 #AFAD42
monochromatic
#203D56 #315C83 #427BAF #6899C6 #95B7D7
Accessibility & contrast
On white
4.48
#427BAF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.68
#427BAF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #427BAF
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##427BAF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##427BAF | 1.00 | 4.48 | 4.68 | 4.68 |
| #FFFFFF | 4.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#657DB1
Deuteranopia (green-blind)
#5672AE
Tritanopia (blue-blind)
#00878D
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #427baf; /* rgb */ color: rgb(66, 123, 175); /* oklch */ color: oklch(56.7% 0.101 248.0);
Tailwind
colors: {
custom: {
50: '#80a1c7',
500: '#427baf',
950: '#000000',
},
}SCSS
$custom: #427baf; $custom-light: #80a1c7; $custom-dark: #000000;
JSON
{
"hex": "#427baf",
"rgb": {
"r": 66,
"g": 123,
"b": 175
},
"hsl": {
"h": 208.624,
"s": 45.228,
"l": 47.255
},
"oklch": {
"l": 0.56735,
"c": 0.10086,
"h": 248
},
"luminance": 0.18419
}Semantic roles & 50–950 ramp
primary
#427BAF
secondary
#C2A58A
accent
#9153D5
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82