#427BAC#427BAC
#427BAC is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.6% C 0.097 H 246.5°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).
Color values
| HEX | #427BAC |
|---|---|
| RGB | rgb(66, 123, 172) |
| HSL | hsl(208, 45%, 47%) |
| HSV | hsv(208, 62%, 67%) |
| CMYK | cmyk(61.6%, 28.5%, 0%, 32.5%) |
| CIE-LAB | lab(49.86, -3.42, -31.66) |
| CIE-LCH | lch(49.86, 31.84, 263.83°) |
| OKLab | oklab(56.58% -0.0387 -0.0891) |
| OKLCH | oklch(56.58% 0.097 246.5) |
| XYZ | xyz(16.7734, 18.3011, 41.6703) |
| Luminance | 0.1830 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.67
Windows Blue
#3778BF
ΔE00 2.83
Bluish
#2976BB
ΔE00 2.96
Flat Blue
#3C73A8
ΔE00 3.08
Dull Blue
#49759C
ΔE00 3.09
Stormy Blue
#507B9C
ΔE00 3.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#427BAC #AC7342
analogous
#42ACA8 #427BAC #4246AC
triadic
#427BAC #AC427B #7BAC42
tetradic
#427BAC #A842AC #AC7342 #46AC42
square
#427BAC #A842AC #AC7342 #46AC42
split-complementary
#427BAC #AC4246 #ACA842
monochromatic
#203C54 #315B80 #427BAC #6799C5 #93B7D6
Accessibility & contrast
On white
4.51
#427BAC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.66
#427BAC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #427BAC
4.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##427BAC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##427BAC | 1.00 | 4.51 | 4.66 | 4.66 |
| #FFFFFF | 4.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.66 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.66 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#667CAE
Deuteranopia (green-blind)
#5772AB
Tritanopia (blue-blind)
#00878C
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #427bac; /* rgb */ color: rgb(66, 123, 172); /* oklch */ color: oklch(56.6% 0.097 246.5);
Tailwind
colors: {
custom: {
50: '#80a1c5',
500: '#427bac',
950: '#000000',
},
}SCSS
$custom: #427bac; $custom-light: #80a1c5; $custom-dark: #000000;
JSON
{
"hex": "#427bac",
"rgb": {
"r": 66,
"g": 123,
"b": 172
},
"hsl": {
"h": 207.736,
"s": 44.538,
"l": 46.667
},
"oklch": {
"l": 0.5658,
"c": 0.09716,
"h": 246.5
},
"luminance": 0.18303
}Semantic roles & 50–950 ramp
primary
#427BAC
secondary
#C1A389
accent
#8F54D4
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82