#427AD6#427AD6
#427AD6 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.8% C 0.153 H 259.8°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #427AD6 |
|---|---|
| RGB | rgb(66, 122, 214) |
| HSL | hsl(217, 64%, 55%) |
| HSV | hsv(217, 69%, 84%) |
| CMYK | cmyk(69.2%, 43%, 0%, 16.1%) |
| CIE-LAB | lab(51.76, 11.83, -52.72) |
| CIE-LCH | lch(51.76, 54.03, 282.65°) |
| OKLab | oklab(58.77% -0.0271 -0.1507) |
| OKLCH | oklch(58.77% 0.153 259.8) |
| XYZ | xyz(21.3395, 19.9301, 66.3276) |
| Luminance | 0.1993 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Deep Sky Blue
#0D75F8
ΔE00 3.59
Windows Blue
#3778BF
ΔE00 3.74
Clear Blue
#247AFD
ΔE00 3.83
Lightish Blue
#3D7AFD
ΔE00 4.46
Azure
#007FFF
ΔE00 4.55
Cerulean Blue
#056EEE
ΔE00 4.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#427AD6 #D69E42
analogous
#42C4D6 #427AD6 #5442D6
triadic
#427AD6 #D6427A #7AD642
tetradic
#427AD6 #D642C4 #D69E42 #42D654
square
#427AD6 #D642C4 #D69E42 #42D654
split-complementary
#427AD6 #D65442 #C4D642
monochromatic
#1C4282 #275CB4 #427AD6 #749DE1 #A7C1EC
Accessibility & contrast
On white
4.21
#427AD6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#427AD6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #427AD6
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##427AD6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##427AD6 | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E83DA
Deuteranopia (green-blind)
#3475D4
Tritanopia (blue-blind)
#008F9D
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #427ad6; /* rgb */ color: rgb(66, 122, 214); /* oklch */ color: oklch(58.8% 0.153 259.8);
Tailwind
colors: {
custom: {
50: '#879fe3',
500: '#427ad6',
950: '#000000',
},
}SCSS
$custom: #427ad6; $custom-light: #879fe3; $custom-dark: #000000;
JSON
{
"hex": "#427ad6",
"rgb": {
"r": 66,
"g": 122,
"b": 214
},
"hsl": {
"h": 217.297,
"s": 64.348,
"l": 54.902
},
"oklch": {
"l": 0.58774,
"c": 0.15307,
"h": 259.8
},
"luminance": 0.19932
}Semantic roles & 50–950 ramp
primary
#427AD6
secondary
#D9C19B
accent
#A840E7
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0E15
muted
#7D7E83