#557AF8#557AF8
#557AF8 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.9% C 0.192 H 268.0°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).
Color values
| HEX | #557AF8 |
|---|---|
| RGB | rgb(85, 122, 248) |
| HSL | hsl(226, 92%, 65%) |
| HSV | hsv(226, 66%, 97%) |
| CMYK | cmyk(65.7%, 50.8%, 0%, 2.7%) |
| CIE-LAB | lab(54.68, 26.60, -67.00) |
| CIE-LCH | lch(54.68, 72.09, 291.65°) |
| OKLab | oklab(61.91% -0.0065 -0.1923) |
| OKLCH | oklch(61.91% 0.192 268) |
| XYZ | xyz(27.6433, 22.6251, 91.6990) |
| Luminance | 0.2263 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.50
Cornflower
#6A79F7
ΔE00 3.22
Clear Blue
#247AFD
ΔE00 4.32
Dodger Blue
#3E82FC
ΔE00 4.33
Soft Blue
#6488EA
ΔE00 4.66
Deep Sky Blue
#0D75F8
ΔE00 5.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#557AF8 #F8D355
analogous
#55CCF8 #557AF8 #8155F8
triadic
#557AF8 #F8557A #7AF855
tetradic
#557AF8 #F855CC #F8D355 #55F881
square
#557AF8 #F855CC #F8D355 #55F881
split-complementary
#557AF8 #F88155 #CCF855
monochromatic
#0834CA #1A4CF6 #557AF8 #90A8FA #CBD6FD
Accessibility & contrast
On white
3.80
#557AF8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.53
#557AF8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #557AF8
5.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##557AF8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##557AF8 | 1.00 | 3.80 | 5.53 | 5.53 |
| #FFFFFF | 3.80 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.53 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.53 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D8BFC
Deuteranopia (green-blind)
#007CF5
Tritanopia (blue-blind)
#0098AD
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #557af8; /* rgb */ color: rgb(85, 122, 248); /* oklch */ color: oklch(61.9% 0.192 268.0);
Tailwind
colors: {
custom: {
50: '#95a0fb',
500: '#557af8',
950: '#000000',
},
}SCSS
$custom: #557af8; $custom-light: #95a0fb; $custom-dark: #000000;
JSON
{
"hex": "#557af8",
"rgb": {
"r": 85,
"g": 122,
"b": 248
},
"hsl": {
"h": 226.38,
"s": 92.09,
"l": 65.294
},
"oklch": {
"l": 0.61911,
"c": 0.19245,
"h": 268
},
"luminance": 0.22628
}Semantic roles & 50–950 ramp
primary
#557AF8
secondary
#F0E3B9
accent
#B100E6
background
#F9F9FF
surface
#F2F2FF
border
#CCCCD7
text
#0F0E17
muted
#7E7E85