#557DE6#557DE6
#557DE6 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.3% C 0.165 H 266.0°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).
Color values
| HEX | #557DE6 |
|---|---|
| RGB | rgb(85, 125, 230) |
| HSL | hsl(223, 74%, 62%) |
| HSV | hsv(223, 63%, 90%) |
| CMYK | cmyk(63%, 45.7%, 0%, 9.8%) |
| CIE-LAB | lab(54.35, 18.63, -57.51) |
| CIE-LCH | lch(54.35, 60.46, 287.95°) |
| OKLab | oklab(61.3% -0.0114 -0.1644) |
| OKLCH | oklch(61.3% 0.165 266) |
| XYZ | xyz(25.3579, 22.3094, 77.8174) |
| Luminance | 0.2231 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.86
Dodger Blue
#3E82FC
ΔE00 3.66
Soft Blue
#6488EA
ΔE00 3.75
Clear Blue
#247AFD
ΔE00 3.94
Cornflower Blue
#5170D7
ΔE00 4.89
Deep Sky Blue
#0D75F8
ΔE00 4.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#557DE6 #E6BE55
analogous
#55C6E6 #557DE6 #7655E6
triadic
#557DE6 #E6557D #7DE655
tetradic
#557DE6 #E655C6 #E6BE55 #55E676
square
#557DE6 #E655C6 #E6BE55 #55E676
split-complementary
#557DE6 #E67655 #C6E655
monochromatic
#1940A8 #2155DD #557DE6 #8AA6EE #C0CFF6
Accessibility & contrast
On white
3.84
#557DE6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.46
#557DE6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #557DE6
5.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##557DE6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##557DE6 | 1.00 | 3.84 | 5.46 | 5.46 |
| #FFFFFF | 3.84 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.46 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.46 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A89EA
Deuteranopia (green-blind)
#307CE4
Tritanopia (blue-blind)
#0095A6
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #557de6; /* rgb */ color: rgb(85, 125, 230); /* oklch */ color: oklch(61.3% 0.165 266.0);
Tailwind
colors: {
custom: {
50: '#92a2ee',
500: '#557de6',
950: '#000000',
},
}SCSS
$custom: #557de6; $custom-light: #92a2ee; $custom-dark: #000000;
JSON
{
"hex": "#557de6",
"rgb": {
"r": 85,
"g": 125,
"b": 230
},
"hsl": {
"h": 223.448,
"s": 74.359,
"l": 61.765
},
"oklch": {
"l": 0.61303,
"c": 0.16479,
"h": 266
},
"luminance": 0.22312
}Semantic roles & 50–950 ramp
primary
#557DE6
secondary
#E6D7B1
accent
#9F0FD6
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0F16
muted
#7E7E84