#557DE7#557DE7
#557DE7 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.4% C 0.166 H 266.1°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).
Color values
| HEX | #557DE7 |
|---|---|
| RGB | rgb(85, 125, 231) |
| HSL | hsl(224, 75%, 62%) |
| HSV | hsv(224, 63%, 91%) |
| CMYK | cmyk(63.2%, 45.9%, 0%, 9.4%) |
| CIE-LAB | lab(54.41, 18.97, -57.98) |
| CIE-LCH | lch(54.41, 61.00, 288.12°) |
| OKLab | oklab(61.37% -0.0113 -0.1657) |
| OKLCH | oklch(61.37% 0.166 266.1) |
| XYZ | xyz(25.4988, 22.3657, 78.5591) |
| Luminance | 0.2237 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.79
Dodger Blue
#3E82FC
ΔE00 3.62
Soft Blue
#6488EA
ΔE00 3.72
Clear Blue
#247AFD
ΔE00 3.92
Cornflower
#6A79F7
ΔE00 4.83
Deep Sky Blue
#0D75F8
ΔE00 4.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#557DE7 #E7BF55
analogous
#55C6E7 #557DE7 #7655E7
triadic
#557DE7 #E7557D #7DE755
tetradic
#557DE7 #E755C6 #E7BF55 #55E776
square
#557DE7 #E755C6 #E7BF55 #55E776
split-complementary
#557DE7 #E77655 #C6E755
monochromatic
#1840AA #2054DF #557DE7 #8BA6EF #C0CFF6
Accessibility & contrast
On white
3.84
#557DE7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.47
#557DE7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #557DE7
5.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##557DE7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##557DE7 | 1.00 | 3.84 | 5.47 | 5.47 |
| #FFFFFF | 3.84 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.47 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.47 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4989EB
Deuteranopia (green-blind)
#2E7CE5
Tritanopia (blue-blind)
#0095A7
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #557de7; /* rgb */ color: rgb(85, 125, 231); /* oklch */ color: oklch(61.4% 0.166 266.1);
Tailwind
colors: {
custom: {
50: '#92a2ef',
500: '#557de7',
950: '#000000',
},
}SCSS
$custom: #557de7; $custom-light: #92a2ef; $custom-dark: #000000;
JSON
{
"hex": "#557de7",
"rgb": {
"r": 85,
"g": 125,
"b": 231
},
"hsl": {
"h": 223.562,
"s": 75.258,
"l": 61.961
},
"oklch": {
"l": 0.61367,
"c": 0.16613,
"h": 266.1
},
"luminance": 0.22368
}Semantic roles & 50–950 ramp
primary
#557DE7
secondary
#E7D8B1
accent
#A00ED7
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0F16
muted
#7E7E84