#557DFA#557DFA
#557DFA is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.6% C 0.192 H 267.3°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).
Color values
| HEX | #557DFA |
|---|---|
| RGB | rgb(85, 125, 250) |
| HSL | hsl(225, 94%, 66%) |
| HSV | hsv(225, 66%, 98%) |
| CMYK | cmyk(66%, 50%, 0%, 2%) |
| CIE-LAB | lab(55.58, 25.45, -66.66) |
| CIE-LCH | lch(55.58, 71.35, 290.90°) |
| OKLab | oklab(62.63% -0.009 -0.1913) |
| OKLCH | oklch(62.63% 0.192 267.3) |
| XYZ | xyz(28.3293, 23.4979, 93.4665) |
| Luminance | 0.2350 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.41
Dodger Blue
#3E82FC
ΔE00 3.56
Cornflower
#6A79F7
ΔE00 3.69
Soft Blue
#6488EA
ΔE00 3.86
Clear Blue
#247AFD
ΔE00 4.16
Deep Sky Blue
#0D75F8
ΔE00 5.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#557DFA #FAD255
analogous
#55CFFA #557DFA #8055FA
triadic
#557DFA #FA557D #7DFA55
tetradic
#557DFA #FA55CF #FAD255 #55FA80
square
#557DFA #FA55CF #FAD255 #55FA80
split-complementary
#557DFA #FA8055 #CFFA55
monochromatic
#0637CF #1A50F8 #557DFA #90AAFC #CCD8FD
Accessibility & contrast
On white
3.68
#557DFA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.70
#557DFA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #557DFA
5.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##557DFA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##557DFA | 1.00 | 3.68 | 5.70 | 5.70 |
| #FFFFFF | 3.68 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.70 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.70 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#348DFE
Deuteranopia (green-blind)
#007EF7
Tritanopia (blue-blind)
#009AB0
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #557dfa; /* rgb */ color: rgb(85, 125, 250); /* oklch */ color: oklch(62.6% 0.192 267.3);
Tailwind
colors: {
custom: {
50: '#95a2fd',
500: '#557dfa',
950: '#000000',
},
}SCSS
$custom: #557dfa; $custom-light: #95a2fd; $custom-dark: #000000;
JSON
{
"hex": "#557dfa",
"rgb": {
"r": 85,
"g": 125,
"b": 250
},
"hsl": {
"h": 225.455,
"s": 94.286,
"l": 65.686
},
"oklch": {
"l": 0.62633,
"c": 0.1915,
"h": 267.3
},
"luminance": 0.23501
}Semantic roles & 50–950 ramp
primary
#557DFA
secondary
#F1E4BA
accent
#AE00E6
background
#FAF9FF
surface
#F3F2FF
border
#CDCCD7
text
#0F0F18
muted
#7F7E86