#657FEB#657FEB
#657FEB is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.9% C 0.164 H 270.9°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #657FEB |
|---|---|
| RGB | rgb(101, 127, 235) |
| HSL | hsl(228, 77%, 66%) |
| HSV | hsv(228, 57%, 92%) |
| CMYK | cmyk(57%, 46%, 0%, 7.8%) |
| CIE-LAB | lab(56.03, 22.01, -57.57) |
| CIE-LCH | lch(56.03, 61.64, 290.92°) |
| OKLab | oklab(62.91% 0.0025 -0.1642) |
| OKLCH | oklch(62.91% 0.164 270.9) |
| XYZ | xyz(27.9466, 23.9415, 81.7296) |
| Luminance | 0.2394 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.94
Soft Blue
#6488EA
ΔE00 3.18
Lightish Blue
#3D7AFD
ΔE00 4.59
Dodger Blue
#3E82FC
ΔE00 5.26
Cornflower Blue
#5170D7
ΔE00 6.11
Clear Blue
#247AFD
ΔE00 6.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#657FEB #EBD165
analogous
#65C2EB #657FEB #8E65EB
triadic
#657FEB #EB657F #7FEB65
tetradic
#657FEB #EB65C2 #EBD165 #65EB8E
square
#657FEB #EB65C2 #EBD165 #65EB8E
split-complementary
#657FEB #EB8E65 #C2EB65
monochromatic
#1938BD #2F52E4 #657FEB #9BACF2 #D1D9F9
Accessibility & contrast
On white
3.63
#657FEB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.79
#657FEB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #657FEB
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##657FEB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##657FEB | 1.00 | 3.63 | 5.79 | 5.79 |
| #FFFFFF | 3.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.79 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.79 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C8CEF
Deuteranopia (green-blind)
#3981E9
Tritanopia (blue-blind)
#0097AA
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #657feb; /* rgb */ color: rgb(101, 127, 235); /* oklch */ color: oklch(62.9% 0.164 270.9);
Tailwind
colors: {
custom: {
50: '#9ba3f2',
500: '#657feb',
950: '#000000',
},
}SCSS
$custom: #657feb; $custom-light: #9ba3f2; $custom-dark: #000000;
JSON
{
"hex": "#657feb",
"rgb": {
"r": 101,
"g": 127,
"b": 235
},
"hsl": {
"h": 228.358,
"s": 77.011,
"l": 65.882
},
"oklch": {
"l": 0.62906,
"c": 0.16423,
"h": 270.9
},
"luminance": 0.23944
}Semantic roles & 50–950 ramp
primary
#657FEB
secondary
#ECE3C0
accent
#B10CD9
background
#FAFAFE
surface
#F3F3FD
border
#CDCDD5
text
#0F0F17
muted
#7F7F85