#657EEB#657EEB
#657EEB is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.7% C 0.165 H 271.2°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #657EEB |
|---|---|
| RGB | rgb(101, 126, 235) |
| HSL | hsl(229, 77%, 66%) |
| HSV | hsv(229, 57%, 92%) |
| CMYK | cmyk(57%, 46.4%, 0%, 7.8%) |
| CIE-LAB | lab(55.77, 22.62, -57.99) |
| CIE-LCH | lch(55.77, 62.24, 291.31°) |
| OKLab | oklab(62.71% 0.0035 -0.1654) |
| OKLCH | oklch(62.71% 0.165 271.2) |
| XYZ | xyz(27.8181, 23.6844, 81.6868) |
| Luminance | 0.2369 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.68
Soft Blue
#6488EA
ΔE00 3.52
Lightish Blue
#3D7AFD
ΔE00 4.60
Dodger Blue
#3E82FC
ΔE00 5.45
Cornflower Blue
#5170D7
ΔE00 5.89
Clear Blue
#247AFD
ΔE00 6.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#657EEB #EBD265
analogous
#65C1EB #657EEB #8F65EB
triadic
#657EEB #EB657E #7EEB65
tetradic
#657EEB #EB65C1 #EBD265 #65EB8F
square
#657EEB #EB65C1 #EBD265 #65EB8F
split-complementary
#657EEB #EB8F65 #C1EB65
monochromatic
#1937BD #2F51E4 #657EEB #9BABF2 #D1D9F9
Accessibility & contrast
On white
3.66
#657EEB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.74
#657EEB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #657EEB
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##657EEB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##657EEB | 1.00 | 3.66 | 5.74 | 5.74 |
| #FFFFFF | 3.66 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.74 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.74 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A8CEF
Deuteranopia (green-blind)
#3780E9
Tritanopia (blue-blind)
#0096A9
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #657eeb; /* rgb */ color: rgb(101, 126, 235); /* oklch */ color: oklch(62.7% 0.165 271.2);
Tailwind
colors: {
custom: {
50: '#9ba3f2',
500: '#657eeb',
950: '#000000',
},
}SCSS
$custom: #657eeb; $custom-light: #9ba3f2; $custom-dark: #000000;
JSON
{
"hex": "#657eeb",
"rgb": {
"r": 101,
"g": 126,
"b": 235
},
"hsl": {
"h": 228.806,
"s": 77.011,
"l": 65.882
},
"oklch": {
"l": 0.62709,
"c": 0.16548,
"h": 271.2
},
"luminance": 0.23687
}Semantic roles & 50–950 ramp
primary
#657EEB
secondary
#ECE4C0
accent
#B30CD9
background
#FAF9FE
surface
#F3F2FD
border
#CDCCD5
text
#0F0F17
muted
#7F7E85