#657FEC#657FEC
#657FEC is a light, vivid blue. Relative luminance 0.240; OKLCH L 63.0% C 0.166 H 270.9°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).
Color values
| HEX | #657FEC |
|---|---|
| RGB | rgb(101, 127, 236) |
| HSL | hsl(228, 78%, 66%) |
| HSV | hsv(228, 57%, 93%) |
| CMYK | cmyk(57.2%, 46.2%, 0%, 7.5%) |
| CIE-LAB | lab(56.09, 22.33, -58.04) |
| CIE-LCH | lch(56.09, 62.19, 291.05°) |
| OKLab | oklab(62.97% 0.0026 -0.1656) |
| OKLCH | oklch(62.97% 0.166 270.9) |
| XYZ | xyz(28.0915, 23.9994, 82.4926) |
| Luminance | 0.2400 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.87
Soft Blue
#6488EA
ΔE00 3.19
Lightish Blue
#3D7AFD
ΔE00 4.56
Dodger Blue
#3E82FC
ΔE00 5.25
Clear Blue
#247AFD
ΔE00 6.16
Cornflower Blue
#5170D7
ΔE00 6.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#657FEC #ECD265
analogous
#65C3EC #657FEC #8E65EC
triadic
#657FEC #EC657F #7FEC65
tetradic
#657FEC #EC65C3 #ECD265 #65EC8E
square
#657FEC #EC65C3 #ECD265 #65EC8E
split-complementary
#657FEC #EC8E65 #C3EC65
monochromatic
#1838BF #2F52E5 #657FEC #9BACF3 #D2DAF9
Accessibility & contrast
On white
3.62
#657FEC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.80
#657FEC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #657FEC
5.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##657FEC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##657FEC | 1.00 | 3.62 | 5.80 | 5.80 |
| #FFFFFF | 3.62 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.80 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.80 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C8DF0
Deuteranopia (green-blind)
#3881EA
Tritanopia (blue-blind)
#0097AA
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #657fec; /* rgb */ color: rgb(101, 127, 236); /* oklch */ color: oklch(63.0% 0.166 270.9);
Tailwind
colors: {
custom: {
50: '#9ba3f3',
500: '#657fec',
950: '#000000',
},
}SCSS
$custom: #657fec; $custom-light: #9ba3f3; $custom-dark: #000000;
JSON
{
"hex": "#657fec",
"rgb": {
"r": 101,
"g": 127,
"b": 236
},
"hsl": {
"h": 228.444,
"s": 78.035,
"l": 66.078
},
"oklch": {
"l": 0.62969,
"c": 0.1656,
"h": 270.9
},
"luminance": 0.24002
}Semantic roles & 50–950 ramp
primary
#657FEC
secondary
#EDE4C0
accent
#B20BDA
background
#FAFAFE
surface
#F4F3FD
border
#CECDD5
text
#0F0F17
muted
#7F7F85