#657FEF#657FEF
#657FEF is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.2% C 0.170 H 271.0°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).
Color values
| HEX | #657FEF |
|---|---|
| RGB | rgb(101, 127, 239) |
| HSL | hsl(229, 81%, 67%) |
| HSV | hsv(229, 58%, 94%) |
| CMYK | cmyk(57.7%, 46.9%, 0%, 6.3%) |
| CIE-LAB | lab(56.26, 23.31, -59.42) |
| CIE-LCH | lch(56.26, 63.83, 291.41°) |
| OKLab | oklab(63.16% 0.003 -0.1696) |
| OKLCH | oklch(63.16% 0.17 271) |
| XYZ | xyz(28.5310, 24.1752, 84.8074) |
| Luminance | 0.2418 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.67
Soft Blue
#6488EA
ΔE00 3.25
Lightish Blue
#3D7AFD
ΔE00 4.51
Dodger Blue
#3E82FC
ΔE00 5.22
Clear Blue
#247AFD
ΔE00 6.16
Cornflower Blue
#5170D7
ΔE00 6.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#657FEF #EFD565
analogous
#65C4EF #657FEF #9065EF
triadic
#657FEF #EF657F #7FEF65
tetradic
#657FEF #EF65C4 #EFD565 #65EF90
square
#657FEF #EF65C4 #EFD565 #65EF90
split-complementary
#657FEF #EF9065 #C4EF65
monochromatic
#1436C5 #2E51E9 #657FEF #9CADF5 #D4DBFB
Accessibility & contrast
On white
3.60
#657FEF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.84
#657FEF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #657FEF
5.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##657FEF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##657FEF | 1.00 | 3.60 | 5.84 | 5.84 |
| #FFFFFF | 3.60 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.84 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.84 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#498DF3
Deuteranopia (green-blind)
#3381ED
Tritanopia (blue-blind)
#0098AB
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #657fef; /* rgb */ color: rgb(101, 127, 239); /* oklch */ color: oklch(63.2% 0.170 271.0);
Tailwind
colors: {
custom: {
50: '#9ba3f5',
500: '#657fef',
950: '#000000',
},
}SCSS
$custom: #657fef; $custom-light: #9ba3f5; $custom-dark: #000000;
JSON
{
"hex": "#657fef",
"rgb": {
"r": 101,
"g": 127,
"b": 239
},
"hsl": {
"h": 228.696,
"s": 81.176,
"l": 66.667
},
"oklch": {
"l": 0.63159,
"c": 0.16968,
"h": 271
},
"luminance": 0.24177
}Semantic roles & 50–950 ramp
primary
#657FEF
secondary
#EEE6C2
accent
#B508DE
background
#FAFAFF
surface
#F4F3FE
border
#CECDD6
text
#0F0F17
muted
#7F7F85