#657FFB#657FFB
#657FFB is a light, vivid blue. Relative luminance 0.249; OKLCH L 63.9% C 0.186 H 271.3°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).
Color values
| HEX | #657FFB |
|---|---|
| RGB | rgb(101, 127, 251) |
| HSL | hsl(230, 95%, 69%) |
| HSV | hsv(230, 60%, 98%) |
| CMYK | cmyk(59.8%, 49.4%, 0%, 1.6%) |
| CIE-LAB | lab(56.99, 27.21, -64.91) |
| CIE-LCH | lch(56.99, 70.38, 292.74°) |
| OKLab | oklab(63.94% 0.0043 -0.1858) |
| OKLCH | oklch(63.94% 0.186 271.3) |
| XYZ | xyz(30.3630, 24.9080, 94.4558) |
| Luminance | 0.2491 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.34
Soft Blue
#6488EA
ΔE00 3.83
Lightish Blue
#3D7AFD
ΔE00 4.61
Dodger Blue
#3E82FC
ΔE00 5.37
Clear Blue
#247AFD
ΔE00 6.38
Lavender Blue
#8B88F8
ΔE00 6.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#657FFB #FBE165
analogous
#65CAFB #657FFB #9665FB
triadic
#657FFB #FB657F #7FFB65
tetradic
#657FFB #FB65CA #FBE165 #65FB96
square
#657FFB #FB65CA #FBE165 #65FB96
split-complementary
#657FFB #FB9665 #CAFB65
monochromatic
#062CE0 #294DF9 #657FFB #A1B1FD #DCE2FE
Accessibility & contrast
On white
3.51
#657FFB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.98
#657FFB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #657FFB
5.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##657FFB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##657FFB | 1.00 | 3.51 | 5.98 | 5.98 |
| #FFFFFF | 3.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.98 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.98 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3C90FF
Deuteranopia (green-blind)
#1A82F8
Tritanopia (blue-blind)
#009BB1
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #657ffb; /* rgb */ color: rgb(101, 127, 251); /* oklch */ color: oklch(63.9% 0.186 271.3);
Tailwind
colors: {
custom: {
50: '#9da3fd',
500: '#657ffb',
950: '#000000',
},
}SCSS
$custom: #657ffb; $custom-light: #9da3fd; $custom-dark: #000000;
JSON
{
"hex": "#657ffb",
"rgb": {
"r": 101,
"g": 127,
"b": 251
},
"hsl": {
"h": 229.6,
"s": 94.937,
"l": 69.02
},
"oklch": {
"l": 0.6394,
"c": 0.18583,
"h": 271.3
},
"luminance": 0.2491
}Semantic roles & 50–950 ramp
primary
#657FFB
secondary
#F4ECC8
accent
#BE00E6
background
#FAFAFF
surface
#F4F3FF
border
#CECDD7
text
#0F0F18
muted
#7F7F86