#4A57FF#4A57FF
#4A57FF is a mid, highly saturated blue. Relative luminance 0.155; OKLCH L 55.7% C 0.245 H 272.0°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).
Color values
| HEX | #4A57FF |
|---|---|
| RGB | rgb(74, 87, 255) |
| HSL | hsl(236, 100%, 65%) |
| HSV | hsv(236, 71%, 100%) |
| CMYK | cmyk(71%, 65.9%, 0%, 0%) |
| CIE-LAB | lab(46.30, 48.71, -84.57) |
| CIE-LCH | lch(46.30, 97.59, 299.94°) |
| OKLab | oklab(55.69% 0.0087 -0.2445) |
| OKLCH | oklch(55.69% 0.245 272) |
| XYZ | xyz(24.2761, 15.4898, 96.2988) |
| Luminance | 0.1549 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Electric Blue
#0652FF
ΔE00 3.80
Warm Blue
#4B57DB
ΔE00 4.51
Azul
#1D5DEC
ΔE00 5.46
Dark Periwinkle
#665FD1
ΔE00 6.43
Bright Blue
#0165FC
ΔE00 6.47
Purpleish Blue
#6140EF
ΔE00 6.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4A57FF #FFF24A
analogous
#4AB1FF #4A57FF #984AFF
triadic
#4A57FF #FF4A57 #57FF4A
tetradic
#4A57FF #FF4AB1 #FFF24A #4AFF98
square
#4A57FF #FF4AB1 #FFF24A #4AFF98
split-complementary
#4A57FF #FF984A #B1FF4A
monochromatic
#000FCF #0D1EFF #4A57FF #8790FF #C4C9FF
Accessibility & contrast
On white
5.12
#4A57FF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.10
#4A57FF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4A57FF
5.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4A57FF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4A57FF | 1.00 | 5.12 | 4.10 | 5.12 |
| #FFFFFF | 5.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0076FF
Deuteranopia (green-blind)
#0065FC
Tritanopia (blue-blind)
#0084A4
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #4a57ff; /* rgb */ color: rgb(74, 87, 255); /* oklch */ color: oklch(55.7% 0.245 272.0);
Tailwind
colors: {
custom: {
50: '#9487ff',
500: '#4a57ff',
950: '#000000',
},
}SCSS
$custom: #4a57ff; $custom-light: #9487ff; $custom-dark: #000000;
JSON
{
"hex": "#4a57ff",
"rgb": {
"r": 74,
"g": 87,
"b": 255
},
"hsl": {
"h": 235.691,
"s": 100,
"l": 64.51
},
"oklch": {
"l": 0.55693,
"c": 0.24465,
"h": 272
},
"luminance": 0.15492
}Semantic roles & 50–950 ramp
primary
#4A57FF
secondary
#F2EDB3
accent
#D500E6
background
#FAF8FF
surface
#F4EFFF
border
#CECAD7
text
#0F0B18
muted
#7F7C86