#4B57AE#4B57AE
#4B57AE is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.3% C 0.138 H 274.3°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).
Color values
| HEX | #4B57AE |
|---|---|
| RGB | rgb(75, 87, 174) |
| HSL | hsl(233, 40%, 49%) |
| HSV | hsv(233, 57%, 68%) |
| CMYK | cmyk(56.9%, 50%, 0%, 31.8%) |
| CIE-LAB | lab(40.19, 21.52, -48.12) |
| CIE-LCH | lch(40.19, 52.71, 294.09°) |
| OKLab | oklab(49.26% 0.0103 -0.1374) |
| OKLCH | oklch(49.26% 0.138 274.3) |
| XYZ | xyz(13.9474, 11.3672, 41.4953) |
| Luminance | 0.1137 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusky Blue
#475F94
ΔE00 5.40
Iris
#6258C4
ΔE00 5.43
Denim Blue
#3B5B92
ΔE00 5.97
Sapphire
#0F52BA
ΔE00 6.18
Warm Blue
#4B57DB
ΔE00 6.33
Twilight
#4E518B
ΔE00 6.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B57AE #AEA24B
analogous
#4B89AE #4B57AE #714BAE
triadic
#4B57AE #AE4B57 #57AE4B
tetradic
#4B57AE #AE4B89 #AEA24B #4BAE71
square
#4B57AE #AE4B89 #AEA24B #4BAE71
split-complementary
#4B57AE #AE714B #89AE4B
monochromatic
#262C58 #394283 #4B57AE #737DC3 #9EA5D5
Accessibility & contrast
On white
6.41
#4B57AE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.27
#4B57AE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B57AE
6.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B57AE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B57AE | 1.00 | 6.41 | 3.27 | 6.41 |
| #FFFFFF | 6.41 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.27 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.41 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2B63B1
Deuteranopia (green-blind)
#1C5BAC
Tritanopia (blue-blind)
#106B7A
Achromatopsia (no color)
#5F5F5F
Design tokens & code
CSS
--color: #4b57ae; /* rgb */ color: rgb(75, 87, 174); /* oklch */ color: oklch(49.3% 0.138 274.3);
Tailwind
colors: {
custom: {
50: '#8586c7',
500: '#4b57ae',
950: '#000000',
},
}SCSS
$custom: #4b57ae; $custom-light: #8586c7; $custom-dark: #000000;
JSON
{
"hex": "#4b57ae",
"rgb": {
"r": 75,
"g": 87,
"b": 174
},
"hsl": {
"h": 232.727,
"s": 39.759,
"l": 48.824
},
"oklch": {
"l": 0.49264,
"c": 0.13783,
"h": 274.3
},
"luminance": 0.11368
}Semantic roles & 50–950 ramp
primary
#4B57AE
secondary
#C2BC93
accent
#C158D0
background
#F8F8FC
surface
#F0EFF8
border
#CBCAD1
text
#0C0B13
muted
#7D7C82