#4557CA#4557CA
#4557CA is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.0% C 0.178 H 271.8°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).
Color values
| HEX | #4557CA |
|---|---|
| RGB | rgb(69, 87, 202) |
| HSL | hsl(232, 56%, 53%) |
| HSV | hsv(232, 66%, 79%) |
| CMYK | cmyk(65.8%, 56.9%, 0%, 20.8%) |
| CIE-LAB | lab(41.76, 30.08, -61.96) |
| CIE-LCH | lch(41.76, 68.87, 295.89°) |
| OKLab | oklab(50.96% 0.0056 -0.1783) |
| OKLCH | oklch(50.96% 0.178 271.8) |
| XYZ | xyz(16.5195, 12.3444, 57.3778) |
| Luminance | 0.1235 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.60
Iris
#6258C4
ΔE00 4.77
Azul
#1D5DEC
ΔE00 5.14
Dark Periwinkle
#665FD1
ΔE00 5.61
Sapphire
#0F52BA
ΔE00 5.92
Slate Blue
#6A5ACD
ΔE00 6.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4557CA #CAB845
analogous
#4599CA #4557CA #7545CA
triadic
#4557CA #CA4557 #57CA45
tetradic
#4557CA #CA4599 #CAB845 #45CA75
square
#4557CA #CA4599 #CAB845 #45CA75
split-complementary
#4557CA #CA7545 #99CA45
monochromatic
#212C74 #2F3EA3 #4557CA #7582D8 #A4ADE5
Accessibility & contrast
On white
6.05
#4557CA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.47
#4557CA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4557CA
6.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4557CA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4557CA | 1.00 | 6.05 | 3.47 | 6.05 |
| #FFFFFF | 6.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.05 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0069CE
Deuteranopia (green-blind)
#005DC8
Tritanopia (blue-blind)
#007388
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #4557ca; /* rgb */ color: rgb(69, 87, 202); /* oklch */ color: oklch(51.0% 0.178 271.8);
Tailwind
colors: {
custom: {
50: '#8786db',
500: '#4557ca',
950: '#000000',
},
}SCSS
$custom: #4557ca; $custom-light: #8786db; $custom-dark: #000000;
JSON
{
"hex": "#4557ca",
"rgb": {
"r": 69,
"g": 87,
"b": 202
},
"hsl": {
"h": 231.88,
"s": 55.649,
"l": 53.137
},
"oklch": {
"l": 0.50958,
"c": 0.1784,
"h": 271.8
},
"luminance": 0.12346
}Semantic roles & 50–950 ramp
primary
#4557CA
secondary
#D2CA99
accent
#CB49DF
background
#F8F8FD
surface
#F0EFFB
border
#CBCAD4
text
#0D0B15
muted
#7D7C83