#4553B3#4553B3
#4553B3 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.4% C 0.152 H 273.1°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).
Color values
| HEX | #4553B3 |
|---|---|
| RGB | rgb(69, 83, 179) |
| HSL | hsl(232, 44%, 49%) |
| HSV | hsv(232, 61%, 70%) |
| CMYK | cmyk(61.5%, 53.6%, 0%, 29.8%) |
| CIE-LAB | lab(39.08, 24.63, -52.88) |
| CIE-LCH | lch(39.08, 58.34, 294.97°) |
| OKLab | oklab(48.43% 0.0083 -0.1516) |
| OKLCH | oklch(48.43% 0.152 273.1) |
| XYZ | xyz(13.6815, 10.7053, 43.9844) |
| Luminance | 0.1071 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 5.28
Iris
#6258C4
ΔE00 5.65
Warm Blue
#4B57DB
ΔE00 5.78
Ocean Blue
#4F42B5
ΔE00 6.10
Blue Blue
#2242C7
ΔE00 6.12
Cobalt
#0047AB
ΔE00 6.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4553B3 #B3A545
analogous
#458AB3 #4553B3 #6E45B3
triadic
#4553B3 #B34553 #53B345
tetradic
#4553B3 #B3458A #B3A545 #45B36E
square
#4553B3 #B3458A #B3A545 #45B36E
split-complementary
#4553B3 #B36E45 #8AB345
monochromatic
#232A5B #343F87 #4553B3 #6E79C7 #9AA2D8
Accessibility & contrast
On white
6.69
#4553B3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.14
#4553B3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4553B3
6.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4553B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4553B3 | 1.00 | 6.69 | 3.14 | 6.69 |
| #FFFFFF | 6.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1661B6
Deuteranopia (green-blind)
#0057B1
Tritanopia (blue-blind)
#00697B
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #4553b3; /* rgb */ color: rgb(69, 83, 179); /* oklch */ color: oklch(48.4% 0.152 273.1);
Tailwind
colors: {
custom: {
50: '#8383ca',
500: '#4553b3',
950: '#000000',
},
}SCSS
$custom: #4553b3; $custom-light: #8383ca; $custom-dark: #000000;
JSON
{
"hex": "#4553b3",
"rgb": {
"r": 69,
"g": 83,
"b": 179
},
"hsl": {
"h": 232.364,
"s": 44.355,
"l": 48.627
},
"oklch": {
"l": 0.4843,
"c": 0.15187,
"h": 273.1
},
"luminance": 0.10706
}Semantic roles & 50–950 ramp
primary
#4553B3
secondary
#C4BE8F
accent
#C454D4
background
#F8F8FC
surface
#F0EFF8
border
#CBCAD1
text
#0C0A13
muted
#7D7C82