#453F8F#453F8F
#453F8F is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.8% C 0.128 H 282.7°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).
Color values
| HEX | #453F8F |
|---|---|
| RGB | rgb(69, 63, 143) |
| HSL | hsl(245, 39%, 40%) |
| HSV | hsv(245, 56%, 56%) |
| CMYK | cmyk(51.7%, 55.9%, 0%, 43.9%) |
| CIE-LAB | lab(31.35, 25.36, -43.71) |
| CIE-LCH | lch(31.35, 50.54, 300.12°) |
| OKLab | oklab(41.85% 0.0282 -0.1248) |
| OKLCH | oklch(41.85% 0.128 282.7) |
| XYZ | xyz(9.1882, 6.8029, 26.8102) |
| Luminance | 0.0680 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 1.25
Darkslateblue
#483D8B
ΔE00 1.27
Ocean Blue
#4F42B5
ΔE00 6.16
Twilight
#4E518B
ΔE00 6.34
Sapphire (survey)
#2138AB
ΔE00 6.54
Rebeccapurple
#663399
ΔE00 8.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#453F8F #898F3F
analogous
#3F618F #453F8F #6D3F8F
triadic
#453F8F #8F453F #3F8F45
tetradic
#453F8F #8F3F61 #898F3F #3F8F6D
square
#453F8F #8F3F61 #898F3F #3F8F6D
split-complementary
#453F8F #8F6D3F #618F3F
monochromatic
#1C1A3A #312C65 #453F8F #5E56B5 #8681C7
Accessibility & contrast
On white
8.90
#453F8F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#453F8F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #453F8F
8.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##453F8F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##453F8F | 1.00 | 8.90 | 2.36 | 8.90 |
| #FFFFFF | 8.90 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.90 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#104C92
Deuteranopia (green-blind)
#07478D
Tritanopia (blue-blind)
#295160
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #453f8f; /* rgb */ color: rgb(69, 63, 143); /* oklch */ color: oklch(41.8% 0.128 282.7);
Tailwind
colors: {
custom: {
50: '#7f74b0',
500: '#453f8f',
950: '#000000',
},
}SCSS
$custom: #453f8f; $custom-light: #7f74b0; $custom-dark: #000000;
JSON
{
"hex": "#453f8f",
"rgb": {
"r": 69,
"g": 63,
"b": 143
},
"hsl": {
"h": 244.5,
"s": 38.835,
"l": 40.392
},
"oklch": {
"l": 0.41849,
"c": 0.128,
"h": 282.7
},
"luminance": 0.06803
}Semantic roles & 50–950 ramp
primary
#453F8F
secondary
#ADB278
accent
#CF59C6
background
#F8F7FA
surface
#EFEDF5
border
#CAC8CF
text
#0A0810
muted
#7C7B7F