#457ADB#457ADB
#457ADB is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.2% C 0.159 H 261.4°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).
Color values
| HEX | #457ADB |
|---|---|
| RGB | rgb(69, 122, 219) |
| HSL | hsl(219, 68%, 56%) |
| HSV | hsv(219, 68%, 86%) |
| CMYK | cmyk(68.5%, 44.3%, 0%, 14.1%) |
| CIE-LAB | lab(52.17, 14.06, -54.87) |
| CIE-LCH | lch(52.17, 56.65, 284.37°) |
| OKLab | oklab(59.22% -0.0239 -0.1569) |
| OKLCH | oklch(59.22% 0.159 261.4) |
| XYZ | xyz(22.1954, 20.2965, 69.7520) |
| Luminance | 0.2030 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Deep Sky Blue
#0D75F8
ΔE00 3.39
Clear Blue
#247AFD
ΔE00 3.41
Lightish Blue
#3D7AFD
ΔE00 3.75
Dodger Blue
#3E82FC
ΔE00 4.44
Azure
#007FFF
ΔE00 4.47
Cornflower Blue
#5170D7
ΔE00 4.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#457ADB #DBA645
analogous
#45C5DB #457ADB #5B45DB
triadic
#457ADB #DB457A #7ADB45
tetradic
#457ADB #DB45C5 #DBA645 #45DB5B
square
#457ADB #DB45C5 #DBA645 #45DB5B
split-complementary
#457ADB #DB5B45 #C5DB45
monochromatic
#1B428B #255BBE #457ADB #789FE5 #ACC3EF
Accessibility & contrast
On white
4.15
#457ADB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.06
#457ADB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #457ADB
5.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##457ADB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##457ADB | 1.00 | 4.15 | 5.06 | 5.06 |
| #FFFFFF | 4.15 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.06 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.06 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A84DF
Deuteranopia (green-blind)
#2E76D9
Tritanopia (blue-blind)
#0091A0
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #457adb; /* rgb */ color: rgb(69, 122, 219); /* oklch */ color: oklch(59.2% 0.159 261.4);
Tailwind
colors: {
custom: {
50: '#899fe7',
500: '#457adb',
950: '#000000',
},
}SCSS
$custom: #457adb; $custom-light: #899fe7; $custom-dark: #000000;
JSON
{
"hex": "#457adb",
"rgb": {
"r": 69,
"g": 122,
"b": 219
},
"hsl": {
"h": 218.8,
"s": 67.568,
"l": 56.471
},
"oklch": {
"l": 0.5922,
"c": 0.15875,
"h": 261.4
},
"luminance": 0.20299
}Semantic roles & 50–950 ramp
primary
#457ADB
secondary
#DDC79F
accent
#AD3DEA
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84