#457ACB#457ACB
#457ACB is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.2% C 0.137 H 258.7°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).
Color values
| HEX | #457ACB |
|---|---|
| RGB | rgb(69, 122, 203) |
| HSL | hsl(216, 56%, 53%) |
| HSV | hsv(216, 66%, 80%) |
| CMYK | cmyk(66%, 39.9%, 0%, 20.4%) |
| CIE-LAB | lab(51.26, 8.42, -47.26) |
| CIE-LCH | lch(51.26, 48.00, 280.10°) |
| OKLab | oklab(58.22% -0.027 -0.1346) |
| OKLCH | oklch(58.22% 0.137 258.7) |
| XYZ | xyz(20.1894, 19.4941, 59.1871) |
| Luminance | 0.1950 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.91
Deep Sky Blue
#0D75F8
ΔE00 4.50
Bluish
#2976BB
ΔE00 4.72
Clear Blue
#247AFD
ΔE00 4.89
Cool Blue
#4984B8
ΔE00 4.95
Steel Blue
#4682B4
ΔE00 5.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#457ACB #CB9645
analogous
#45BDCB #457ACB #5345CB
triadic
#457ACB #CB457A #7ACB45
tetradic
#457ACB #CB45BD #CB9645 #45CB53
square
#457ACB #CB45BD #CB9645 #45CB53
split-complementary
#457ACB #CB5345 #BDCB45
monochromatic
#214275 #2E5DA5 #457ACB #759CD8 #A5BEE6
Accessibility & contrast
On white
4.29
#457ACB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.90
#457ACB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #457ACB
4.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##457ACB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##457ACB | 1.00 | 4.29 | 4.90 | 4.90 |
| #FFFFFF | 4.29 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.90 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.90 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5581CE
Deuteranopia (green-blind)
#4174C9
Tritanopia (blue-blind)
#008D99
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #457acb; /* rgb */ color: rgb(69, 122, 203); /* oklch */ color: oklch(58.2% 0.137 258.7);
Tailwind
colors: {
custom: {
50: '#86a0db',
500: '#457acb',
950: '#000000',
},
}SCSS
$custom: #457acb; $custom-light: #86a0db; $custom-dark: #000000;
JSON
{
"hex": "#457acb",
"rgb": {
"r": 69,
"g": 122,
"b": 203
},
"hsl": {
"h": 216.269,
"s": 56.303,
"l": 53.333
},
"oklch": {
"l": 0.58222,
"c": 0.13727,
"h": 258.7
},
"luminance": 0.19496
}Semantic roles & 50–950 ramp
primary
#457ACB
secondary
#D3BC99
accent
#A448E0
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83