#4457AC#4457AC
#4457AC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.7% C 0.137 H 271.0°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).
Color values
| HEX | #4457AC |
|---|---|
| RGB | rgb(68, 87, 172) |
| HSL | hsl(229, 43%, 47%) |
| HSV | hsv(229, 60%, 67%) |
| CMYK | cmyk(60.5%, 49.4%, 0%, 32.5%) |
| CIE-LAB | lab(39.62, 19.43, -47.88) |
| CIE-LCH | lch(39.62, 51.67, 292.09°) |
| OKLab | oklab(48.67% 0.0025 -0.1369) |
| OKLCH | oklch(48.67% 0.137 271) |
| XYZ | xyz(13.2360, 11.0228, 40.4518) |
| Luminance | 0.1102 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusky Blue
#475F94
ΔE00 4.75
Denim Blue
#3B5B92
ΔE00 4.88
Sapphire
#0F52BA
ΔE00 5.04
Twilight
#4E518B
ΔE00 6.63
Iris
#6258C4
ΔE00 6.66
Cobalt
#0047AB
ΔE00 6.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4457AC #AC9944
analogous
#448BAC #4457AC #6544AC
triadic
#4457AC #AC4457 #57AC44
tetradic
#4457AC #AC448B #AC9944 #44AC65
square
#4457AC #AC448B #AC9944 #44AC65
split-complementary
#4457AC #AC6544 #8BAC44
monochromatic
#212B54 #334180 #4457AC #697AC4 #95A1D5
Accessibility & contrast
On white
6.55
#4457AC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.20
#4457AC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4457AC
6.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4457AC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4457AC | 1.00 | 6.55 | 3.20 | 6.55 |
| #FFFFFF | 6.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2B62AF
Deuteranopia (green-blind)
#1859AA
Tritanopia (blue-blind)
#006A79
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #4457ac; /* rgb */ color: rgb(68, 87, 172); /* oklch */ color: oklch(48.7% 0.137 271.0);
Tailwind
colors: {
custom: {
50: '#8186c5',
500: '#4457ac',
950: '#000000',
},
}SCSS
$custom: #4457ac; $custom-light: #8186c5; $custom-dark: #000000;
JSON
{
"hex": "#4457ac",
"rgb": {
"r": 68,
"g": 87,
"b": 172
},
"hsl": {
"h": 229.038,
"s": 43.333,
"l": 47.059
},
"oklch": {
"l": 0.48671,
"c": 0.13693,
"h": 271
},
"luminance": 0.11024
}Semantic roles & 50–950 ramp
primary
#4457AC
secondary
#C1B78B
accent
#BC55D3
background
#F8F8FC
surface
#EFEFF8
border
#CACAD1
text
#0B0B13
muted
#7C7C82