#4570D5#4570D5
#4570D5 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.7% C 0.162 H 264.5°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).
Color values
| HEX | #4570D5 |
|---|---|
| RGB | rgb(69, 112, 213) |
| HSL | hsl(222, 63%, 55%) |
| HSV | hsv(222, 68%, 84%) |
| CMYK | cmyk(67.6%, 47.4%, 0%, 16.5%) |
| CIE-LAB | lab(49.08, 18.15, -56.44) |
| CIE-LCH | lch(49.08, 59.29, 287.83°) |
| OKLab | oklab(56.73% -0.0157 -0.1617) |
| OKLCH | oklch(56.73% 0.162 264.5) |
| XYZ | xyz(20.2544, 17.6556, 65.2783) |
| Luminance | 0.1766 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 1.92
Royal Blue
#4169E1
ΔE00 2.87
Cerulean Blue
#056EEE
ΔE00 3.61
Deep Sky Blue
#0D75F8
ΔE00 4.75
French Blue
#436BAD
ΔE00 5.22
Bright Blue
#0165FC
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4570D5 #D5AA45
analogous
#45B8D5 #4570D5 #6245D5
triadic
#4570D5 #D54570 #70D545
tetradic
#4570D5 #D545B8 #D5AA45 #45D562
square
#4570D5 #D545B8 #D5AA45 #45D562
split-complementary
#4570D5 #D56245 #B8D545
monochromatic
#1D3C82 #2952B4 #4570D5 #7796E0 #A9BDEC
Accessibility & contrast
On white
4.63
#4570D5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.53
#4570D5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #4570D5
4.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4570D5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4570D5 | 1.00 | 4.63 | 4.53 | 4.63 |
| #FFFFFF | 4.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3B7CD9
Deuteranopia (green-blind)
#196ED3
Tritanopia (blue-blind)
#008898
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #4570d5; /* rgb */ color: rgb(69, 112, 213); /* oklch */ color: oklch(56.7% 0.162 264.5);
Tailwind
colors: {
custom: {
50: '#8898e2',
500: '#4570d5',
950: '#000000',
},
}SCSS
$custom: #4570d5; $custom-light: #8898e2; $custom-dark: #000000;
JSON
{
"hex": "#4570d5",
"rgb": {
"r": 69,
"g": 112,
"b": 213
},
"hsl": {
"h": 222.083,
"s": 63.158,
"l": 55.294
},
"oklch": {
"l": 0.56728,
"c": 0.16248,
"h": 264.5
},
"luminance": 0.17658
}Semantic roles & 50–950 ramp
primary
#4570D5
secondary
#D9C79D
accent
#B542E6
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0D15
muted
#7E7E83