#4070DA#4070DA
#4070DA is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.8% C 0.171 H 263.6°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #4070DA |
|---|---|
| RGB | rgb(64, 112, 218) |
| HSL | hsl(221, 68%, 55%) |
| HSV | hsv(221, 71%, 85%) |
| CMYK | cmyk(70.6%, 48.6%, 0%, 14.5%) |
| CIE-LAB | lab(49.18, 19.21, -59.13) |
| CIE-LCH | lch(49.18, 62.17, 287.99°) |
| OKLab | oklab(56.85% -0.0191 -0.1697) |
| OKLCH | oklch(56.85% 0.171 263.6) |
| XYZ | xyz(20.5589, 17.7381, 68.6564) |
| Luminance | 0.1774 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.32
Royal Blue
#4169E1
ΔE00 2.82
Cerulean Blue
#056EEE
ΔE00 2.95
Deep Sky Blue
#0D75F8
ΔE00 4.13
Bright Blue
#0165FC
ΔE00 4.92
Clear Blue
#247AFD
ΔE00 5.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4070DA #DAAA40
analogous
#40BDDA #4070DA #5D40DA
triadic
#4070DA #DA4070 #70DA40
tetradic
#4070DA #DA40BD #DAAA40 #40DA5D
square
#4070DA #DA40BD #DAAA40 #40DA5D
split-complementary
#4070DA #DA5D40 #BDDA40
monochromatic
#1A3B86 #2452B9 #4070DA #7396E4 #A7BDEE
Accessibility & contrast
On white
4.62
#4070DA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.55
#4070DA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #4070DA
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4070DA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4070DA | 1.00 | 4.62 | 4.55 | 4.62 |
| #FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#347CDE
Deuteranopia (green-blind)
#006ED8
Tritanopia (blue-blind)
#00899A
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #4070da; /* rgb */ color: rgb(64, 112, 218); /* oklch */ color: oklch(56.8% 0.171 263.6);
Tailwind
colors: {
custom: {
50: '#8798e6',
500: '#4070da',
950: '#000000',
},
}SCSS
$custom: #4070da; $custom-light: #8798e6; $custom-dark: #000000;
JSON
{
"hex": "#4070da",
"rgb": {
"r": 64,
"g": 112,
"b": 218
},
"hsl": {
"h": 221.299,
"s": 67.544,
"l": 55.294
},
"oklch": {
"l": 0.56847,
"c": 0.17078,
"h": 263.6
},
"luminance": 0.1774
}Semantic roles & 50–950 ramp
primary
#4070DA
secondary
#DBC79B
accent
#B43DEA
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0D16
muted
#7E7E84