#4173FF#4173FF
#4173FF is a mid, highly saturated blue. Relative luminance 0.206; OKLCH L 60.2% C 0.215 H 265.4°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).
Color values
| HEX | #4173FF |
|---|---|
| RGB | rgb(65, 115, 255) |
| HSL | hsl(224, 100%, 63%) |
| HSV | hsv(224, 75%, 100%) |
| CMYK | cmyk(74.5%, 54.9%, 0%, 0%) |
| CIE-LAB | lab(52.51, 30.73, -74.44) |
| CIE-LCH | lch(52.51, 80.53, 292.44°) |
| OKLab | oklab(60.18% -0.0172 -0.2147) |
| OKLCH | oklch(60.18% 0.215 265.4) |
| XYZ | xyz(26.3543, 20.6024, 97.1761) |
| Luminance | 0.2061 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.61
Clear Blue
#247AFD
ΔE00 3.89
Deep Sky Blue
#0D75F8
ΔE00 4.01
Cornflower Blue
#5170D7
ΔE00 4.82
Cornflower
#6A79F7
ΔE00 4.89
Cerulean Blue
#056EEE
ΔE00 4.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4173FF #FFCD41
analogous
#41D2FF #4173FF #6E41FF
triadic
#4173FF #FF4173 #73FF41
tetradic
#4173FF #FF41D2 #FFCD41 #41FF6E
square
#4173FF #FF41D2 #FFCD41 #41FF6E
split-complementary
#4173FF #FF6E41 #D2FF41
monochromatic
#0034C6 #0446FF #4173FF #7EA0FF #BBCDFF
Accessibility & contrast
On white
4.10
#4173FF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.12
#4173FF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4173FF
5.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4173FF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4173FF | 1.00 | 4.10 | 5.12 | 5.12 |
| #FFFFFF | 4.10 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.12 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.12 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0086FF
Deuteranopia (green-blind)
#0075FC
Tritanopia (blue-blind)
#0096AE
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #4173ff; /* rgb */ color: rgb(65, 115, 255); /* oklch */ color: oklch(60.2% 0.215 265.4);
Tailwind
colors: {
custom: {
50: '#8f9aff',
500: '#4173ff',
950: '#000000',
},
}SCSS
$custom: #4173ff; $custom-light: #8f9aff; $custom-dark: #000000;
JSON
{
"hex": "#4173ff",
"rgb": {
"r": 65,
"g": 115,
"b": 255
},
"hsl": {
"h": 224.211,
"s": 100,
"l": 62.745
},
"oklch": {
"l": 0.60184,
"c": 0.21537,
"h": 265.4
},
"luminance": 0.20605
}Semantic roles & 50–950 ramp
primary
#4173FF
secondary
#F0DEAC
accent
#A900E6
background
#F9F9FF
surface
#F2F2FF
border
#CCCCD7
text
#0E0E18
muted
#7E7E86