#4075C5#4075C5
#4075C5 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.5% C 0.137 H 258.5°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #4075C5 |
|---|---|
| RGB | rgb(64, 117, 197) |
| HSL | hsl(216, 53%, 51%) |
| HSV | hsv(216, 68%, 77%) |
| CMYK | cmyk(67.5%, 40.6%, 0%, 22.7%) |
| CIE-LAB | lab(49.30, 8.55, -46.96) |
| CIE-LCH | lch(49.30, 47.73, 280.31°) |
| OKLab | oklab(56.54% -0.0273 -0.1339) |
| OKLCH | oklch(56.54% 0.137 258.5) |
| XYZ | xyz(18.5501, 17.8419, 55.2787) |
| Luminance | 0.1784 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.50
Medium Blue
#2C6FBB
ΔE00 3.37
Bluish
#2976BB
ΔE00 3.97
Flat Blue
#3C73A8
ΔE00 4.04
Cerulean Blue
#056EEE
ΔE00 4.53
French Blue
#436BAD
ΔE00 4.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4075C5 #C59040
analogous
#40B8C5 #4075C5 #4D40C5
triadic
#4075C5 #C54075 #75C540
tetradic
#4075C5 #C540B8 #C59040 #40C54D
square
#4075C5 #C540B8 #C59040 #40C54D
split-complementary
#4075C5 #C54D40 #B8C540
monochromatic
#203E6A #2F5999 #4075C5 #6F97D3 #9EB9E2
Accessibility & contrast
On white
4.60
#4075C5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.57
#4075C5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #4075C5
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4075C5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4075C5 | 1.00 | 4.60 | 4.57 | 4.60 |
| #FFFFFF | 4.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#507CC8
Deuteranopia (green-blind)
#3C6FC3
Tritanopia (blue-blind)
#008793
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #4075c5; /* rgb */ color: rgb(64, 117, 197); /* oklch */ color: oklch(56.5% 0.137 258.5);
Tailwind
colors: {
custom: {
50: '#839cd7',
500: '#4075c5',
950: '#000000',
},
}SCSS
$custom: #4075c5; $custom-light: #839cd7; $custom-dark: #000000;
JSON
{
"hex": "#4075c5",
"rgb": {
"r": 64,
"g": 117,
"b": 197
},
"hsl": {
"h": 216.09,
"s": 53.414,
"l": 51.176
},
"oklch": {
"l": 0.56539,
"c": 0.13662,
"h": 258.5
},
"luminance": 0.17844
}Semantic roles & 50–950 ramp
primary
#4075C5
secondary
#CEB693
accent
#A34BDD
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83