#4378E2#4378E2
#4378E2 is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.2% C 0.171 H 262.4°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).
Color values
| HEX | #4378E2 |
|---|---|
| RGB | rgb(67, 120, 226) |
| HSL | hsl(220, 73%, 57%) |
| HSV | hsv(220, 70%, 89%) |
| CMYK | cmyk(70.4%, 46.9%, 0%, 11.4%) |
| CIE-LAB | lab(51.97, 17.50, -59.15) |
| CIE-LCH | lch(51.97, 61.68, 286.48°) |
| OKLab | oklab(59.18% -0.0225 -0.1696) |
| OKLCH | oklch(59.18% 0.171 262.4) |
| XYZ | xyz(22.7538, 20.1148, 74.6201) |
| Luminance | 0.2012 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Deep Sky Blue
#0D75F8
ΔE00 2.85
Clear Blue
#247AFD
ΔE00 3.01
Lightish Blue
#3D7AFD
ΔE00 3.09
Cornflower Blue
#5170D7
ΔE00 3.98
Cerulean Blue
#056EEE
ΔE00 4.03
Dodger Blue
#3E82FC
ΔE00 4.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4378E2 #E2AD43
analogous
#43C8E2 #4378E2 #5D43E2
triadic
#4378E2 #E24378 #78E243
tetradic
#4378E2 #E243C8 #E2AD43 #43E25D
square
#4378E2 #E243C8 #E2AD43 #43E25D
split-complementary
#4378E2 #E25D43 #C8E243
monochromatic
#174094 #1F58C9 #4378E2 #789EEA #ADC4F2
Accessibility & contrast
On white
4.18
#4378E2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.02
#4378E2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4378E2
5.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4378E2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4378E2 | 1.00 | 4.18 | 5.02 | 5.02 |
| #FFFFFF | 4.18 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.02 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.02 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F84E6
Deuteranopia (green-blind)
#1875E0
Tritanopia (blue-blind)
#0091A2
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #4378e2; /* rgb */ color: rgb(67, 120, 226); /* oklch */ color: oklch(59.2% 0.171 262.4);
Tailwind
colors: {
custom: {
50: '#899eec',
500: '#4378e2',
950: '#000000',
},
}SCSS
$custom: #4378e2; $custom-light: #899eec; $custom-dark: #000000;
JSON
{
"hex": "#4378e2",
"rgb": {
"r": 67,
"g": 120,
"b": 226
},
"hsl": {
"h": 220,
"s": 73.272,
"l": 57.451
},
"oklch": {
"l": 0.59177,
"c": 0.17108,
"h": 262.4
},
"luminance": 0.20117
}Semantic roles & 50–950 ramp
primary
#4378E2
secondary
#E1CBA0
accent
#B338F0
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0E16
muted
#7E7E84