#4377C3#4377C3
#4377C3 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.0% C 0.131 H 257.9°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).
Color values
| HEX | #4377C3 |
|---|---|
| RGB | rgb(67, 119, 195) |
| HSL | hsl(216, 52%, 51%) |
| HSV | hsv(216, 66%, 76%) |
| CMYK | cmyk(65.6%, 39%, 0%, 23.5%) |
| CIE-LAB | lab(49.89, 7.11, -44.87) |
| CIE-LCH | lch(49.89, 45.43, 279.00°) |
| OKLab | oklab(56.99% -0.0274 -0.1277) |
| OKLCH | oklch(56.99% 0.131 257.9) |
| XYZ | xyz(18.7584, 18.3252, 54.1677) |
| Luminance | 0.1833 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.23
Medium Blue
#2C6FBB
ΔE00 3.82
Bluish
#2976BB
ΔE00 3.90
Flat Blue
#3C73A8
ΔE00 4.11
Cerulean Blue
#056EEE
ΔE00 4.98
Dull Blue
#49759C
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4377C3 #C38F43
analogous
#43B7C3 #4377C3 #4F43C3
triadic
#4377C3 #C34377 #77C343
tetradic
#4377C3 #C343B7 #C38F43 #43C34F
square
#4377C3 #C343B7 #C38F43 #43C34F
split-complementary
#4377C3 #C34F43 #B7C343
monochromatic
#223F6A #315B98 #4377C3 #7199D2 #A0BAE1
Accessibility & contrast
On white
4.50
#4377C3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.67
#4377C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4377C3
4.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4377C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4377C3 | 1.00 | 4.50 | 4.67 | 4.67 |
| #FFFFFF | 4.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.67 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.67 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#557DC6
Deuteranopia (green-blind)
#4271C1
Tritanopia (blue-blind)
#008893
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #4377c3; /* rgb */ color: rgb(67, 119, 195); /* oklch */ color: oklch(57.0% 0.131 257.9);
Tailwind
colors: {
custom: {
50: '#849dd5',
500: '#4377c3',
950: '#000000',
},
}SCSS
$custom: #4377c3; $custom-light: #849dd5; $custom-dark: #000000;
JSON
{
"hex": "#4377c3",
"rgb": {
"r": 67,
"g": 119,
"b": 195
},
"hsl": {
"h": 215.625,
"s": 51.613,
"l": 51.373
},
"oklch": {
"l": 0.56991,
"c": 0.13057,
"h": 257.9
},
"luminance": 0.18327
}Semantic roles & 50–950 ramp
primary
#4377C3
secondary
#CDB695
accent
#A14DDB
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83