#4374B3#4374B3
#4374B3 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.4% C 0.112 H 255.5°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).
Color values
| HEX | #4374B3 |
|---|---|
| RGB | rgb(67, 116, 179) |
| HSL | hsl(214, 46%, 48%) |
| HSV | hsv(214, 63%, 70%) |
| CMYK | cmyk(62.6%, 35.2%, 0%, 29.8%) |
| CIE-LAB | lab(48.18, 3.37, -38.35) |
| CIE-LCH | lch(48.18, 38.50, 275.02°) |
| OKLab | oklab(55.39% -0.0282 -0.1086) |
| OKLCH | oklch(55.39% 0.112 255.5) |
| XYZ | xyz(16.6939, 16.9372, 45.0285) |
| Luminance | 0.1694 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 2.35
Windows Blue
#3778BF
ΔE00 2.48
Medium Blue
#2C6FBB
ΔE00 2.59
Bluish
#2976BB
ΔE00 3.29
French Blue
#436BAD
ΔE00 3.54
Dull Blue
#49759C
ΔE00 3.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4374B3 #B38243
analogous
#43ACB3 #4374B3 #4A43B3
triadic
#4374B3 #B34374 #74B343
tetradic
#4374B3 #B343AC #B38243 #43B34A
square
#4374B3 #B343AC #B38243 #43B34A
split-complementary
#4374B3 #B34A43 #ACB343
monochromatic
#223A5A #325786 #4374B3 #6B94C8 #98B4D8
Accessibility & contrast
On white
4.79
#4374B3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.39
#4374B3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4374B3
4.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4374B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4374B3 | 1.00 | 4.79 | 4.39 | 4.79 |
| #FFFFFF | 4.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5978B6
Deuteranopia (green-blind)
#4A6EB2
Tritanopia (blue-blind)
#00828B
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #4374b3; /* rgb */ color: rgb(67, 116, 179); /* oklch */ color: oklch(55.4% 0.112 255.5);
Tailwind
colors: {
custom: {
50: '#819bca',
500: '#4374b3',
950: '#000000',
},
}SCSS
$custom: #4374b3; $custom-light: #819bca; $custom-dark: #000000;
JSON
{
"hex": "#4374b3",
"rgb": {
"r": 67,
"g": 116,
"b": 179
},
"hsl": {
"h": 213.75,
"s": 45.528,
"l": 48.235
},
"oklch": {
"l": 0.55386,
"c": 0.11223,
"h": 255.5
},
"luminance": 0.16939
}Semantic roles & 50–950 ramp
primary
#4374B3
secondary
#C4AC8D
accent
#9C53D5
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82