#4375B9#4375B9
#4375B9 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 56.0% C 0.119 H 256.6°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #4375B9 |
|---|---|
| RGB | rgb(67, 117, 185) |
| HSL | hsl(215, 47%, 49%) |
| HSV | hsv(215, 64%, 73%) |
| CMYK | cmyk(63.8%, 36.8%, 0%, 27.5%) |
| CIE-LAB | lab(48.78, 4.84, -40.87) |
| CIE-LCH | lch(48.78, 41.16, 276.75°) |
| OKLab | oklab(55.96% -0.0277 -0.116) |
| OKLCH | oklch(55.96% 0.119 256.6) |
| XYZ | xyz(17.4298, 17.4170, 48.3328) |
| Luminance | 0.1742 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.21
Medium Blue
#2C6FBB
ΔE00 2.91
Flat Blue
#3C73A8
ΔE00 2.98
Bluish
#2976BB
ΔE00 3.42
French Blue
#436BAD
ΔE00 4.00
Dull Blue
#49759C
ΔE00 4.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4375B9 #B98743
analogous
#43B0B9 #4375B9 #4C43B9
triadic
#4375B9 #B94375 #75B943
tetradic
#4375B9 #B943B0 #B98743 #43B94C
square
#4375B9 #B943B0 #B98743 #43B94C
split-complementary
#4375B9 #B94C43 #B0B943
monochromatic
#223C5F #33598C #4375B9 #6F96CB #9BB6DB
Accessibility & contrast
On white
4.68
#4375B9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.48
#4375B9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4375B9
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4375B9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4375B9 | 1.00 | 4.68 | 4.48 | 4.68 |
| #FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#577ABC
Deuteranopia (green-blind)
#476FB8
Tritanopia (blue-blind)
#00858E
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #4375b9; /* rgb */ color: rgb(67, 117, 185); /* oklch */ color: oklch(56.0% 0.119 256.6);
Tailwind
colors: {
custom: {
50: '#829cce',
500: '#4375b9',
950: '#000000',
},
}SCSS
$custom: #4375b9; $custom-light: #829cce; $custom-dark: #000000;
JSON
{
"hex": "#4375b9",
"rgb": {
"r": 67,
"g": 117,
"b": 185
},
"hsl": {
"h": 214.576,
"s": 46.825,
"l": 49.412
},
"oklch": {
"l": 0.55956,
"c": 0.11925,
"h": 256.6
},
"luminance": 0.17419
}Semantic roles & 50–950 ramp
primary
#4375B9
secondary
#C7B091
accent
#9E51D6
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0B0E13
muted
#7C7E82