#437FC5#437FC5
#437FC5 is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.9% C 0.125 H 253.7°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).
Color values
| HEX | #437FC5 |
|---|---|
| RGB | rgb(67, 127, 197) |
| HSL | hsl(212, 53%, 52%) |
| HSV | hsv(212, 66%, 77%) |
| CMYK | cmyk(66%, 35.5%, 0%, 22.7%) |
| CIE-LAB | lab(52.29, 2.94, -42.21) |
| CIE-LCH | lch(52.29, 42.32, 273.99°) |
| OKLab | oklab(58.9% -0.035 -0.1198) |
| OKLCH | oklch(58.9% 0.125 253.7) |
| XYZ | xyz(19.9785, 20.4013, 55.6975) |
| Luminance | 0.2040 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.79
Cool Blue
#4984B8
ΔE00 2.85
Steel Blue
#4682B4
ΔE00 3.08
Off Blue
#5684AE
ΔE00 3.84
Bluish
#2976BB
ΔE00 4.29
Dusty Blue
#5A86AD
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#437FC5 #C58943
analogous
#43C0C5 #437FC5 #4843C5
triadic
#437FC5 #C5437F #7FC543
tetradic
#437FC5 #C543C0 #C58943 #43C548
square
#437FC5 #C543C0 #C58943 #43C548
split-complementary
#437FC5 #C54843 #C0C543
monochromatic
#21446C #30619B #437FC5 #729FD3 #A1BFE2
Accessibility & contrast
On white
4.13
#437FC5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.08
#437FC5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #437FC5
5.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##437FC5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##437FC5 | 1.00 | 4.13 | 5.08 | 5.08 |
| #FFFFFF | 4.13 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.08 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.08 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6083C8
Deuteranopia (green-blind)
#4E77C4
Tritanopia (blue-blind)
#008F99
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #437fc5; /* rgb */ color: rgb(67, 127, 197); /* oklch */ color: oklch(58.9% 0.125 253.7);
Tailwind
colors: {
custom: {
50: '#84a3d7',
500: '#437fc5',
950: '#000000',
},
}SCSS
$custom: #437fc5; $custom-light: #84a3d7; $custom-dark: #000000;
JSON
{
"hex": "#437fc5",
"rgb": {
"r": 67,
"g": 127,
"b": 197
},
"hsl": {
"h": 212.308,
"s": 52.846,
"l": 51.765
},
"oklch": {
"l": 0.58896,
"c": 0.12479,
"h": 253.7
},
"luminance": 0.20403
}Semantic roles & 50–950 ramp
primary
#437FC5
secondary
#CEB495
accent
#994CDC
background
#F8FAFD
surface
#F0F3FA
border
#CBCDD3
text
#0C0F14
muted
#7D7F83