#437BC2#437BC2
#437BC2 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.8% C 0.125 H 255.3°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).
Color values
| HEX | #437BC2 |
|---|---|
| RGB | rgb(67, 123, 194) |
| HSL | hsl(214, 51%, 51%) |
| HSV | hsv(214, 65%, 76%) |
| CMYK | cmyk(65.5%, 36.6%, 0%, 23.9%) |
| CIE-LAB | lab(50.98, 4.32, -42.57) |
| CIE-LCH | lch(50.98, 42.79, 275.79°) |
| OKLab | oklab(57.83% -0.0317 -0.1209) |
| OKLCH | oklch(57.83% 0.125 255.3) |
| XYZ | xyz(19.1318, 19.2524, 53.7363) |
| Luminance | 0.1925 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.82
Bluish
#2976BB
ΔE00 3.61
Steel Blue
#4682B4
ΔE00 3.94
Cool Blue
#4984B8
ΔE00 4.00
Flat Blue
#3C73A8
ΔE00 4.44
Off Blue
#5684AE
ΔE00 4.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#437BC2 #C28A43
analogous
#43BAC2 #437BC2 #4A43C2
triadic
#437BC2 #C2437B #7BC243
tetradic
#437BC2 #C243BA #C28A43 #43C24A
square
#437BC2 #C243BA #C28A43 #43C24A
split-complementary
#437BC2 #C24A43 #BAC243
monochromatic
#224169 #315E97 #437BC2 #719BD1 #9FBCE0
Accessibility & contrast
On white
4.33
#437BC2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.85
#437BC2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #437BC2
4.85:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##437BC2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##437BC2 | 1.00 | 4.33 | 4.85 | 4.85 |
| #FFFFFF | 4.33 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.85 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.85 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C80C5
Deuteranopia (green-blind)
#4A74C1
Tritanopia (blue-blind)
#008B95
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #437bc2; /* rgb */ color: rgb(67, 123, 194); /* oklch */ color: oklch(57.8% 0.125 255.3);
Tailwind
colors: {
custom: {
50: '#84a0d5',
500: '#437bc2',
950: '#000000',
},
}SCSS
$custom: #437bc2; $custom-light: #84a0d5; $custom-dark: #000000;
JSON
{
"hex": "#437bc2",
"rgb": {
"r": 67,
"g": 123,
"b": 194
},
"hsl": {
"h": 213.543,
"s": 51.004,
"l": 51.176
},
"oklch": {
"l": 0.57825,
"c": 0.12495,
"h": 255.3
},
"luminance": 0.19254
}Semantic roles & 50–950 ramp
primary
#437BC2
secondary
#CCB494
accent
#9C4DDA
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83