#437CBE#437CBE
#437CBE is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.8% C 0.119 H 253.5°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).
Color values
| HEX | #437CBE |
|---|---|
| RGB | rgb(67, 124, 190) |
| HSL | hsl(212, 49%, 50%) |
| HSV | hsv(212, 65%, 75%) |
| CMYK | cmyk(64.7%, 34.7%, 0%, 25.5%) |
| CIE-LAB | lab(51.06, 2.32, -40.14) |
| CIE-LCH | lch(51.06, 40.21, 273.31°) |
| OKLab | oklab(57.82% -0.0337 -0.1138) |
| OKLCH | oklch(57.82% 0.119 253.5) |
| XYZ | xyz(18.8133, 19.3245, 51.4437) |
| Luminance | 0.1933 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.73
Steel Blue
#4682B4
ΔE00 3.28
Bluish
#2976BB
ΔE00 3.34
Cool Blue
#4984B8
ΔE00 3.41
Off Blue
#5684AE
ΔE00 4.11
Flat Blue
#3C73A8
ΔE00 4.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#437CBE #BE8543
analogous
#43BABE #437CBE #4743BE
triadic
#437CBE #BE437C #7CBE43
tetradic
#437CBE #BE43BA #BE8543 #43BE47
square
#437CBE #BE43BA #BE8543 #43BE47
split-complementary
#437CBE #BE4743 #BABE43
monochromatic
#234164 #325E91 #437CBE #709CCE #9EBBDD
Accessibility & contrast
On white
4.32
#437CBE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.87
#437CBE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #437CBE
4.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##437CBE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##437CBE | 1.00 | 4.32 | 4.87 | 4.87 |
| #FFFFFF | 4.32 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.87 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.87 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F80C1
Deuteranopia (green-blind)
#4E74BD
Tritanopia (blue-blind)
#008B94
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #437cbe; /* rgb */ color: rgb(67, 124, 190); /* oklch */ color: oklch(57.8% 0.119 253.5);
Tailwind
colors: {
custom: {
50: '#83a1d2',
500: '#437cbe',
950: '#000000',
},
}SCSS
$custom: #437cbe; $custom-light: #83a1d2; $custom-dark: #000000;
JSON
{
"hex": "#437cbe",
"rgb": {
"r": 67,
"g": 124,
"b": 190
},
"hsl": {
"h": 212.195,
"s": 48.617,
"l": 50.392
},
"oklch": {
"l": 0.57823,
"c": 0.11868,
"h": 253.5
},
"luminance": 0.19326
}Semantic roles & 50–950 ramp
primary
#437CBE
secondary
#CAB093
accent
#9950D8
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82