#437DAF#437DAF
#437DAF is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.2% C 0.099 H 246.6°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).
Color values
| HEX | #437DAF |
|---|---|
| RGB | rgb(67, 125, 175) |
| HSL | hsl(208, 45%, 47%) |
| HSV | hsv(208, 62%, 69%) |
| CMYK | cmyk(61.7%, 28.6%, 0%, 31.4%) |
| CIE-LAB | lab(50.63, -3.40, -32.18) |
| CIE-LCH | lch(50.63, 32.36, 263.97°) |
| OKLab | oklab(57.25% -0.0392 -0.0906) |
| OKLCH | oklch(57.25% 0.099 246.6) |
| XYZ | xyz(17.3834, 18.9540, 43.2915) |
| Luminance | 0.1896 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 1.89
Cool Blue
#4984B8
ΔE00 2.71
Windows Blue
#3778BF
ΔE00 2.98
Bluish
#2976BB
ΔE00 3.34
Off Blue
#5684AE
ΔE00 3.39
Stormy Blue
#507B9C
ΔE00 3.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#437DAF #AF7543
analogous
#43AFAB #437DAF #4347AF
triadic
#437DAF #AF437D #7DAF43
tetradic
#437DAF #AB43AF #AF7543 #47AF43
square
#437DAF #AB43AF #AF7543 #47AF43
split-complementary
#437DAF #AF4347 #AFAB43
monochromatic
#213E56 #325D83 #437DAF #699BC6 #96B9D7
Accessibility & contrast
On white
4.38
#437DAF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.79
#437DAF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #437DAF
4.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##437DAF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##437DAF | 1.00 | 4.38 | 4.79 | 4.79 |
| #FFFFFF | 4.38 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.79 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.79 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#677EB1
Deuteranopia (green-blind)
#5974AE
Tritanopia (blue-blind)
#00898E
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #437daf; /* rgb */ color: rgb(67, 125, 175); /* oklch */ color: oklch(57.2% 0.099 246.6);
Tailwind
colors: {
custom: {
50: '#81a2c7',
500: '#437daf',
950: '#000000',
},
}SCSS
$custom: #437daf; $custom-light: #81a2c7; $custom-dark: #000000;
JSON
{
"hex": "#437daf",
"rgb": {
"r": 67,
"g": 125,
"b": 175
},
"hsl": {
"h": 207.778,
"s": 44.628,
"l": 47.451
},
"oklch": {
"l": 0.57246,
"c": 0.09872,
"h": 246.6
},
"luminance": 0.18956
}Semantic roles & 50–950 ramp
primary
#437DAF
secondary
#C2A58B
accent
#8F53D4
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0F13
muted
#7C7E82