#437AAF#437AAF
#437AAF is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.5% C 0.101 H 249.2°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).
Color values
| HEX | #437AAF |
|---|---|
| RGB | rgb(67, 122, 175) |
| HSL | hsl(209, 45%, 47%) |
| HSV | hsv(209, 62%, 69%) |
| CMYK | cmyk(61.7%, 30.3%, 0%, 31.4%) |
| CIE-LAB | lab(49.74, -1.62, -33.57) |
| CIE-LCH | lch(49.74, 33.61, 267.24°) |
| OKLab | oklab(56.55% -0.0359 -0.0947) |
| OKLCH | oklch(56.55% 0.101 249.2) |
| XYZ | xyz(17.0093, 18.2059, 43.1668) |
| Luminance | 0.1821 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.03
Bluish
#2976BB
ΔE00 2.58
Flat Blue
#3C73A8
ΔE00 2.70
Steel Blue
#4682B4
ΔE00 3.12
Dull Blue
#49759C
ΔE00 3.18
Cool Blue
#4984B8
ΔE00 3.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#437AAF #AF7843
analogous
#43AFAE #437AAF #4344AF
triadic
#437AAF #AF437A #7AAF43
tetradic
#437AAF #AE43AF #AF7843 #44AF43
square
#437AAF #AE43AF #AF7843 #44AF43
split-complementary
#437AAF #AF4344 #AFAE43
monochromatic
#213C56 #325B83 #437AAF #6998C6 #96B7D7
Accessibility & contrast
On white
4.52
#437AAF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.64
#437AAF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #437AAF
4.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##437AAF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##437AAF | 1.00 | 4.52 | 4.64 | 4.64 |
| #FFFFFF | 4.52 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#637CB1
Deuteranopia (green-blind)
#5572AE
Tritanopia (blue-blind)
#00868D
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #437aaf; /* rgb */ color: rgb(67, 122, 175); /* oklch */ color: oklch(56.5% 0.101 249.2);
Tailwind
colors: {
custom: {
50: '#81a0c7',
500: '#437aaf',
950: '#000000',
},
}SCSS
$custom: #437aaf; $custom-light: #81a0c7; $custom-dark: #000000;
JSON
{
"hex": "#437aaf",
"rgb": {
"r": 67,
"g": 122,
"b": 175
},
"hsl": {
"h": 209.444,
"s": 44.628,
"l": 47.451
},
"oklch": {
"l": 0.56547,
"c": 0.10123,
"h": 249.2
},
"luminance": 0.18208
}Semantic roles & 50–950 ramp
primary
#437AAF
secondary
#C2A68B
accent
#9353D4
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82