#43537B#43537B
#43537B is a dark, moderate blue. Relative luminance 0.088; OKLCH L 44.7% C 0.069 H 267.0°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).
Color values
| HEX | #43537B |
|---|---|
| RGB | rgb(67, 83, 123) |
| HSL | hsl(223, 29%, 37%) |
| HSV | hsv(223, 46%, 48%) |
| CMYK | cmyk(45.5%, 32.5%, 0%, 51.8%) |
| CIE-LAB | lab(35.61, 5.27, -24.63) |
| CIE-LCH | lch(35.61, 25.18, 282.07°) |
| OKLab | oklab(44.67% -0.0037 -0.069) |
| OKLCH | oklch(44.67% 0.069 267) |
| XYZ | xyz(8.9820, 8.8094, 19.9621) |
| Luminance | 0.0881 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk
#4E5481
ΔE00 3.34
Twilight
#4E518B
ΔE00 4.64
Denim Blue
#3B5B92
ΔE00 5.38
Dusky Blue
#475F94
ΔE00 5.42
Dusk Blue
#26538D
ΔE00 6.40
Light Navy Blue
#2E5A88
ΔE00 6.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#43537B #7B6B43
analogous
#436F7B #43537B #4F437B
triadic
#43537B #7B4353 #537B43
tetradic
#43537B #7B436F #7B6B43 #437B4F
square
#43537B #7B436F #7B6B43 #437B4F
split-complementary
#43537B #7B4F43 #6F7B43
monochromatic
#181E2C #2D3853 #43537B #596EA3 #7F90B9
Accessibility & contrast
On white
7.60
#43537B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.76
#43537B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #43537B
7.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##43537B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##43537B | 1.00 | 7.60 | 2.76 | 7.60 |
| #FFFFFF | 7.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#45567D
Deuteranopia (green-blind)
#3F517A
Tritanopia (blue-blind)
#2F5B61
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #43537b; /* rgb */ color: rgb(67, 83, 123); /* oklch */ color: oklch(44.7% 0.069 267.0);
Tailwind
colors: {
custom: {
50: '#7a83a1',
500: '#43537b',
950: '#000000',
},
}SCSS
$custom: #43537b; $custom-light: #7a83a1; $custom-dark: #000000;
JSON
{
"hex": "#43537b",
"rgb": {
"r": 67,
"g": 83,
"b": 123
},
"hsl": {
"h": 222.857,
"s": 29.474,
"l": 37.255
},
"oklch": {
"l": 0.44672,
"c": 0.06908,
"h": 267
},
"luminance": 0.0881
}Semantic roles & 50–950 ramp
primary
#43537B
secondary
#A49775
accent
#A962C6
background
#F7F7F9
surface
#EEEEF2
border
#C9C9CC
text
#090A0F
muted
#7B7C7E