#243F53#243F53
#243F53 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.5% C 0.048 H 241.9°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #243F53 |
|---|---|
| RGB | rgb(36, 63, 83) |
| HSL | hsl(206, 39%, 23%) |
| HSV | hsv(206, 57%, 33%) |
| CMYK | cmyk(56.6%, 24.1%, 0%, 67.5%) |
| CIE-LAB | lab(25.43, -3.69, -15.20) |
| CIE-LCH | lch(25.43, 15.64, 256.35°) |
| OKLab | oklab(35.54% -0.0226 -0.0424) |
| OKLCH | oklch(35.54% 0.048 241.9) |
| XYZ | xyz(4.0658, 4.5543, 8.8467) |
| Luminance | 0.0456 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 1.77
Dark Grey Blue
#29465B
ΔE00 2.28
Dark Slate Blue
#214761
ΔE00 3.34
Charcoal
#36454F
ΔE00 5.21
Prussian Blue
#004577
ΔE00 7.66
Marine Blue
#01386A
ΔE00 7.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#243F53 #533824
analogous
#24534F #243F53 #242753
triadic
#243F53 #53243F #3F5324
tetradic
#243F53 #4F2453 #533824 #275324
square
#243F53 #4F2453 #533824 #275324
split-complementary
#243F53 #532427 #534F24
monochromatic
#091015 #111F28 #243F53 #375F7E #4980A8
Accessibility & contrast
On white
10.99
#243F53 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#243F53 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #243F53
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##243F53 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##243F53 | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#363F54
Deuteranopia (green-blind)
#303A53
Tritanopia (blue-blind)
#094446
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #243f53; /* rgb */ color: rgb(36, 63, 83); /* oklch */ color: oklch(35.5% 0.048 241.9);
Tailwind
colors: {
custom: {
50: '#627383',
500: '#243f53',
950: '#000000',
},
}SCSS
$custom: #243f53; $custom-light: #627383; $custom-dark: #000000;
JSON
{
"hex": "#243f53",
"rgb": {
"r": 36,
"g": 63,
"b": 83
},
"hsl": {
"h": 205.532,
"s": 39.496,
"l": 23.333
},
"oklch": {
"l": 0.35544,
"c": 0.04807,
"h": 241.9
},
"luminance": 0.04555
}Semantic roles & 50–950 ramp
primary
#243F53
secondary
#87654C
accent
#8B58CF
background
#F6F7F8
surface
#EBEDEF
border
#C6C8CA
text
#05080A
muted
#7A7B7C