#042433#042433
#042433 is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.6% C 0.046 H 233.2°. Best body text is #FFFFFF at 16.09:1 contrast (WCAG AA passes).
Color values
| HEX | #042433 |
|---|---|
| RGB | rgb(4, 36, 51) |
| HSL | hsl(199, 85%, 11%) |
| HSV | hsv(199, 92%, 20%) |
| CMYK | cmyk(92.2%, 29.4%, 0%, 80%) |
| CIE-LAB | lab(12.77, -5.13, -13.11) |
| CIE-LCH | lch(12.77, 14.08, 248.64°) |
| OKLab | oklab(24.58% -0.0277 -0.037) |
| OKLCH | oklch(24.58% 0.046 233.2) |
| XYZ | xyz(1.2782, 1.5264, 3.3586) |
| Luminance | 0.0153 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark
#1B2431
ΔE00 6.49
Dark Blue Grey
#1F3B4D
ΔE00 7.36
Gunmetal
#2A3439
ΔE00 8.35
Dark Grey Blue
#29465B
ΔE00 11.07
Marine
#042E60
ΔE00 11.25
Midnight Blue
#191970
ΔE00 11.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#042433 #331304
analogous
#04332A #042433 #040C33
triadic
#042433 #330424 #243304
tetradic
#042433 #2A0433 #331304 #0C3304
square
#042433 #2A0433 #331304 #0C3304
split-complementary
#042433 #33040C #332A04
monochromatic
#02141C #02141C #042433 #084C6C #0D74A4
Accessibility & contrast
On white
16.09
#042433 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.31
#042433 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #042433
16.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##042433 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##042433 | 1.00 | 16.09 | 1.31 | 16.09 |
| #FFFFFF | 16.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1D2434
Deuteranopia (green-blind)
#161F33
Tritanopia (blue-blind)
#002829
Achromatopsia (no color)
#212121
Design tokens & code
CSS
--color: #042433; /* rgb */ color: rgb(4, 36, 51); /* oklch */ color: oklch(24.6% 0.046 233.2);
Tailwind
colors: {
custom: {
50: '#4c5e6a',
500: '#042433',
950: '#000000',
},
}SCSS
$custom: #042433; $custom-light: #4c5e6a; $custom-dark: #000000;
JSON
{
"hex": "#042433",
"rgb": {
"r": 4,
"g": 36,
"b": 51
},
"hsl": {
"h": 199.149,
"s": 85.455,
"l": 10.784
},
"oklch": {
"l": 0.24576,
"c": 0.04621,
"h": 233.2
},
"luminance": 0.01527
}Semantic roles & 50–950 ramp
primary
#042433
secondary
#753A1D
accent
#6E2CFC
background
#F4F5F6
surface
#E7E9EB
border
#C3C5C6
text
#010406
muted
#77797A