#042023#042023
#042023 is a very dark, muted teal. Relative luminance 0.012; OKLCH L 22.4% C 0.034 H 205.0°. Best body text is #FFFFFF at 16.99:1 contrast (WCAG AA passes).
Color values
| HEX | #042023 |
|---|---|
| RGB | rgb(4, 32, 35) |
| HSL | hsl(186, 79%, 8%) |
| HSV | hsv(186, 89%, 14%) |
| CMYK | cmyk(88.6%, 8.6%, 0%, 86.3%) |
| CIE-LAB | lab(10.41, -9.25, -5.15) |
| CIE-LCH | lch(10.41, 10.59, 209.09°) |
| OKLab | oklab(22.41% -0.0307 -0.0143) |
| OKLCH | oklch(22.41% 0.034 205) |
| XYZ | xyz(0.8698, 1.1801, 1.7717) |
| Luminance | 0.0118 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Gunmetal
#2A3439
ΔE00 9.80
Almost Black
#070D0D
ΔE00 9.86
Dark
#1B2431
ΔE00 11.44
Charcoal (survey)
#343837
ΔE00 12.20
Dark Blue Grey
#1F3B4D
ΔE00 12.24
Black
#000000
ΔE00 12.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#042023 #230704
analogous
#042316 #042023 #041123
triadic
#042023 #230420 #202304
tetradic
#042023 #160423 #230704 #112304
square
#042023 #160423 #230704 #112304
split-complementary
#042023 #230411 #231604
monochromatic
#03191B #03191B #042023 #0A525A #118491
Accessibility & contrast
On white
16.99
#042023 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#042023 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #042023
16.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##042023 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##042023 | 1.00 | 16.99 | 1.24 | 16.99 |
| #FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1C1E23
Deuteranopia (green-blind)
#181B23
Tritanopia (blue-blind)
#002221
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #042023; /* rgb */ color: rgb(4, 32, 35); /* oklch */ color: oklch(22.4% 0.034 205.0);
Tailwind
colors: {
custom: {
50: '#495b5d',
500: '#042023',
950: '#000000',
},
}SCSS
$custom: #042023; $custom-light: #495b5d; $custom-dark: #000000;
JSON
{
"hex": "#042023",
"rgb": {
"r": 4,
"g": 32,
"b": 35
},
"hsl": {
"h": 185.806,
"s": 79.487,
"l": 7.647
},
"oklch": {
"l": 0.22412,
"c": 0.03386,
"h": 205
},
"luminance": 0.0118
}Semantic roles & 50–950 ramp
primary
#042023
secondary
#66241D
accent
#4532F6
background
#F4F5F5
surface
#E7E9E9
border
#C3C5C5
text
#010404
muted
#777979