#28181E
Closest named color: Jet (#212529). oklch(23.2% 0.028 355.3), rgb(40, 24, 30).
Aa
White text reads best on this color (16.94:1).
About this color
#28181E is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.043 away. White text reads best on it, at 16.94:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.23:1 |
| White text | 16.94:1 |
Values
| HEX | #28181E |
| RGB | rgb(40, 24, 30) |
| HSL | hsl(338, 25%, 13%) |
| OKLCH | oklch(23.2% 0.028 355.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #28181E | 16.94:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #28181E | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #28181E text on white | 16.94:1 | AAA | Lc 103.8 | Preferred for body text |
| #28181E text on black | 1.23:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE7EA
oklch(93.5% 0.01 352.4)
-
Step 200
200
#E4D4D9
oklch(88.4% 0.019 356.5)
-
Step 300
300
#D3B8C1
oklch(80.8% 0.033 355.7)
-
Step 400
400
#BC94A2
oklch(70.8% 0.051 355.6)
-
Step 500
500
#AB798B
oklch(63.2% 0.067 355.8)
-
Step 600
600
#966175
oklch(55.6% 0.074 355.5)
-
Step 700
700
#7F5062
oklch(49% 0.068 355.3)
-
Step 800
800
#684250
oklch(42.7% 0.056 356)
-
Step 900
900
#543843
oklch(37.7% 0.043 354.1)
-
Step 950
950 (this color)
#28181E
oklch(23.2% 0.028 355.3)
#28181E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #1A1B1E | 0.029 |
| Deuteranopia (no green cones) | #1E1E1E | 0.028 |
| Tritanopia (no blue cones) | #2A171A | 0.008 |
| Achromatopsia (no color) | #1D1D1D | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28181E
#28181E
oklch(23.2% 0.028 355.3)
- #0E221D
#0E221D
oklch(23.3% 0.028 175.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28181E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.043
- Dark #1B2431 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.052
- Dark Brown #341C02 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.063
- Dark Maroon #3C0008 ΔE 0.067
- Chocolate Brown #411900 ΔE 0.071
- Eggplant #380835 ΔE 0.072
Use #28181E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.