#231A19
Closest named color: Jet (#212529). oklch(22.8% 0.015 25.6), rgb(35, 26, 25).
Aa
White text reads best on this color (17.02:1).
About this color
#231A19 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.040 away. White text reads best on it, at 17.02:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.23:1 |
| White text | 17.02:1 |
Values
| HEX | #231A19 |
| RGB | rgb(35, 26, 25) |
| HSL | hsl(6, 17%, 12%) |
| OKLCH | oklch(22.8% 0.015 25.6) |
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 #231A19 | 17.02:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #231A19 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #231A19 text on white | 17.02:1 | AAA | Lc 103.9 | Preferred for body text |
| #231A19 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EDE9E8
oklch(93.7% 0.005 34.3)
-
Step 200
200
#DFD7D6
oklch(88.5% 0.009 26)
-
Step 300
300
#CCBDBB
oklch(81% 0.017 26.7)
-
Step 400
400
#B19A98
oklch(70.6% 0.028 23.7)
-
Step 500
500
#9E827F
oklch(63.2% 0.035 25.3)
-
Step 600
600
#896B68
oklch(55.6% 0.039 25)
-
Step 700
700
#745956
oklch(49.1% 0.036 25.8)
-
Step 800
800
#5E4947
oklch(42.7% 0.029 24.7)
-
Step 900
900
#4D3D3B
oklch(37.7% 0.023 26.5)
-
Step 950
950 (this color)
#231A19
oklch(22.8% 0.015 25.6)
#231A19 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) | #1C1B19 | 0.014 |
| Deuteranopia (no green cones) | #1E1D19 | 0.014 |
| Tritanopia (no blue cones) | #25191A | 0.006 |
| Achromatopsia (no color) | #1C1C1C | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #231A19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.040
- Rich Black #0D1B2A ΔE 0.048
- Dark #1B2431 ΔE 0.049
- Dark Brown #341C02 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.066
- Chocolate Brown #411900 ΔE 0.072
- Rich Navy #001219 ΔE 0.075
- Dark Maroon #3C0008 ΔE 0.076
Use #231A19 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.