#231E17
Closest named color: Jet (#212529). oklch(23.8% 0.015 76.2), rgb(35, 30, 23).
Aa
White text reads best on this color (16.54:1).
About this color
#231E17 is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.034 away. White text reads best on it, at 16.54:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.26:1 |
| White text | 16.54:1 |
Values
| HEX | #231E17 |
| RGB | rgb(35, 30, 23) |
| HSL | hsl(35, 21%, 11%) |
| OKLCH | oklch(23.8% 0.015 76.2) |
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 #231E17 | 16.54:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #231E17 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #231E17 text on white | 16.54:1 | AAA | Lc 103.5 | Preferred for body text |
| #231E17 text on black | 1.26:1 | 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
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#ECE9E6
oklch(93.6% 0.005 67.8)
-
Step 200
200
#DDD8D2
oklch(88.5% 0.01 72.7)
-
Step 300
300
#C7BFB4
oklch(80.8% 0.018 76.1)
-
Step 400
400
#AB9F8D
oklch(70.8% 0.029 78.1)
-
Step 500
500
#968771
oklch(63.1% 0.037 77.4)
-
Step 600
600
#81715A
oklch(55.7% 0.039 76.7)
-
Step 700
700
#6D5E49
oklch(49.1% 0.037 76)
-
Step 800
800
#594D3C
oklch(42.7% 0.031 76.3)
-
Step 900
900
#494034
oklch(37.7% 0.023 74.9)
-
Step 950
950 (this color)
#231E17
oklch(23.8% 0.015 76.2)
#231E17 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) | #201E17 | 0.006 |
| Deuteranopia (no green cones) | #211F17 | 0.005 |
| Tritanopia (no blue cones) | #251D1C | 0.012 |
| Achromatopsia (no color) | #1F1F1F | 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 #231E17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.034
- Dark Brown #341C02 ΔE 0.042
- Dark #1B2431 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.055
- Oxford Blue #1B263B ΔE 0.065
- Chocolate Brown #411900 ΔE 0.067
- Dark Forest Green #002D04 ΔE 0.081
- Very Dark Green #062E03 ΔE 0.081
Use #231E17 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.