#231815
Closest named color: Jet (#212529). oklch(22.2% 0.019 35.8), rgb(35, 24, 21).
Aa
White text reads best on this color (17.31:1).
About this color
#231815 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.049 away. White text reads best on it, at 17.31:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.21:1 |
| White text | 17.31:1 |
Values
| HEX | #231815 |
| RGB | rgb(35, 24, 21) |
| HSL | hsl(13, 25%, 11%) |
| OKLCH | oklch(22.2% 0.019 35.8) |
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 #231815 | 17.31:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #231815 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #231815 text on white | 17.31:1 | AAA | Lc 104.2 | Preferred for body text |
| #231815 text on black | 1.21:1 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EEE8E7
oklch(93.5% 0.007 28.8)
-
Step 200
200
#E1D6D4
oklch(88.4% 0.012 29.9)
-
Step 300
300
#CEBCB7
oklch(80.9% 0.022 36)
-
Step 400
400
#B59992
oklch(70.6% 0.035 34.3)
-
Step 500
500
#A38077
oklch(63.1% 0.046 34.8)
-
Step 600
600
#8E695F
oklch(55.6% 0.05 35.7)
-
Step 700
700
#78584F
oklch(49.1% 0.045 36.3)
-
Step 800
800
#624841
oklch(42.8% 0.038 35.6)
-
Step 900
900
#503C37
oklch(37.7% 0.03 34.4)
-
Step 950
950 (this color)
#231815
oklch(22.2% 0.019 35.8)
#231815 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) | #1A1915 | 0.019 |
| Deuteranopia (no green cones) | #1D1B15 | 0.016 |
| Tritanopia (no blue cones) | #261617 | 0.011 |
| Achromatopsia (no color) | #1B1B1B | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231815
#231815
oklch(22.2% 0.019 35.8)
- #111D21
#111D21
oklch(22.1% 0.019 220.7)
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 #231815, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.049
- Dark Brown #341C02 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.052
- Dark #1B2431 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.072
- Dark Maroon #3C0008 ΔE 0.073
- Rich Navy #001219 ΔE 0.073
- Oxford Blue #1B263B ΔE 0.074
Use #231815 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.