#23170F
Closest named color: Dark Brown (#341C02). oklch(21.8% 0.024 54.7), rgb(35, 23, 15).
Aa
White text reads best on this color (17.48:1).
About this color
#23170F is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.047 away. White text reads best on it, at 17.48:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.20:1 |
| White text | 17.48:1 |
Values
| HEX | #23170F |
| RGB | rgb(35, 23, 15) |
| HSL | hsl(24, 40%, 10%) |
| OKLCH | oklch(21.8% 0.024 54.7) |
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 #23170F | 17.48:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #23170F | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #23170F text on white | 17.48:1 | AAA | Lc 104.3 | Preferred for body text |
| #23170F text on black | 1.20:1 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E2D7CF
oklch(88.6% 0.016 58.6)
-
Step 300
300
#D0BCAF
oklch(80.8% 0.029 55.2)
-
Step 400
400
#B89986
oklch(70.6% 0.046 53.3)
-
Step 500
500
#A68067
oklch(63% 0.059 54.7)
-
Step 600
600
#91694F
oklch(55.5% 0.064 54)
-
Step 700
700
#7C583F
oklch(49.2% 0.061 55.6)
-
Step 800
800
#644834
oklch(42.7% 0.049 56.5)
-
Step 900
900
#523C2E
oklch(37.7% 0.039 53.7)
-
Step 950
950 (this color)
#23170F
oklch(21.8% 0.024 54.7)
#23170F 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) | #1A180E | 0.019 |
| Deuteranopia (no green cones) | #1D1B0F | 0.018 |
| Tritanopia (no blue cones) | #261515 | 0.016 |
| Achromatopsia (no color) | #1A1A1A | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23170F
#23170F
oklch(21.8% 0.024 54.7)
- #0E1C24
#0E1C24
oklch(21.8% 0.025 234.6)
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 #23170F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.047
- Jet #212529 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.059
- Dark #1B2431 ΔE 0.065
- Chocolate Brown #411900 ΔE 0.071
- Dark Maroon #3C0008 ΔE 0.072
- Almost Black #070D0D ΔE 0.073
- Very Dark Brown #1D0200 ΔE 0.074
Use #23170F 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.