#17150B
Closest named color: Almost Black (#070D0D). oklch(19.5% 0.019 98.2), rgb(23, 21, 11).
Aa
White text reads best on this color (18.28:1).
About this color
#17150B is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.048 away. White text reads best on it, at 18.28:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.14:1 |
| White text | 18.28:1 |
Values
| HEX | #17150B |
| RGB | rgb(23, 21, 11) |
| HSL | hsl(50, 35%, 7%) |
| OKLCH | oklch(19.5% 0.019 98.2) |
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 #17150B | 18.28:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #17150B | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #17150B text on white | 18.28:1 | AAA | Lc 104.9 | Preferred for body text |
| #17150B text on black | 1.14:1 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EBEAE5
oklch(93.6% 0.007 97.4)
-
Step 200
200
#DBD9D0
oklch(88.4% 0.012 96.4)
-
Step 300
300
#C4C1B1
oklch(80.9% 0.022 98.2)
-
Step 400
400
#A6A188
oklch(70.6% 0.036 97.9)
-
Step 500
500
#908A6A
oklch(63% 0.046 98.7)
-
Step 600
600
#7B7452
oklch(55.6% 0.05 97.9)
-
Step 700
700
#676143
oklch(49% 0.045 98.2)
-
Step 800
800
#544F37
oklch(42.6% 0.038 97.8)
-
Step 900
900
#464230
oklch(37.8% 0.029 97)
-
Step 950
950 (this color)
#17150B
oklch(19.5% 0.019 98.2)
#17150B 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) | #17140A | 0.004 |
| Deuteranopia (no green cones) | #17150B | 0.000 |
| Tritanopia (no blue cones) | #191412 | 0.016 |
| Achromatopsia (no color) | #151515 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17150B
#17150B
oklch(19.5% 0.019 98.2)
- #13141D
#13141D
oklch(19.5% 0.018 279.6)
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 #17150B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.048
- Rich Navy #001219 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.058
- Very Dark Brown #1D0200 ΔE 0.065
- Dark Brown #341C02 ΔE 0.071
- Jet #212529 ΔE 0.073
- Dark #1B2431 ΔE 0.078
- Dark Maroon #3C0008 ΔE 0.094
Use #17150B 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.