#18150B
Closest named color: Almost Black (#070D0D). oklch(19.6% 0.019 93.4), rgb(24, 21, 11).
Aa
White text reads best on this color (18.24:1).
About this color
#18150B is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.050 away. White text reads best on it, at 18.24:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.15:1 |
| White text | 18.24:1 |
Values
| HEX | #18150B |
| RGB | rgb(24, 21, 11) |
| HSL | hsl(46, 37%, 7%) |
| OKLCH | oklch(19.6% 0.019 93.4) |
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 #18150B | 18.24:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #18150B | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #18150B text on white | 18.24:1 | AAA | Lc 104.9 | Preferred for body text |
| #18150B text on black | 1.15:1 | 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
#DCD9D0
oklch(88.5% 0.013 91.5)
-
Step 300
300
#C5C1B0
oklch(80.9% 0.024 96)
-
Step 400
400
#A8A187
oklch(70.8% 0.037 94.7)
-
Step 500
500
#93896A
oklch(63.1% 0.046 92.3)
-
Step 600
600
#7D7351
oklch(55.6% 0.051 93.7)
-
Step 700
700
#6A6042
oklch(49.1% 0.046 91.8)
-
Step 800
800
#564F36
oklch(42.7% 0.04 94.3)
-
Step 900
900
#47412F
oklch(37.6% 0.03 91.8)
-
Step 950
950 (this color)
#18150B
oklch(19.6% 0.019 93.4)
#18150B 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) | #17150A | 0.003 |
| Deuteranopia (no green cones) | #18160B | 0.004 |
| Tritanopia (no blue cones) | #1A1412 | 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°).
- #18150B
#18150B
oklch(19.6% 0.019 93.4)
- #12151E
#12151E
oklch(19.7% 0.019 270.3)
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 #18150B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.050
- Rich Navy #001219 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.058
- Very Dark Brown #1D0200 ΔE 0.065
- Dark Brown #341C02 ΔE 0.069
- Jet #212529 ΔE 0.072
- Dark #1B2431 ΔE 0.077
- Dark Maroon #3C0008 ΔE 0.092
Use #18150B 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.