#180C09
Closest named color: Almost Black (#070D0D). oklch(17.1% 0.022 34.8), rgb(24, 12, 9).
Aa
White text reads best on this color (19.17:1).
About this color
#180C09 is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.036 away. White text reads best on it, at 19.17:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.09:1 |
| White text | 19.17:1 |
Values
| HEX | #180C09 |
| RGB | rgb(24, 12, 9) |
| HSL | hsl(12, 45%, 6%) |
| OKLCH | oklch(17.1% 0.022 34.8) |
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 #180C09 | 19.17:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #180C09 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #180C09 text on white | 19.17:1 | AAA | Lc 105.5 | Preferred for body text |
| #180C09 text on black | 1.09:1 | 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
#F8F5F4
oklch(97.2% 0.003 39.5)
-
Step 100
100
#EFE8E6
oklch(93.6% 0.008 36.6)
-
Step 200
200
#E2D6D3
oklch(88.5% 0.014 34.3)
-
Step 300
300
#D1BBB5
oklch(80.9% 0.027 35.7)
-
Step 400
400
#B9988F
oklch(70.7% 0.042 35.7)
-
Step 500
500
#A77E74
oklch(63% 0.053 34.1)
-
Step 600
600
#92675C
oklch(55.5% 0.058 34.9)
-
Step 700
700
#7C564C
oklch(49.1% 0.053 35.3)
-
Step 800
800
#65463E
oklch(42.6% 0.045 35)
-
Step 900
900
#523B35
oklch(37.6% 0.034 35.1)
-
Step 950
950 (this color)
#180C09
oklch(17.1% 0.022 34.8)
#180C09 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) | #0F0E09 | 0.021 |
| Deuteranopia (no green cones) | #121009 | 0.019 |
| Tritanopia (no blue cones) | #1B0A0B | 0.011 |
| Achromatopsia (no color) | #0F0F0F | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180C09
#180C09
oklch(17.1% 0.022 34.8)
- #041215
#041215
oklch(17% 0.022 211.9)
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 #180C09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.036
- Very Dark Brown #1D0200 ΔE 0.037
- Rich Navy #001219 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.072
- Dark Maroon #3C0008 ΔE 0.088
- Dark Brown #341C02 ΔE 0.091
- Jet #212529 ΔE 0.096
- Dark #1B2431 ΔE 0.099
Use #180C09 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.