#18241A
Closest named color: Jet (#212529). oklch(24.5% 0.025 149.3), rgb(24, 36, 26).
Aa
White text reads best on this color (16.07:1).
About this color
#18241A is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.033 away. White text reads best on it, at 16.07:1.
| Hue family | Neutrals |
| Lightness | very dark (25%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.30:1 |
| White text | 16.07:1 |
Values
| HEX | #18241A |
| RGB | rgb(24, 36, 26) |
| HSL | hsl(130, 20%, 12%) |
| OKLCH | oklch(24.5% 0.025 149.3) |
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 #18241A | 16.07:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #18241A | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #18241A text on white | 16.07:1 | AAA | Lc 103.0 | Preferred for body text |
| #18241A text on black | 1.30:1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE7
oklch(93.5% 0.008 151.9)
-
Step 200
200
#D2DCD3
oklch(88.4% 0.016 148.4)
-
Step 300
300
#B4C6B6
oklch(80.8% 0.03 148.5)
-
Step 400
400
#8CA991
oklch(70.6% 0.047 150)
-
Step 500
500
#709476
oklch(63.1% 0.06 149.4)
-
Step 600
600
#577E5E
oklch(55.5% 0.066 149.4)
-
Step 700
700
#476B4E
oklch(49.2% 0.062 149.7)
-
Step 800
800
#3B5740
oklch(42.7% 0.051 149.4)
-
Step 900
900
#334836
oklch(37.8% 0.04 148.5)
-
Step 950
950 (this color)
#18241A
oklch(24.5% 0.025 149.3)
#18241A 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) | #242219 | 0.021 |
| Deuteranopia (no green cones) | #22211B | 0.020 |
| Tritanopia (no blue cones) | #162421 | 0.013 |
| Achromatopsia (no color) | #212121 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18241A
#18241A
oklch(24.5% 0.025 149.3)
- #271C26
#271C26
oklch(24.4% 0.025 329.3)
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 #18241A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.033
- Dark #1B2431 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.055
- Dark Brown #341C02 ΔE 0.058
- Dark Forest Green #002D04 ΔE 0.059
- Very Dark Green #062E03 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.062
- Pakistan Green #283618 ΔE 0.073
Use #18241A 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.