#1F1111
Closest named color: Very Dark Brown (#1D0200). oklch(19.7% 0.024 19.4), rgb(31, 17, 17).
Aa
White text reads best on this color (18.31:1).
About this color
#1F1111 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.056 away. White text reads best on it, at 18.31:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.14:1 |
| White text | 18.31:1 |
Values
| HEX | #1F1111 |
| RGB | rgb(31, 17, 17) |
| HSL | hsl(0, 29%, 9%) |
| OKLCH | oklch(19.7% 0.024 19.4) |
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 #1F1111 | 18.31:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #1F1111 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #1F1111 text on white | 18.31:1 | AAA | Lc 104.9 | Preferred for body text |
| #1F1111 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#EFE8E8
oklch(93.6% 0.008 17.3)
-
Step 200
200
#E3D5D5
oklch(88.4% 0.016 17.5)
-
Step 300
300
#D2BAB9
oklch(80.9% 0.028 20.6)
-
Step 400
400
#BB9695
oklch(70.7% 0.045 20.1)
-
Step 500
500
#AA7C7B
oklch(63.2% 0.058 20.2)
-
Step 600
600
#946565
oklch(55.6% 0.061 19.2)
-
Step 700
700
#7E5353
oklch(49% 0.058 19.4)
-
Step 800
800
#674444
oklch(42.6% 0.049 19.3)
-
Step 900
900
#543A3A
oklch(37.8% 0.037 18.9)
-
Step 950
950 (this color)
#1F1111
oklch(19.7% 0.024 19.4)
#1F1111 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) | #141311 | 0.024 |
| Deuteranopia (no green cones) | #171611 | 0.024 |
| Tritanopia (no blue cones) | #220F11 | 0.009 |
| Achromatopsia (no color) | #151515 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F1111
#1F1111
oklch(19.7% 0.024 19.4)
- #071919
#071919
oklch(19.8% 0.024 195.4)
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 #1F1111, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.056
- Almost Black #070D0D ΔE 0.056
- Rich Black #0D1B2A ΔE 0.057
- Rich Navy #001219 ΔE 0.061
- Dark Brown #341C02 ΔE 0.070
- Jet #212529 ΔE 0.072
- Dark Maroon #3C0008 ΔE 0.073
- Dark #1B2431 ΔE 0.076
Use #1F1111 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.