#1F1010
Closest named color: Very Dark Brown (#1D0200). oklch(19.4% 0.025 19.6), rgb(31, 16, 16).
Aa
White text reads best on this color (18.42:1).
About this color
#1F1010 is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.053 away. White text reads best on it, at 18.42:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.13:1 |
| White text | 18.42:1 |
Values
| HEX | #1F1010 |
| RGB | rgb(31, 16, 16) |
| HSL | hsl(0, 32%, 9%) |
| OKLCH | oklch(19.4% 0.025 19.6) |
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 #1F1010 | 18.42:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #1F1010 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #1F1010 text on white | 18.42:1 | AAA | Lc 105.0 | Preferred for body text |
| #1F1010 text on black | 1.13:1 | 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
#F0E8E7
oklch(93.7% 0.009 26)
-
Step 200
200
#E4D5D5
oklch(88.5% 0.017 17.5)
-
Step 300
300
#D4B9B9
oklch(80.9% 0.031 17.8)
-
Step 400
400
#BD9594
oklch(70.7% 0.048 20)
-
Step 500
500
#AC7B7A
oklch(63.2% 0.062 20.3)
-
Step 600
600
#976363
oklch(55.5% 0.068 19.4)
-
Step 700
700
#815252
oklch(49.1% 0.063 19.6)
-
Step 800
800
#694343
oklch(42.7% 0.053 19.5)
-
Step 900
900
#553939
oklch(37.7% 0.04 19.1)
-
Step 950
950 (this color)
#1F1010
oklch(19.4% 0.025 19.6)
#1F1010 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) | #131210 | 0.027 |
| Deuteranopia (no green cones) | #171510 | 0.024 |
| Tritanopia (no blue cones) | #220E10 | 0.009 |
| Achromatopsia (no color) | #141414 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F1010
#1F1010
oklch(19.4% 0.025 19.6)
- #051819
#051819
oklch(19.3% 0.026 199.8)
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 #1F1010, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.053
- Almost Black #070D0D ΔE 0.055
- Rich Black #0D1B2A ΔE 0.060
- Rich Navy #001219 ΔE 0.061
- Dark Brown #341C02 ΔE 0.072
- Dark Maroon #3C0008 ΔE 0.072
- Jet #212529 ΔE 0.075
- Dark #1B2431 ΔE 0.079
Use #1F1010 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.