#1F091C
Closest named color: Very Dark Purple (#2A0134). oklch(18.5% 0.049 332.8), rgb(31, 9, 28).
Aa
White text reads best on this color (18.84:1).
About this color
#1F091C is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.049 and its hue 333°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.058 away. White text reads best on it, at 18.84:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.11:1 |
| White text | 18.84:1 |
Values
| HEX | #1F091C |
| RGB | rgb(31, 9, 28) |
| HSL | hsl(308, 55%, 8%) |
| OKLCH | oklch(18.5% 0.049 332.8) |
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 #1F091C | 18.84:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #1F091C | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #1F091C text on white | 18.84:1 | AAA | Lc 105.2 | Preferred for body text |
| #1F091C text on black | 1.11:1 | 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
#F9F4F8
oklch(97.2% 0.007 332.1)
-
Step 100
100
#F1E6EF
oklch(93.6% 0.017 331.6)
-
Step 200
200
#E7D2E3
oklch(88.6% 0.032 332.2)
-
Step 300
300
#D8B3D1
oklch(80.8% 0.058 332.6)
-
Step 400
400
#C48BBA
oklch(70.8% 0.093 332.8)
-
Step 500
500
#B46DA9
oklch(63.2% 0.119 332.7)
-
Step 600
600
#9F5394
oklch(55.6% 0.131 332.8)
-
Step 700
700
#88437E
oklch(49.1% 0.122 333)
-
Step 800
800
#6E3866
oklch(42.7% 0.099 332.9)
-
Step 900
900
#5A3153
oklch(37.8% 0.077 333.5)
-
Step 950
950 (this color)
#1F091C
oklch(18.5% 0.049 332.8)
#1F091C 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) | #090F1D | 0.049 |
| Deuteranopia (no green cones) | #0F121B | 0.044 |
| Tritanopia (no blue cones) | #210A11 | 0.025 |
| Achromatopsia (no color) | #111111 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F091C
#1F091C
oklch(18.5% 0.049 332.8)
- #001808
#001808
oklch(18.3% 0.047 153.5)
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 #1F091C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.058
- Midnight Purple #280137 ΔE 0.061
- Very Dark Brown #1D0200 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.065
- Almost Black #070D0D ΔE 0.066
- Rich Navy #001219 ΔE 0.069
- Eggplant #380835 ΔE 0.076
- Dark Maroon #3C0008 ΔE 0.079
Use #1F091C 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.