#1F0921
Closest named color: Very Dark Purple (#2A0134). oklch(18.8% 0.055 324.2), rgb(31, 9, 33).
Aa
White text reads best on this color (18.76:1).
About this color
#1F0921 is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.055 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.049 away. White text reads best on it, at 18.76:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.11:1 |
| White text | 18.76:1 |
Values
| HEX | #1F0921 |
| RGB | rgb(31, 9, 33) |
| HSL | hsl(295, 57%, 8%) |
| OKLCH | oklch(18.8% 0.055 324.2) |
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 #1F0921 | 18.76:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #1F0921 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #1F0921 text on white | 18.76:1 | AAA | Lc 105.1 | Preferred for body text |
| #1F0921 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E6F1
oklch(93.7% 0.019 325.7)
-
Step 200
200
#E6D1E7
oklch(88.4% 0.037 324.5)
-
Step 300
300
#D6B3D9
oklch(80.9% 0.065 323.6)
-
Step 400
400
#C18AC5
oklch(70.7% 0.104 324.3)
-
Step 500
500
#B16BB7
oklch(63.1% 0.134 324.2)
-
Step 600
600
#9C51A2
oklch(55.6% 0.145 324.5)
-
Step 700
700
#85418B
oklch(49.1% 0.136 324.3)
-
Step 800
800
#6C3671
oklch(42.6% 0.113 324.1)
-
Step 900
900
#58305B
oklch(37.8% 0.086 324.6)
-
Step 950
950 (this color)
#1F0921
oklch(18.8% 0.055 324.2)
#1F0921 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) | #061022 | 0.054 |
| Deuteranopia (no green cones) | #0D1320 | 0.048 |
| Tritanopia (no blue cones) | #200C13 | 0.033 |
| Achromatopsia (no color) | #121212 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F0921
#1F0921
oklch(18.8% 0.055 324.2)
- #021903
#021903
oklch(18.7% 0.055 144.1)
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 #1F0921, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.049
- Midnight Purple #280137 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.064
- Eggplant #380835 ΔE 0.071
- Rich Navy #001219 ΔE 0.072
- Almost Black #070D0D ΔE 0.072
- Very Dark Brown #1D0200 ΔE 0.073
- Dark Purple #35063E ΔE 0.075
Use #1F0921 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.