#1F1024
Closest named color: Rich Black (#0D1B2A). oklch(20.4% 0.044 317.3), rgb(31, 16, 36).
Aa
White text reads best on this color (18.13:1).
About this color
#1F1024 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.044 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.046 away. White text reads best on it, at 18.13:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.13:1 |
Values
| HEX | #1F1024 |
| RGB | rgb(31, 16, 36) |
| HSL | hsl(285, 38%, 10%) |
| OKLCH | oklch(20.4% 0.044 317.3) |
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 #1F1024 | 18.13:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #1F1024 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #1F1024 text on white | 18.13:1 | AAA | Lc 104.8 | Preferred for body text |
| #1F1024 text on black | 1.15:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E1D4E6
oklch(88.6% 0.028 316.7)
-
Step 300
300
#CFB7D7
oklch(81% 0.051 317.7)
-
Step 400
400
#B690C3
oklch(70.6% 0.084 317.4)
-
Step 500
500
#A474B4
oklch(63.1% 0.108 317.4)
-
Step 600
600
#8F5C9F
oklch(55.6% 0.115 317.8)
-
Step 700
700
#794B88
oklch(49% 0.108 317.5)
-
Step 800
800
#633E6F
oklch(42.7% 0.09 317.5)
-
Step 900
900
#51355A
oklch(37.7% 0.071 317.7)
-
Step 950
950 (this color)
#1F1024
oklch(20.4% 0.044 317.3)
#1F1024 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) | #0D1525 | 0.037 |
| Deuteranopia (no green cones) | #111623 | 0.034 |
| Tritanopia (no blue cones) | #1F1318 | 0.029 |
| Achromatopsia (no color) | #161616 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F1024
#1F1024
oklch(20.4% 0.044 317.3)
- #0D1B07
#0D1B07
oklch(20.3% 0.042 136.9)
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 #1F1024, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.046
- Very Dark Purple #2A0134 ΔE 0.055
- Midnight Purple #280137 ΔE 0.057
- Dark #1B2431 ΔE 0.066
- Rich Navy #001219 ΔE 0.066
- Eggplant #380835 ΔE 0.068
- Jet #212529 ΔE 0.071
- Almost Black #070D0D ΔE 0.072
Use #1F1024 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.