#1D0521
Closest named color: Very Dark Purple (#2A0134). oklch(17.7% 0.064 321.9), rgb(29, 5, 33).
Aa
White text reads best on this color (19.16:1).
About this color
#1D0521 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.064 and its hue 322°. 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 19.16:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.09:1 |
| White text | 19.16:1 |
Values
| HEX | #1D0521 |
| RGB | rgb(29, 5, 33) |
| HSL | hsl(291, 74%, 7%) |
| OKLCH | oklch(17.7% 0.064 321.9) |
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 #1D0521 | 19.16:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #1D0521 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #1D0521 text on white | 19.16:1 | AAA | Lc 105.3 | Preferred for body text |
| #1D0521 text on black | 1.09:1 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F3
oklch(93.5% 0.023 321.4)
-
Step 200
200
#E7D1EA
oklch(88.6% 0.041 322.2)
-
Step 300
300
#D8B1DE
oklch(80.9% 0.075 321.8)
-
Step 400
400
#C486CD
oklch(70.7% 0.121 322.3)
-
Step 500
500
#B466C0
oklch(63.1% 0.154 322.1)
-
Step 600
600
#9F4BAC
oklch(55.7% 0.167 322.1)
-
Step 700
700
#883B94
oklch(49.1% 0.156 322.1)
-
Step 800
800
#6E3278
oklch(42.7% 0.128 321.7)
-
Step 900
900
#592D61
oklch(37.7% 0.1 321.3)
-
Step 950
950 (this color)
#1D0521
oklch(17.7% 0.064 321.9)
#1D0521 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) | #010D22 | 0.065 |
| Deuteranopia (no green cones) | #081020 | 0.055 |
| Tritanopia (no blue cones) | #1D0911 | 0.039 |
| Achromatopsia (no color) | #0F0F0F | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D0521
#1D0521
oklch(17.7% 0.064 321.9)
- #011700
#011700
oklch(17.8% 0.059 141.4)
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 #1D0521, 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 0.051
- Rich Black #0D1B2A ΔE 0.074
- Almost Black #070D0D ΔE 0.074
- Very Dark Brown #1D0200 ΔE 0.074
- Rich Navy #001219 ΔE 0.076
- Eggplant #380835 ΔE 0.077
- Midnight #03012D ΔE 0.077
Use #1D0521 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.