#1D1328
Closest named color: Rich Black (#0D1B2A). oklch(21.1% 0.042 305), rgb(29, 19, 40).
Aa
White text reads best on this color (17.85:1).
About this color
#1D1328 is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.042 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.036 away. White text reads best on it, at 17.85:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.85:1 |
Values
| HEX | #1D1328 |
| RGB | rgb(29, 19, 40) |
| HSL | hsl(269, 36%, 12%) |
| OKLCH | oklch(21.1% 0.042 305) |
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 #1D1328 | 17.85:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #1D1328 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #1D1328 text on white | 17.85:1 | AAA | Lc 104.6 | Preferred for body text |
| #1D1328 text on black | 1.17:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F2
oklch(93.7% 0.014 304.1)
-
Step 200
200
#DDD5E8
oklch(88.5% 0.027 304.8)
-
Step 300
300
#C8B9DB
oklch(80.9% 0.05 305.3)
-
Step 400
400
#AC94C9
oklch(70.7% 0.08 305.1)
-
Step 500
500
#9879BB
oklch(63.1% 0.102 305.2)
-
Step 600
600
#8361A7
oklch(55.6% 0.111 305.4)
-
Step 700
700
#6E5090
oklch(49.1% 0.104 304.5)
-
Step 800
800
#5A4275
oklch(42.8% 0.086 304.7)
-
Step 900
900
#4A385E
oklch(37.7% 0.067 305.2)
-
Step 950
950 (this color)
#1D1328
oklch(21.1% 0.042 305)
#1D1328 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) | #0E1729 | 0.029 |
| Deuteranopia (no green cones) | #101727 | 0.027 |
| Tritanopia (no blue cones) | #1B161B | 0.031 |
| Achromatopsia (no color) | #171717 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D1328
#1D1328
oklch(21.1% 0.042 305)
- #141C05
#141C05
oklch(21.2% 0.043 125.5)
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 #1D1328, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.036
- Dark #1B2431 ΔE 0.057
- Very Dark Purple #2A0134 ΔE 0.058
- Midnight Purple #280137 ΔE 0.059
- Jet #212529 ΔE 0.064
- Rich Navy #001219 ΔE 0.065
- Oxford Blue #1B263B ΔE 0.066
- Eggplant #380835 ΔE 0.069
Use #1D1328 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.