#1D0D40
Closest named color: Dark Indigo (#1F0954). oklch(21.9% 0.091 291.5), rgb(29, 13, 64).
Aa
White text reads best on this color (17.73:1).
About this color
#1D0D40 is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.091 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.038 away. White text reads best on it, at 17.73:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.18:1 |
| White text | 17.73:1 |
Values
| HEX | #1D0D40 |
| RGB | rgb(29, 13, 64) |
| HSL | hsl(259, 66%, 15%) |
| OKLCH | oklch(21.9% 0.091 291.5) |
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 #1D0D40 | 17.73:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #1D0D40 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #1D0D40 text on white | 17.73:1 | AAA | Lc 104.2 | Preferred for body text |
| #1D0D40 text on black | 1.18:1 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#EAE7FE
oklch(93.7% 0.031 291.8)
-
Step 200
200
#D9D3FE
oklch(88.5% 0.059 291.5)
-
Step 300
300
#C1B5FF
oklch(81% 0.104 291.3)
-
Step 400
400
#A38AFF
oklch(70.7% 0.167 291.4)
-
Step 500
500
#9066FF
oklch(63.1% 0.217 291.6)
-
Step 600
600
#7C45F0
oklch(55.6% 0.239 291.3)
-
Step 700
700
#6934D1
oklch(49.1% 0.222 291.3)
-
Step 800
800
#552DA9
oklch(42.6% 0.185 291.3)
-
Step 900
900
#462B86
oklch(37.7% 0.144 291.6)
-
Step 950
950 (this color)
#1D0D40
oklch(21.9% 0.091 291.5)
#1D0D40 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) | #001942 | 0.051 |
| Deuteranopia (no green cones) | #00173F | 0.050 |
| Tritanopia (no blue cones) | #121A25 | 0.072 |
| Achromatopsia (no color) | #181818 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D0D40
#1D0D40
oklch(21.9% 0.091 291.5)
- #1B1C00
#1B1C00
oklch(21.8% 0.048 111.6)
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 #1D0D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.038
- Midnight Purple #280137 ΔE 0.040
- Very Dark Purple #2A0134 ΔE 0.046
- Navy Blue #001146 ΔE 0.050
- Dark Purple #35063E ΔE 0.057
- Night Blue #040348 ΔE 0.059
- Deep Purple #36013F ΔE 0.061
- Rich Black #0D1B2A ΔE 0.068
Use #1D0D40 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.