#2A1D4E
Closest named color: Dark Indigo (#1F0954). oklch(27.6% 0.086 292), rgb(42, 29, 78).
Aa
White text reads best on this color (15.17:1).
About this color
#2A1D4E is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.086 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.052 away. White text reads best on it, at 15.17:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.38:1 |
| White text | 15.17:1 |
Values
| HEX | #2A1D4E |
| RGB | rgb(42, 29, 78) |
| HSL | hsl(256, 46%, 21%) |
| OKLCH | oklch(27.6% 0.086 292) |
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 #2A1D4E | 15.17:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #2A1D4E | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #2A1D4E text on white | 15.17:1 | AAA | Lc 101.9 | Preferred for body text |
| #2A1D4E text on black | 1.38:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FD
oklch(93.7% 0.03 292.1)
-
Step 200
200
#D9D3FC
oklch(88.5% 0.056 291.9)
-
Step 300
300
#C2B5FE
oklch(81% 0.103 292.1)
-
Step 400
400
#A48AFD
oklch(70.6% 0.164 292.1)
-
Step 500
500
#9068FB
oklch(63.2% 0.209 291.8)
-
Step 600
600
#7C49EA
oklch(55.6% 0.228 291.8)
-
Step 700
700
#6938CB
oklch(49% 0.211 291.9)
-
Step 800
800
#5530A4
oklch(42.6% 0.175 291.9)
-
Step 900
900
#462D82
oklch(37.7% 0.136 292.1)
-
Step 950
950 (this color)
#2A1D4E
oklch(27.6% 0.086 292)
#2A1D4E 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) | #032750 | 0.055 |
| Deuteranopia (no green cones) | #06254D | 0.052 |
| Tritanopia (no blue cones) | #202832 | 0.071 |
| Achromatopsia (no color) | #262626 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A1D4E
#2A1D4E
oklch(27.6% 0.086 292)
- #292B00
#292B00
oklch(27.8% 0.062 112.5)
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 #2A1D4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.052
- Oxford Blue #1B263B ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.058
- Dark Purple #35063E ΔE 0.059
- Marine #042E60 ΔE 0.066
- Deep Purple #36013F ΔE 0.066
- Eggplant #380835 ΔE 0.068
- Dark #1B2431 ΔE 0.068
Use #2A1D4E 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.