#2B1C4E
Closest named color: Dark Indigo (#1F0954). oklch(27.5% 0.088 293.6), rgb(43, 28, 78).
Aa
White text reads best on this color (15.23:1).
About this color
#2B1C4E is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.088 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.051 away. White text reads best on it, at 15.23:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.37:1 |
| White text | 15.23:1 |
Values
| HEX | #2B1C4E |
| RGB | rgb(43, 28, 78) |
| HSL | hsl(258, 47%, 21%) |
| OKLCH | oklch(27.5% 0.088 293.6) |
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 #2B1C4E | 15.23:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #2B1C4E | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #2B1C4E text on white | 15.23:1 | AAA | Lc 101.9 | Preferred for body text |
| #2B1C4E text on black | 1.37:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EAE6FD
oklch(93.5% 0.031 293.8)
-
Step 200
200
#DAD3FD
oklch(88.6% 0.058 292.8)
-
Step 300
300
#C3B4FE
oklch(80.9% 0.104 293.2)
-
Step 400
400
#A789FE
oklch(70.8% 0.167 293.5)
-
Step 500
500
#9465FB
oklch(63.1% 0.214 293.8)
-
Step 600
600
#8046EA
oklch(55.6% 0.231 293.7)
-
Step 700
700
#6C35CC
oklch(49.1% 0.216 293.4)
-
Step 800
800
#582EA5
oklch(42.7% 0.179 293.5)
-
Step 900
900
#482B83
oklch(37.7% 0.14 293.7)
-
Step 950
950 (this color)
#2B1C4E
oklch(27.5% 0.088 293.6)
#2B1C4E 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) | #012650 | 0.058 |
| Deuteranopia (no green cones) | #05254D | 0.055 |
| Tritanopia (no blue cones) | #222731 | 0.072 |
| Achromatopsia (no color) | #262626 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1C4E
#2B1C4E
oklch(27.5% 0.088 293.6)
- #282B00
#282B00
oklch(27.7% 0.062 113.8)
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 #2B1C4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.051
- Dark Purple #35063E ΔE 0.057
- Oxford Blue #1B263B ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.060
- Deep Purple #36013F ΔE 0.063
- Eggplant #380835 ΔE 0.066
- Eggplant Purple #430541 ΔE 0.068
- Marine #042E60 ΔE 0.069
Use #2B1C4E 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.