#2D1D4B
Closest named color: Oxford Blue (#1B263B). oklch(27.7% 0.082 296.7), rgb(45, 29, 75).
Aa
White text reads best on this color (15.11:1).
About this color
#2D1D4B is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.082 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.053 away. White text reads best on it, at 15.11:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.11:1 |
Values
| HEX | #2D1D4B |
| RGB | rgb(45, 29, 75) |
| HSL | hsl(261, 44%, 20%) |
| OKLCH | oklch(27.7% 0.082 296.7) |
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 #2D1D4B | 15.11:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #2D1D4B | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #2D1D4B text on white | 15.11:1 | AAA | Lc 101.8 | Preferred for body text |
| #2D1D4B 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE6FB
oklch(93.5% 0.029 296.7)
-
Step 200
200
#DCD2F9
oklch(88.4% 0.054 297)
-
Step 300
300
#C7B4F8
oklch(81% 0.096 297)
-
Step 400
400
#AB89F5
oklch(70.6% 0.156 296.7)
-
Step 500
500
#9867F1
oklch(63.1% 0.199 296.6)
-
Step 600
600
#8449DF
oklch(55.6% 0.216 296.8)
-
Step 700
700
#7039C2
oklch(49.1% 0.201 296.6)
-
Step 800
800
#5B309D
oklch(42.7% 0.167 296.7)
-
Step 900
900
#4A2D7D
oklch(37.8% 0.13 296.3)
-
Step 950
950 (this color)
#2D1D4B
oklch(27.7% 0.082 296.7)
#2D1D4B 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) | #08264D | 0.056 |
| Deuteranopia (no green cones) | #0D264A | 0.053 |
| Tritanopia (no blue cones) | #262630 | 0.064 |
| Achromatopsia (no color) | #262626 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D1D4B
#2D1D4B
oklch(27.7% 0.082 296.7)
- #262C00
#262C00
oklch(27.8% 0.064 117.5)
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 #2D1D4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.055
- Dark Purple #35063E ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.058
- Eggplant #380835 ΔE 0.062
- Deep Purple #36013F ΔE 0.062
- Eggplant Purple #430541 ΔE 0.065
- Dark #1B2431 ΔE 0.066
Use #2D1D4B 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.