#2A1D43
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.069 297.3), rgb(42, 29, 67).
Aa
White text reads best on this color (15.49:1).
About this color
#2A1D43 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.069 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 0.042 away. White text reads best on it, at 15.49:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.49:1 |
Values
| HEX | #2A1D43 |
| RGB | rgb(42, 29, 67) |
| HSL | hsl(261, 40%, 19%) |
| OKLCH | oklch(26.8% 0.069 297.3) |
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 #2A1D43 | 15.49:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #2A1D43 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #2A1D43 text on white | 15.49:1 | AAA | Lc 102.3 | Preferred for body text |
| #2A1D43 text on black | 1.35:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD3F4
oklch(88.4% 0.046 297.9)
-
Step 300
300
#C6B6F0
oklch(80.9% 0.082 297.2)
-
Step 400
400
#AA8EE8
oklch(70.8% 0.131 297.3)
-
Step 500
500
#966FE1
oklch(63.2% 0.168 297.1)
-
Step 600
600
#8154CF
oklch(55.6% 0.182 296.9)
-
Step 700
700
#6E43B3
oklch(49.1% 0.17 297.4)
-
Step 800
800
#593891
oklch(42.7% 0.141 297.1)
-
Step 900
900
#493174
oklch(37.7% 0.111 297.3)
-
Step 950
950 (this color)
#2A1D43
oklch(26.8% 0.069 297.3)
#2A1D43 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) | #0F2444 | 0.045 |
| Deuteranopia (no green cones) | #132442 | 0.042 |
| Tritanopia (no blue cones) | #25242C | 0.055 |
| Achromatopsia (no color) | #242424 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A1D43
#2A1D43
oklch(26.8% 0.069 297.3)
- #242900
#242900
oklch(26.7% 0.061 116.6)
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 #2A1D43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.051
- Dark #1B2431 ΔE 0.052
- Dark Purple #35063E ΔE 0.054
- Eggplant #380835 ΔE 0.058
- Dark Indigo #1F0954 ΔE 0.062
- Deep Purple #36013F ΔE 0.063
- Jet #212529 ΔE 0.064
Use #2A1D43 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.