#2A115C
Closest named color: Dark Indigo (#1F0954). oklch(27% 0.123 290.9), rgb(42, 17, 92).
Aa
White text reads best on this color (15.75:1).
About this color
#2A115C is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.123 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 0.033 away. White text reads best on it, at 15.75:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.33:1 |
| White text | 15.75:1 |
Values
| HEX | #2A115C |
| RGB | rgb(42, 17, 92) |
| HSL | hsl(260, 69%, 21%) |
| OKLCH | oklch(27% 0.123 290.9) |
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 #2A115C | 15.75:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #2A115C | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #2A115C text on white | 15.75:1 | AAA | Lc 102.1 | Preferred for body text |
| #2A115C text on black | 1.33:1 | 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
#E9E7FF
oklch(93.7% 0.032 289.6)
-
Step 200
200
#D8D3FF
oklch(88.5% 0.06 290.3)
-
Step 300
300
#C0B5FF
oklch(80.9% 0.104 290.7)
-
Step 400
400
#A28BFF
oklch(70.7% 0.166 290.7)
-
Step 500
500
#8E67FF
oklch(63.1% 0.216 290.7)
-
Step 600
600
#7E37FF
oklch(55.6% 0.268 291.1)
-
Step 700
700
#6D00EC
oklch(49% 0.276 290.8)
-
Step 800
800
#5A00C4
oklch(42.7% 0.24 291.1)
-
Step 900
900
#49149D
oklch(37.6% 0.194 291)
-
Step 950
950 (this color)
#2A115C
oklch(27% 0.123 290.9)
#2A115C 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) | #00245E | 0.065 |
| Deuteranopia (no green cones) | #00215B | 0.063 |
| Tritanopia (no blue cones) | #192636 | 0.097 |
| Achromatopsia (no color) | #232323 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A115C
#2A115C
oklch(27% 0.123 290.9)
- #282900
#282900
oklch(27.1% 0.06 111.2)
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 #2A115C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.033
- Midnight Blue #191970 ΔE 0.050
- Dark Purple #35063E ΔE 0.066
- Deep Purple #36013F ΔE 0.068
- Darkblue #030764 ΔE 0.073
- Royal Purple #4B006E ΔE 0.078
- Dark Royal Blue #02066F ΔE 0.078
- Midnight Purple #280137 ΔE 0.078
Use #2A115C 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.