#28115F
Closest named color: Dark Indigo (#1F0954). oklch(27.1% 0.127 288.2), rgb(40, 17, 95).
Aa
White text reads best on this color (15.72:1).
About this color
#28115F is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.127 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.033 away. White text reads best on it, at 15.72:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.33:1 |
| White text | 15.72:1 |
Values
| HEX | #28115F |
| RGB | rgb(40, 17, 95) |
| HSL | hsl(258, 70%, 22%) |
| OKLCH | oklch(27.1% 0.127 288.2) |
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 #28115F | 15.72:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #28115F | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #28115F text on white | 15.72:1 | AAA | Lc 102.1 | Preferred for body text |
| #28115F 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
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D7D4FF
oklch(88.6% 0.059 288.3)
-
Step 300
300
#BDB6FF
oklch(80.8% 0.102 288.3)
-
Step 400
400
#9D8DFF
oklch(70.7% 0.163 287.9)
-
Step 500
500
#896AFF
oklch(63.1% 0.212 288.4)
-
Step 600
600
#773DFF
oklch(55.6% 0.263 288.2)
-
Step 700
700
#6800F1
oklch(49.1% 0.281 288.2)
-
Step 800
800
#5500C8
oklch(42.6% 0.244 288.2)
-
Step 900
900
#4613A2
oklch(37.8% 0.2 288.4)
-
Step 950
950 (this color)
#28115F
oklch(27.1% 0.127 288.2)
#28115F 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) | #002561 | 0.062 |
| Deuteranopia (no green cones) | #00215E | 0.059 |
| Tritanopia (no blue cones) | #112737 | 0.103 |
| Achromatopsia (no color) | #232323 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28115F
#28115F
oklch(27.1% 0.127 288.2)
- #292800
#292800
oklch(26.9% 0.058 108.3)
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 #28115F, 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 0.044
- Darkblue #030764 ΔE 0.068
- Dark Royal Blue #02066F ΔE 0.072
- Dark Purple #35063E ΔE 0.072
- Deep Blue #040273 ΔE 0.075
- Deep Purple #36013F ΔE 0.075
- Marine #042E60 ΔE 0.077
Use #28115F 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.