#280F48
Closest named color: Dark Indigo (#1F0954). oklch(24.4% 0.1 298.8), rgb(40, 15, 72).
Aa
White text reads best on this color (16.77:1).
About this color
#280F48 is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.100 and its hue 299°. 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 16.77:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.25:1 |
| White text | 16.77:1 |
Values
| HEX | #280F48 |
| RGB | rgb(40, 15, 72) |
| HSL | hsl(266, 66%, 17%) |
| OKLCH | oklch(24.4% 0.1 298.8) |
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 #280F48 | 16.77:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #280F48 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #280F48 text on white | 16.77:1 | AAA | Lc 103.3 | Preferred for body text |
| #280F48 text on black | 1.25:1 | 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
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#ECE5FE
oklch(93.5% 0.034 298.5)
-
Step 200
200
#DED0FF
oklch(88.4% 0.066 298.7)
-
Step 300
300
#CAB1FF
oklch(81% 0.111 298.6)
-
Step 400
400
#B183FF
oklch(70.7% 0.179 298.9)
-
Step 500
500
#A05BFF
oklch(63.1% 0.232 298.9)
-
Step 600
600
#8D30F3
oklch(55.6% 0.263 298.7)
-
Step 700
700
#781ED4
oklch(49.1% 0.244 298.5)
-
Step 800
800
#621EAB
oklch(42.7% 0.202 299)
-
Step 900
900
#4F2287
oklch(37.6% 0.158 298.8)
-
Step 950
950 (this color)
#280F48
oklch(24.4% 0.1 298.8)
#280F48 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) | #001D4A | 0.067 |
| Deuteranopia (no green cones) | #001D47 | 0.067 |
| Tritanopia (no blue cones) | #201D2A | 0.075 |
| Achromatopsia (no color) | #1D1D1D | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #280F48
#280F48
oklch(24.4% 0.1 298.8)
- #1E2400
#1E2400
oklch(24.6% 0.058 118.6)
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 #280F48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.033
- Dark Purple #35063E ΔE 0.039
- Deep Purple #36013F ΔE 0.044
- Midnight Purple #280137 ΔE 0.044
- Very Dark Purple #2A0134 ΔE 0.049
- Eggplant #380835 ΔE 0.054
- Aubergine #3D0734 ΔE 0.064
- Eggplant Purple #430541 ΔE 0.065
Use #280F48 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.