#280F47
Closest named color: Dark Indigo (#1F0954). oklch(24.4% 0.098 299.3), rgb(40, 15, 71).
Aa
White text reads best on this color (16.80:1).
About this color
#280F47 is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.098 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 0.035 away. White text reads best on it, at 16.80:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.24:1 |
| White text | 16.80:1 |
Values
| HEX | #280F47 |
| RGB | rgb(40, 15, 71) |
| HSL | hsl(267, 65%, 17%) |
| OKLCH | oklch(24.4% 0.098 299.3) |
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 #280F47 | 16.80:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #280F47 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #280F47 text on white | 16.80:1 | AAA | Lc 103.3 | Preferred for body text |
| #280F47 text on black | 1.24:1 | 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
#EDE5FE
oklch(93.6% 0.035 300.3)
-
Step 200
200
#DFD0FF
oklch(88.5% 0.066 299.6)
-
Step 300
300
#CBB0FF
oklch(80.9% 0.113 299.6)
-
Step 400
400
#B282FF
oklch(70.7% 0.18 299.5)
-
Step 500
500
#A15AFF
oklch(63.1% 0.234 299.4)
-
Step 600
600
#8E32F1
oklch(55.7% 0.259 299.3)
-
Step 700
700
#7920D2
oklch(49.2% 0.241 299.2)
-
Step 800
800
#621FA9
oklch(42.6% 0.2 299.4)
-
Step 900
900
#502386
oklch(37.8% 0.155 299.6)
-
Step 950
950 (this color)
#280F47
oklch(24.4% 0.098 299.3)
#280F47 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) | #001D49 | 0.067 |
| Deuteranopia (no green cones) | #001D46 | 0.067 |
| Tritanopia (no blue cones) | #211D29 | 0.075 |
| Achromatopsia (no color) | #1D1D1D | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #280F47
#280F47
oklch(24.4% 0.098 299.3)
- #1D2400
#1D2400
oklch(24.5% 0.058 119.9)
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 #280F47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.035
- Dark Purple #35063E ΔE 0.038
- Deep Purple #36013F ΔE 0.043
- Midnight Purple #280137 ΔE 0.043
- Very Dark Purple #2A0134 ΔE 0.047
- Eggplant #380835 ΔE 0.053
- Aubergine #3D0734 ΔE 0.063
- Eggplant Purple #430541 ΔE 0.065
Use #280F47 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.