#281644
Closest named color: Dark Purple (#35063E). oklch(25.2% 0.083 298.2), rgb(40, 22, 68).
Aa
White text reads best on this color (16.29:1).
About this color
#281644 is a dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.083 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.043 away. White text reads best on it, at 16.29:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.28:1 |
| White text | 16.29:1 |
Values
| HEX | #281644 |
| RGB | rgb(40, 22, 68) |
| HSL | hsl(263, 51%, 18%) |
| OKLCH | oklch(25.2% 0.083 298.2) |
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 #281644 | 16.29:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #281644 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #281644 text on white | 16.29:1 | AAA | Lc 103.0 | Preferred for body text |
| #281644 text on black | 1.28:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FB
oklch(93.6% 0.029 298.9)
-
Step 200
200
#DDD2F9
oklch(88.5% 0.054 298.2)
-
Step 300
300
#C8B3F8
oklch(80.9% 0.098 298.1)
-
Step 400
400
#AE88F5
oklch(70.7% 0.158 298.4)
-
Step 500
500
#9B65F1
oklch(63.1% 0.202 298.2)
-
Step 600
600
#8747DF
oklch(55.6% 0.219 298.2)
-
Step 700
700
#7336C2
oklch(49.1% 0.205 298.3)
-
Step 800
800
#5D2F9D
oklch(42.7% 0.169 298)
-
Step 900
900
#4C2C7D
oklch(37.8% 0.131 298)
-
Step 950
950 (this color)
#281644
oklch(25.2% 0.083 298.2)
#281644 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) | #002045 | 0.061 |
| Deuteranopia (no green cones) | #052043 | 0.057 |
| Tritanopia (no blue cones) | #22202A | 0.064 |
| Achromatopsia (no color) | #202020 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281644
#281644
oklch(25.2% 0.083 298.2)
- #202600
#202600
oklch(25.4% 0.059 118.3)
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 #281644, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.043
- Dark Indigo #1F0954 ΔE 0.046
- Deep Purple #36013F ΔE 0.050
- Eggplant #380835 ΔE 0.052
- Midnight Purple #280137 ΔE 0.053
- Very Dark Purple #2A0134 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.057
- Aubergine #3D0734 ΔE 0.061
Use #281644 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.