#503280
Closest named color: Dark Slate Blue (#483D8B). oklch(39.5% 0.127 298.1), rgb(80, 50, 128).
Aa
White text reads best on this color (9.95:1).
About this color
#503280 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.127 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.033 away. White text reads best on it, at 9.95:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.10:1 |
| White text | 9.95:1 |
Values
| HEX | #503280 |
| RGB | rgb(80, 50, 128) |
| HSL | hsl(263, 44%, 35%) |
| OKLCH | oklch(39.5% 0.127 298.1) |
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 #503280 | 9.95:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #503280 | 2.10:1 | Fails | Lc 11.2 | Not readable |
| #503280 text on white | 9.95:1 | AAA | Lc 92.8 | Preferred for body text |
| #503280 text on black | 2.10:1 | Fails | Lc -9.7 | 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 900.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F8
oklch(88.5% 0.053 298.5)
-
Step 300
300
#C8B4F6
oklch(81% 0.094 298.2)
-
Step 400
400
#AD89F2
oklch(70.7% 0.152 298.2)
-
Step 500
500
#9A67ED
oklch(63% 0.195 298.2)
-
Step 600
600
#864ADC
oklch(55.7% 0.211 298)
-
Step 700
700
#7239BE
oklch(49% 0.196 298.4)
-
Step 800
800
#5C319A
oklch(42.7% 0.162 297.9)
-
Step 900
900 (this color)
#503280
oklch(39.5% 0.127 298.1)
-
Step 950
950
#2C1B48
oklch(27% 0.081 298.2)
#503280 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) | #054383 | 0.092 |
| Deuteranopia (no green cones) | #15427E | 0.086 |
| Tritanopia (no blue cones) | #454254 | 0.097 |
| Achromatopsia (no color) | #434343 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503280
#503280
oklch(39.5% 0.127 298.1)
- #424C00
#424C00
oklch(39.4% 0.092 118)
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 #503280, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.033
- Blueberry #464196 ΔE 0.051
- Rebecca Purple #663399 ΔE 0.058
- Indigo #4B0082 ΔE 0.077
- Twilight #4E518B ΔE 0.081
- Cobalt #1E488F ΔE 0.084
- Royal Purple #4B006E ΔE 0.088
- Imperial Purple #480CA8 ΔE 0.088
Use #503280 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.