#503075
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.115 302.7), rgb(80, 48, 117).
Aa
White text reads best on this color (10.39:1).
About this color
#503075 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.115 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.047 away. White text reads best on it, at 10.39:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.02:1 |
| White text | 10.39:1 |
Values
| HEX | #503075 |
| RGB | rgb(80, 48, 117) |
| HSL | hsl(268, 42%, 32%) |
| OKLCH | oklch(38.3% 0.115 302.7) |
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 #503075 | 10.39:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #503075 | 2.02:1 | Fails | Lc 10.1 | Not readable |
| #503075 text on white | 10.39:1 | AAA | Lc 93.8 | Preferred for body text |
| #503075 text on black | 2.02:1 | Fails | Lc -8.7 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F4
oklch(88.5% 0.048 302.8)
-
Step 300
300
#CBB4EF
oklch(80.9% 0.085 302.4)
-
Step 400
400
#B28AE7
oklch(70.7% 0.138 302.9)
-
Step 500
500
#9F69E0
oklch(63% 0.177 302.6)
-
Step 600
600
#8B4DCE
oklch(55.6% 0.193 302.7)
-
Step 700
700
#763DB2
oklch(49.1% 0.179 302.7)
-
Step 800
800
#603390
oklch(42.6% 0.148 302.8)
-
Step 900
900 (this color)
#503075
oklch(38.3% 0.115 302.7)
-
Step 950
950
#2E1C43
oklch(27% 0.072 303.2)
#503075 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) | #143F77 | 0.088 |
| Deuteranopia (no green cones) | #204073 | 0.080 |
| Tritanopia (no blue cones) | #493E4D | 0.088 |
| Achromatopsia (no color) | #404040 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503075
#503075
oklch(38.3% 0.115 302.7)
- #3A4B00
#3A4B00
oklch(38.4% 0.094 123.2)
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 #503075, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.047
- Blueberry #464196 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.072
- Indigo #4B0082 ΔE 0.078
- Royal Purple #4B006E ΔE 0.081
- Grape Purple #5D1451 ΔE 0.081
- Twilight #4E518B ΔE 0.089
- Cobalt #1E488F ΔE 0.093
Use #503075 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.