#503273
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.109 302.9), rgb(80, 50, 115).
Aa
White text reads best on this color (10.26:1).
About this color
#503273 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.109 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 10.26:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.26:1 |
Values
| HEX | #503273 |
| RGB | rgb(80, 50, 115) |
| HSL | hsl(268, 39%, 32%) |
| OKLCH | oklch(38.6% 0.109 302.9) |
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 #503273 | 10.26:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #503273 | 2.04:1 | Fails | Lc 10.3 | Not readable |
| #503273 text on white | 10.26:1 | AAA | Lc 93.6 | Preferred for body text |
| #503273 text on black | 2.04:1 | Fails | Lc -8.9 | 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
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#DFD2F3
oklch(88.4% 0.047 303.3)
-
Step 300
300
#CBB4ED
oklch(80.9% 0.083 303)
-
Step 400
400
#B18BE4
oklch(70.7% 0.132 302.8)
-
Step 500
500
#9E6BDC
oklch(63% 0.169 302.7)
-
Step 600
600
#8A50C9
oklch(55.6% 0.182 303)
-
Step 700
700
#7540AE
oklch(49.1% 0.17 302.8)
-
Step 800
800
#5F368D
oklch(42.8% 0.14 302.6)
-
Step 900
900 (this color)
#503273
oklch(38.6% 0.109 302.9)
-
Step 950
950
#2D1D42
oklch(27.1% 0.068 302)
#503273 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) | #1B4075 | 0.082 |
| Deuteranopia (no green cones) | #244071 | 0.075 |
| Tritanopia (no blue cones) | #4A3E4D | 0.082 |
| Achromatopsia (no color) | #414141 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503273
#503273
oklch(38.6% 0.109 302.9)
- #3B4B00
#3B4B00
oklch(38.5% 0.094 122.5)
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 #503273, 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 0.075
- Grape Purple #5D1451 ΔE 0.081
- Indigo #4B0082 ΔE 0.084
- Royal Purple #4B006E ΔE 0.086
- Twilight #4E518B ΔE 0.086
- Cobalt #1E488F ΔE 0.092
Use #503273 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.