#503383
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.129 296.8), rgb(80, 51, 131).
Aa
White text reads best on this color (9.80:1).
About this color
#503383 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.129 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.029 away. White text reads best on it, at 9.80:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.14:1 |
| White text | 9.80:1 |
Values
| HEX | #503383 |
| RGB | rgb(80, 51, 131) |
| HSL | hsl(262, 44%, 36%) |
| OKLCH | oklch(39.9% 0.129 296.8) |
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 #503383 | 9.80:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #503383 | 2.14:1 | Fails | Lc 11.6 | Not readable |
| #503383 text on white | 9.80:1 | AAA | Lc 92.4 | Preferred for body text |
| #503383 text on black | 2.14:1 | Fails | Lc -10.0 | 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 900.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE6FB
oklch(93.5% 0.029 296.7)
-
Step 200
200
#DCD2F9
oklch(88.4% 0.054 297)
-
Step 300
300
#C7B4F8
oklch(81% 0.096 297)
-
Step 400
400
#AB89F5
oklch(70.6% 0.156 296.7)
-
Step 500
500
#9867F0
oklch(63% 0.198 296.8)
-
Step 600
600
#8449DF
oklch(55.6% 0.216 296.8)
-
Step 700
700
#7039C1
oklch(49.1% 0.2 296.8)
-
Step 800
800
#5B319C
oklch(42.7% 0.165 296.8)
-
Step 900
900 (this color)
#503383
oklch(39.9% 0.129 296.8)
-
Step 950
950
#2B1B49
oklch(26.9% 0.082 296.5)
#503383 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) | #024486 | 0.092 |
| Deuteranopia (no green cones) | #124381 | 0.086 |
| Tritanopia (no blue cones) | #444456 | 0.100 |
| Achromatopsia (no color) | #444444 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503383
#503383
oklch(39.9% 0.129 296.8)
- #444D00
#444D00
oklch(39.8% 0.092 117.2)
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 #503383, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.029
- Blueberry #464196 ΔE 0.046
- Rebecca Purple #663399 ΔE 0.055
- Twilight #4E518B ΔE 0.078
- Indigo #4B0082 ΔE 0.079
- Cobalt #1E488F ΔE 0.082
- Imperial Purple #480CA8 ΔE 0.086
- Chrysanthemum #560BAD ΔE 0.086
Use #503383 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.