#503C65
Closest named color: Dark Slate Blue (#483D8B). oklch(39.6% 0.071 305.8), rgb(80, 60, 101).
Aa
White text reads best on this color (9.65:1).
About this color
#503C65 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.071 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.065 away. White text reads best on it, at 9.65:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #503C65 |
| RGB | rgb(80, 60, 101) |
| HSL | hsl(269, 25%, 32%) |
| OKLCH | oklch(39.6% 0.071 305.8) |
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 #503C65 | 9.65:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #503C65 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #503C65 text on white | 9.65:1 | AAA | Lc 92.3 | Preferred for body text |
| #503C65 text on black | 2.17:1 | Fails | Lc -10.1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE7F2
oklch(93.5% 0.016 306.4)
-
Step 200
200
#DED4E9
oklch(88.4% 0.03 307.1)
-
Step 300
300
#C9B8DD
oklch(80.9% 0.054 306)
-
Step 400
400
#AE93CB
oklch(70.7% 0.085 306.3)
-
Step 500
500
#9A77BE
oklch(63.1% 0.11 306.1)
-
Step 600
600
#845FAA
oklch(55.5% 0.119 305.6)
-
Step 700
700
#704E92
oklch(49% 0.111 305.8)
-
Step 800
800
#5B4076
oklch(42.5% 0.092 305.9)
-
Step 900
900 (this color)
#503C65
oklch(39.6% 0.071 305.8)
-
Step 950
950
#2C2038
oklch(26.9% 0.046 306.5)
#503C65 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) | #334467 | 0.049 |
| Deuteranopia (no green cones) | #374564 | 0.047 |
| Tritanopia (no blue cones) | #4D424B | 0.053 |
| Achromatopsia (no color) | #454545 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503C65
#503C65
oklch(39.6% 0.071 305.8)
- #3D4D20
#3D4D20
oklch(39.5% 0.071 125.7)
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 #503C65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.069
- Dusk #4E5481 ΔE 0.074
- Purple Brown #673A3F ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.076
- Twilight #4E518B ΔE 0.077
- Dusty Grape #545775 ΔE 0.078
- Charcoal #264653 ΔE 0.079
Use #503C65 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.