#503E65
Closest named color: Dark Slate Blue (#483D8B). oklch(40% 0.067 304.7), rgb(80, 62, 101).
Aa
White text reads best on this color (9.46:1).
About this color
#503E65 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.067 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.066 away. White text reads best on it, at 9.46:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.21:1 |
| White text | 9.46:1 |
Values
| HEX | #503E65 |
| RGB | rgb(80, 62, 101) |
| HSL | hsl(268, 24%, 32%) |
| OKLCH | oklch(40% 0.067 304.7) |
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 #503E65 | 9.46:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #503E65 | 2.21:1 | Fails | Lc 12.1 | Not readable |
| #503E65 text on white | 9.46:1 | AAA | Lc 91.8 | Preferred for body text |
| #503E65 text on black | 2.21:1 | Fails | Lc -10.6 | 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
#ECE8F2
oklch(93.7% 0.014 304.1)
-
Step 200
200
#DDD5E9
oklch(88.5% 0.028 303.9)
-
Step 300
300
#C8B9DC
oklch(80.9% 0.051 304.7)
-
Step 400
400
#AC94CA
oklch(70.7% 0.082 304.7)
-
Step 500
500
#9879BC
oklch(63.1% 0.104 304.9)
-
Step 600
600
#8261A8
oklch(55.6% 0.112 304.4)
-
Step 700
700
#6E5090
oklch(49.1% 0.104 304.5)
-
Step 800
800
#5A4275
oklch(42.8% 0.086 304.7)
-
Step 900
900 (this color)
#503E65
oklch(40% 0.067 304.7)
-
Step 950
950
#2B2137
oklch(27% 0.042 304.6)
#503E65 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) | #364567 | 0.044 |
| Deuteranopia (no green cones) | #394664 | 0.042 |
| Tritanopia (no blue cones) | #4D444C | 0.052 |
| Achromatopsia (no color) | #464646 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503E65
#503E65
oklch(40% 0.067 304.7)
- #404E23
#404E23
oklch(40.1% 0.068 124.3)
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 #503E65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.066
- Dusk #4E5481 ΔE 0.069
- Dusty Grape #545775 ΔE 0.073
- Twilight #4E518B ΔE 0.074
- Purple Brown #673A3F ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.074
- Charcoal #264653 ΔE 0.077
Use #503E65 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.