#503D67
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.072 304.1), rgb(80, 61, 103).
Aa
White text reads best on this color (9.52:1).
About this color
#503D67 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.072 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.062 away. White text reads best on it, at 9.52:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.20:1 |
| White text | 9.52:1 |
Values
| HEX | #503D67 |
| RGB | rgb(80, 61, 103) |
| HSL | hsl(267, 26%, 32%) |
| OKLCH | oklch(39.9% 0.072 304.1) |
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 #503D67 | 9.52:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #503D67 | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #503D67 text on white | 9.52:1 | AAA | Lc 92.0 | Preferred for body text |
| #503D67 text on black | 2.20:1 | Fails | Lc -10.4 | 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
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DDD5EA
oklch(88.6% 0.03 303)
-
Step 300
300
#C8B8DE
oklch(80.8% 0.055 304.3)
-
Step 400
400
#AC93CD
oklch(70.6% 0.087 304)
-
Step 500
500
#9878C0
oklch(63.1% 0.111 303.8)
-
Step 600
600
#835FAC
oklch(55.5% 0.121 304.3)
-
Step 700
700
#6F4F94
oklch(49.2% 0.112 304)
-
Step 800
800
#5A4178
oklch(42.7% 0.092 303.7)
-
Step 900
900 (this color)
#503D67
oklch(39.9% 0.072 304.1)
-
Step 950
950
#2B2139
oklch(27.1% 0.045 302.6)
#503D67 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) | #334569 | 0.049 |
| Deuteranopia (no green cones) | #374566 | 0.045 |
| Tritanopia (no blue cones) | #4C444D | 0.055 |
| Achromatopsia (no color) | #454545 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503D67
#503D67
oklch(39.9% 0.072 304.1)
- #3F4E1F
#3F4E1F
oklch(39.9% 0.073 124.4)
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 #503D67, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.062
- Dark Grey Blue #29465B ΔE 0.069
- Dusk #4E5481 ΔE 0.070
- Twilight #4E518B ΔE 0.073
- Dusty Grape #545775 ΔE 0.075
- Purple Brown #673A3F ΔE 0.078
- Charcoal Grey #3C4142 ΔE 0.078
- Blueberry #464196 ΔE 0.079
Use #503D67 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.