#503D6A
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.077 302.5), rgb(80, 61, 106).
Aa
White text reads best on this color (9.47:1).
About this color
#503D6A is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.077 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 0.057 away. White text reads best on it, at 9.47:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #503D6A |
| RGB | rgb(80, 61, 106) |
| HSL | hsl(265, 27%, 33%) |
| OKLCH | oklch(40.1% 0.077 302.5) |
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 #503D6A | 9.47:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #503D6A | 2.21:1 | Fails | Lc 12.1 | Not readable |
| #503D6A text on white | 9.47:1 | AAA | Lc 91.8 | Preferred for body text |
| #503D6A 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DDD5EB
oklch(88.6% 0.031 302.3)
-
Step 300
300
#C7B8E0
oklch(80.8% 0.058 302.2)
-
Step 400
400
#AC93D0
oklch(70.8% 0.091 302.9)
-
Step 500
500
#9777C4
oklch(63.1% 0.117 302.3)
-
Step 600
600
#825FB1
oklch(55.7% 0.128 302.1)
-
Step 700
700
#6E4E98
oklch(49.2% 0.118 302.2)
-
Step 800
800
#5A407B
oklch(42.7% 0.098 302.8)
-
Step 900
900 (this color)
#503D6A
oklch(40.1% 0.077 302.5)
-
Step 950
950
#2B203A
oklch(26.9% 0.049 302.7)
#503D6A 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) | #32456C | 0.050 |
| Deuteranopia (no green cones) | #364669 | 0.047 |
| Tritanopia (no blue cones) | #4C444E | 0.058 |
| Achromatopsia (no color) | #464646 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503D6A
#503D6A
oklch(40.1% 0.077 302.5)
- #414E1B
#414E1B
oklch(40% 0.076 121.9)
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 #503D6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.057
- Dusk #4E5481 ΔE 0.068
- Twilight #4E518B ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.071
- Blueberry #464196 ΔE 0.074
- Dusty Grape #545775 ΔE 0.075
- Purple Brown #673A3F ΔE 0.082
- Charcoal Grey #3C4142 ΔE 0.083
Use #503D6A 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.