#503E63
Closest named color: Dark Grey Blue (#29465B). oklch(39.9% 0.065 306), rgb(80, 62, 99).
Aa
White text reads best on this color (9.50:1).
About this color
#503E63 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.065 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.065 away. White text reads best on it, at 9.50:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.21:1 |
| White text | 9.50:1 |
Values
| HEX | #503E63 |
| RGB | rgb(80, 62, 99) |
| HSL | hsl(269, 23%, 32%) |
| OKLCH | oklch(39.9% 0.065 306) |
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 #503E63 | 9.50:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #503E63 | 2.21:1 | Fails | Lc 12.0 | Not readable |
| #503E63 text on white | 9.50:1 | AAA | Lc 91.9 | Preferred for body text |
| #503E63 text on black | 2.21:1 | Fails | Lc -10.5 | 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
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E8
oklch(88.5% 0.027 304.8)
-
Step 300
300
#C8B9DA
oklch(80.9% 0.049 305.9)
-
Step 400
400
#AC94C7
oklch(70.6% 0.078 305.9)
-
Step 500
500
#9879B9
oklch(63% 0.1 305.9)
-
Step 600
600
#8362A5
oklch(55.7% 0.107 305.9)
-
Step 700
700
#6F508D
oklch(49% 0.1 306.5)
-
Step 800
800
#5A4273
oklch(42.7% 0.083 305.7)
-
Step 900
900 (this color)
#503E63
oklch(39.9% 0.065 306)
-
Step 950
950
#2B2136
oklch(26.9% 0.04 305.7)
#503E63 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) | #364564 | 0.044 |
| Deuteranopia (no green cones) | #3A4662 | 0.041 |
| Tritanopia (no blue cones) | #4D444C | 0.049 |
| Achromatopsia (no color) | #464646 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503E63
#503E63
oklch(39.9% 0.065 306)
- #3F4E26
#3F4E26
oklch(40% 0.064 126)
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 #503E63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.070
- Dusk #4E5481 ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.071
- Purple Brown #673A3F ΔE 0.071
- Dusty Grape #545775 ΔE 0.074
- Charcoal #264653 ΔE 0.075
- Twilight #4E518B ΔE 0.076
Use #503E63 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.