#503F63
Closest named color: Dark Grey Blue (#29465B). oklch(40.1% 0.063 305.4), rgb(80, 63, 99).
Aa
White text reads best on this color (9.40:1).
About this color
#503F63 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.063 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.064 away. White text reads best on it, at 9.40:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.23:1 |
| White text | 9.40:1 |
Values
| HEX | #503F63 |
| RGB | rgb(80, 63, 99) |
| HSL | hsl(268, 22%, 32%) |
| OKLCH | oklch(40.1% 0.063 305.4) |
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 #503F63 | 9.40:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #503F63 | 2.23:1 | Fails | Lc 12.3 | Not readable |
| #503F63 text on white | 9.40:1 | AAA | Lc 91.7 | Preferred for body text |
| #503F63 text on black | 2.23:1 | Fails | Lc -10.7 | 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
#DDD5E7
oklch(88.5% 0.026 305.8)
-
Step 300
300
#C8B9D9
oklch(80.8% 0.047 306.5)
-
Step 400
400
#AC95C6
oklch(70.7% 0.075 305.9)
-
Step 500
500
#977AB8
oklch(63% 0.096 305.2)
-
Step 600
600
#8262A4
oklch(55.5% 0.105 305.6)
-
Step 700
700
#6E518C
oklch(49% 0.097 305.8)
-
Step 800
800
#5A4372
oklch(42.8% 0.08 305.8)
-
Step 900
900 (this color)
#503F63
oklch(40.1% 0.063 305.4)
-
Step 950
950
#2B2136
oklch(26.9% 0.04 305.7)
#503F63 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) | #384664 | 0.042 |
| Deuteranopia (no green cones) | #3B4662 | 0.039 |
| Tritanopia (no blue cones) | #4D444C | 0.047 |
| Achromatopsia (no color) | #464646 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503F63
#503F63
oklch(40.1% 0.063 305.4)
- #404E27
#404E27
oklch(40.1% 0.063 125.3)
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 #503F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.064
- Dusk #4E5481 ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.070
- Purple Brown #673A3F ΔE 0.071
- Dusty Grape #545775 ΔE 0.071
- Charcoal #264653 ΔE 0.074
- Twilight #4E518B ΔE 0.075
Use #503F63 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.