#503F5D
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.054 309.9), rgb(80, 63, 93).
Aa
White text reads best on this color (9.50:1).
About this color
#503F5D is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.054 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.061 away. White text reads best on it, at 9.50:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.21:1 |
| White text | 9.50:1 |
Values
| HEX | #503F5D |
| RGB | rgb(80, 63, 93) |
| HSL | hsl(274, 19%, 31%) |
| OKLCH | oklch(39.8% 0.054 309.9) |
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 #503F5D | 9.50:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #503F5D | 2.21:1 | Fails | Lc 12.0 | Not readable |
| #503F5D text on white | 9.50:1 | AAA | Lc 92.0 | Preferred for body text |
| #503F5D text on black | 2.21:1 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DED5E5
oklch(88.5% 0.024 310.7)
-
Step 300
300
#C9BAD5
oklch(81% 0.041 310.2)
-
Step 400
400
#AD96BF
oklch(70.7% 0.064 310.1)
-
Step 500
500
#997CAF
oklch(63.2% 0.082 310)
-
Step 600
600
#83649B
oklch(55.6% 0.09 309.5)
-
Step 700
700
#6F5384
oklch(49.1% 0.083 309.8)
-
Step 800
800
#5B446B
oklch(42.7% 0.069 310.7)
-
Step 900
900 (this color)
#503F5D
oklch(39.8% 0.054 309.9)
-
Step 950
950
#2B2233
oklch(27% 0.033 308.4)
#503F5D 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) | #3A455E | 0.038 |
| Deuteranopia (no green cones) | #3D465C | 0.036 |
| Tritanopia (no blue cones) | #4F434A | 0.038 |
| Achromatopsia (no color) | #464646 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503F5D
#503F5D
oklch(39.8% 0.054 309.9)
- #3E4D2E
#3E4D2E
oklch(39.8% 0.053 129.5)
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 #503F5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.062
- Purple Brown #673A3F ΔE 0.063
- Charcoal #264653 ΔE 0.069
- Onyx #343A40 ΔE 0.072
- Dusty Grape #545775 ΔE 0.073
- Dusk #4E5481 ΔE 0.074
- Dark Slate Gray #2F4F4F ΔE 0.077
Use #503F5D 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.