#503D50
Closest named color: Charcoal Grey (#3C4142). oklch(38.8% 0.04 326.3), rgb(80, 61, 80).
Aa
White text reads best on this color (9.88:1).
About this color
#503D50 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.040 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.047 away. White text reads best on it, at 9.88:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.12:1 |
| White text | 9.88:1 |
Values
| HEX | #503D50 |
| RGB | rgb(80, 61, 80) |
| HSL | hsl(300, 13%, 28%) |
| OKLCH | oklch(38.8% 0.04 326.3) |
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 #503D50 | 9.88:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #503D50 | 2.12:1 | Fails | Lc 11.0 | Not readable |
| #503D50 text on white | 9.88:1 | AAA | Lc 92.9 | Preferred for body text |
| #503D50 text on black | 2.12:1 | Fails | Lc -9.6 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#DFD5DF
oklch(88.4% 0.017 325.7)
-
Step 300
300
#CBBACB
oklch(80.8% 0.03 325.9)
-
Step 400
400
#B197B1
oklch(70.8% 0.048 326.1)
-
Step 500
500
#9E7D9E
oklch(63.2% 0.062 326.3)
-
Step 600
600
#886688
oklch(55.6% 0.066 326.4)
-
Step 700
700
#745474
oklch(49.1% 0.064 326.5)
-
Step 800
800
#5E455E
oklch(42.7% 0.052 326.4)
-
Step 900
900 (this color)
#503D50
oklch(38.8% 0.04 326.3)
-
Step 950
950
#2D222D
oklch(26.9% 0.026 326.3)
#503D50 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) | #3C4251 | 0.036 |
| Deuteranopia (no green cones) | #40444F | 0.034 |
| Tritanopia (no blue cones) | #513F44 | 0.023 |
| Achromatopsia (no color) | #434343 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503D50
#503D50
oklch(38.8% 0.04 326.3)
- #364A38
#364A38
oklch(38.6% 0.039 147.4)
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 #503D50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.047
- Purple Brown #673A3F ΔE 0.050
- Onyx #343A40 ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.062
- Charcoal #264653 ΔE 0.066
- Dark Slate Gray #2F4F4F ΔE 0.072
- Brownish Purple #76424E ΔE 0.076
- Dark Blue Grey #1F3B4D ΔE 0.078
Use #503D50 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.