#504155
Closest named color: Charcoal Grey (#3C4142). oklch(39.9% 0.038 317.6), rgb(80, 65, 85).
Aa
White text reads best on this color (9.42:1).
About this color
#504155 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.038 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.049 away. White text reads best on it, at 9.42:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.22:1 |
| White text | 9.42:1 |
Values
| HEX | #504155 |
| RGB | rgb(80, 65, 85) |
| HSL | hsl(285, 13%, 29%) |
| OKLCH | oklch(39.9% 0.038 317.6) |
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 #504155 | 9.42:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #504155 | 2.22:1 | Fails | Lc 12.2 | Not readable |
| #504155 text on white | 9.42:1 | AAA | Lc 91.8 | Preferred for body text |
| #504155 text on black | 2.22:1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8ED
oklch(93.6% 0.008 319.4)
-
Step 200
200
#DED6E0
oklch(88.5% 0.016 319.4)
-
Step 300
300
#C8BBCD
oklch(80.8% 0.029 316.7)
-
Step 400
400
#AD98B4
oklch(70.7% 0.047 317.7)
-
Step 500
500
#987FA1
oklch(63.1% 0.058 317.1)
-
Step 600
600
#83688C
oklch(55.7% 0.063 317.6)
-
Step 700
700
#6F5677
oklch(49.1% 0.06 317.8)
-
Step 800
800
#5A4761
oklch(42.8% 0.048 316.8)
-
Step 900
900 (this color)
#504155
oklch(39.9% 0.038 317.6)
-
Step 950
950
#2B232E
oklch(27% 0.023 316.8)
#504155 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) | #3F4556 | 0.029 |
| Deuteranopia (no green cones) | #424754 | 0.029 |
| Tritanopia (no blue cones) | #504348 | 0.025 |
| Achromatopsia (no color) | #464646 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504155
#504155
oklch(39.9% 0.038 317.6)
- #3D4C38
#3D4C38
oklch(39.7% 0.038 138)
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 #504155, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.049
- Purple Brown #673A3F ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.058
- Charcoal #264653 ΔE 0.063
- Onyx #343A40 ΔE 0.064
- Dark Slate Gray #2F4F4F ΔE 0.067
- Brownish Purple #76424E ΔE 0.073
- Dusty Grape #545775 ΔE 0.074
Use #504155 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.