#504257
Closest named color: Charcoal Grey (#3C4142). oklch(40.2% 0.039 314.4), rgb(80, 66, 87).
Aa
White text reads best on this color (9.30:1).
About this color
#504257 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.039 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.051 away. White text reads best on it, at 9.30:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #504257 |
| RGB | rgb(80, 66, 87) |
| HSL | hsl(280, 14%, 30%) |
| OKLCH | oklch(40.2% 0.039 314.4) |
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 #504257 | 9.30:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #504257 | 2.25:1 | Fails | Lc 12.5 | Not readable |
| #504257 text on white | 9.30:1 | AAA | Lc 91.5 | Preferred for body text |
| #504257 text on black | 2.25:1 | Fails | Lc -10.9 | 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
#ECE8EE
oklch(93.6% 0.009 314.8)
-
Step 200
200
#DDD6E1
oklch(88.5% 0.017 313.6)
-
Step 300
300
#C8BBCE
oklch(80.9% 0.03 315.3)
-
Step 400
400
#AC98B5
oklch(70.7% 0.047 315.4)
-
Step 500
500
#977FA3
oklch(63.1% 0.06 314.4)
-
Step 600
600
#81688E
oklch(55.6% 0.065 313.9)
-
Step 700
700
#6D5679
oklch(49% 0.061 313.8)
-
Step 800
800
#594762
oklch(42.7% 0.049 314.3)
-
Step 900
900 (this color)
#504257
oklch(40.2% 0.039 314.4)
-
Step 950
950
#2B232F
oklch(27% 0.025 314.4)
#504257 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) | #3F4658 | 0.029 |
| Deuteranopia (no green cones) | #424756 | 0.027 |
| Tritanopia (no blue cones) | #504449 | 0.027 |
| Achromatopsia (no color) | #474747 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504257
#504257
oklch(40.2% 0.039 314.4)
- #3F4D38
#3F4D38
oklch(40.2% 0.039 135.3)
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 #504257, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.051
- Purple Brown #673A3F ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.058
- Charcoal #264653 ΔE 0.063
- Dark Slate Gray #2F4F4F ΔE 0.066
- Onyx #343A40 ΔE 0.067
- Dusty Grape #545775 ΔE 0.070
- Brownish Purple #76424E ΔE 0.072
Use #504257 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.