#504240
Closest named color: Charcoal Grey (#3C4142). oklch(39.3% 0.02 27.6), rgb(80, 66, 64).
Aa
White text reads best on this color (9.56:1).
About this color
#504240 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.035 away. White text reads best on it, at 9.56:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #504240 |
| RGB | rgb(80, 66, 64) |
| HSL | hsl(8, 11%, 28%) |
| OKLCH | oklch(39.3% 0.02 27.6) |
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 #504240 | 9.56:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #504240 | 2.19:1 | Fails | Lc 11.8 | Not readable |
| #504240 text on white | 9.56:1 | AAA | Lc 92.2 | Preferred for body text |
| #504240 text on black | 2.19:1 | Fails | Lc -10.2 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EDE9E8
oklch(93.7% 0.005 34.3)
-
Step 200
200
#DED7D6
oklch(88.4% 0.008 27.2)
-
Step 300
300
#CABDBB
oklch(80.9% 0.015 28)
-
Step 400
400
#AF9B99
oklch(70.6% 0.024 24.6)
-
Step 500
500
#9B837F
oklch(63.1% 0.03 29.1)
-
Step 600
600
#866C69
oklch(55.6% 0.034 25.9)
-
Step 700
700
#715A57
oklch(49% 0.031 26.9)
-
Step 800
800
#5C4A47
oklch(42.7% 0.025 29.2)
-
Step 900
900 (this color)
#504240
oklch(39.3% 0.02 27.6)
-
Step 950
950
#2C2423
oklch(26.9% 0.012 26.3)
#504240 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) | #454440 | 0.019 |
| Deuteranopia (no green cones) | #484640 | 0.018 |
| Tritanopia (no blue cones) | #534041 | 0.009 |
| Achromatopsia (no color) | #454545 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504240
#504240
oklch(39.3% 0.02 27.6)
- #3A494B
#3A494B
oklch(39.3% 0.019 206.3)
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 #504240, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.035
- Purple Brown #673A3F ΔE 0.047
- Onyx #343A40 ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.058
- Charcoal #264653 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.069
- Mud Brown #60460F ΔE 0.070
- Brownish Purple #76424E ΔE 0.076
Use #504240 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.