#504137
Closest named color: Charcoal Grey (#3C4142). oklch(38.8% 0.027 55.5), rgb(80, 65, 55).
Aa
White text reads best on this color (9.75:1).
About this color
#504137 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.037 away. White text reads best on it, at 9.75:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #504137 |
| RGB | rgb(80, 65, 55) |
| HSL | hsl(24, 19%, 26%) |
| OKLCH | oklch(38.8% 0.027 55.5) |
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 #504137 | 9.75:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #504137 | 2.15:1 | Fails | Lc 11.3 | Not readable |
| #504137 text on white | 9.75:1 | AAA | Lc 92.6 | Preferred for body text |
| #504137 text on black | 2.15:1 | Fails | Lc -9.8 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E6
oklch(93.6% 0.006 59.6)
-
Step 200
200
#DFD7D2
oklch(88.4% 0.011 54.5)
-
Step 300
300
#CBBEB5
oklch(81% 0.019 57.2)
-
Step 400
400
#B19C8E
oklch(70.7% 0.032 55.8)
-
Step 500
500
#9D8372
oklch(62.9% 0.041 55)
-
Step 600
600
#886D5B
oklch(55.6% 0.044 55.3)
-
Step 700
700
#735B4A
oklch(49.1% 0.041 56.9)
-
Step 800
800
#5E4A3D
oklch(42.6% 0.034 54.6)
-
Step 900
900 (this color)
#504137
oklch(38.8% 0.027 55.5)
-
Step 950
950
#2D241F
oklch(26.9% 0.016 50.7)
#504137 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) | #454236 | 0.020 |
| Deuteranopia (no green cones) | #494537 | 0.017 |
| Tritanopia (no blue cones) | #553E3E | 0.019 |
| Achromatopsia (no color) | #444444 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504137
#504137
oklch(38.8% 0.027 55.5)
- #374751
#374751
oklch(38.8% 0.027 235.8)
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 #504137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.037
- Purple Brown #673A3F ΔE 0.051
- Onyx #343A40 ΔE 0.058
- Mud Brown #60460F ΔE 0.060
- Dark Slate Gray #2F4F4F ΔE 0.062
- Charcoal #264653 ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.077
- Green Brown #544E03 ΔE 0.077
Use #504137 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.