#504139
Closest named color: Charcoal Grey (#3C4142). oklch(38.9% 0.025 49.7), rgb(80, 65, 57).
Aa
White text reads best on this color (9.73:1).
About this color
#504139 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.036 away. White text reads best on it, at 9.73:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.15:1 |
| White text | 9.73:1 |
Values
| HEX | #504139 |
| RGB | rgb(80, 65, 57) |
| HSL | hsl(21, 17%, 27%) |
| OKLCH | oklch(38.9% 0.025 49.7) |
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 #504139 | 9.73:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #504139 | 2.15:1 | Fails | Lc 11.4 | Not readable |
| #504139 text on white | 9.73:1 | AAA | Lc 92.6 | Preferred for body text |
| #504139 text on black | 2.15:1 | Fails | Lc -9.9 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E7
oklch(93.7% 0.005 48.7)
-
Step 200
200
#DFD7D3
oklch(88.4% 0.01 48.6)
-
Step 300
300
#CBBDB6
oklch(80.8% 0.019 48.5)
-
Step 400
400
#B19C91
oklch(70.8% 0.03 49.4)
-
Step 500
500
#9D8375
oklch(63% 0.038 49.9)
-
Step 600
600
#886D5E
oklch(55.7% 0.041 50.6)
-
Step 700
700
#735B4D
oklch(49.1% 0.038 51.8)
-
Step 800
800
#5E4A40
oklch(42.7% 0.032 48)
-
Step 900
900 (this color)
#504139
oklch(38.9% 0.025 49.7)
-
Step 950
950
#2D2420
oklch(26.9% 0.016 45.3)
#504139 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) | #454238 | 0.020 |
| Deuteranopia (no green cones) | #484539 | 0.018 |
| Tritanopia (no blue cones) | #543F3F | 0.015 |
| Achromatopsia (no color) | #444444 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504139
#504139
oklch(38.9% 0.025 49.7)
- #37474F
#37474F
oklch(38.7% 0.025 229.8)
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 #504139, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.036
- Purple Brown #673A3F ΔE 0.049
- Onyx #343A40 ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.062
- Mud Brown #60460F ΔE 0.062
- Charcoal #264653 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.075
- Green Brown #544E03 ΔE 0.080
Use #504139 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.