#503E39
Closest named color: Charcoal Grey (#3C4142). oklch(38.2% 0.027 36), rgb(80, 62, 57).
Aa
White text reads best on this color (10.05:1).
About this color
#503E39 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.027. 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 10.05:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #503E39 |
| RGB | rgb(80, 62, 57) |
| HSL | hsl(13, 17%, 27%) |
| OKLCH | oklch(38.2% 0.027 36) |
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 #503E39 | 10.05:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #503E39 | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #503E39 text on white | 10.05:1 | AAA | Lc 93.3 | Preferred for body text |
| #503E39 text on black | 2.08:1 | Fails | Lc -9.2 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EEE8E7
oklch(93.5% 0.007 28.8)
-
Step 200
200
#E0D7D4
oklch(88.5% 0.011 39.4)
-
Step 300
300
#CDBCB8
oklch(80.8% 0.02 33.4)
-
Step 400
400
#B49A93
oklch(70.7% 0.033 35.5)
-
Step 500
500
#A18178
oklch(63.1% 0.042 36.2)
-
Step 600
600
#8B6A61
oklch(55.5% 0.045 35.8)
-
Step 700
700
#765950
oklch(49.1% 0.041 37.9)
-
Step 800
800
#604942
oklch(42.8% 0.034 37.6)
-
Step 900
900 (this color)
#503E39
oklch(38.2% 0.027 36)
-
Step 950
950
#2E2421
oklch(27.1% 0.016 37.3)
#503E39 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) | #424039 | 0.025 |
| Deuteranopia (no green cones) | #464339 | 0.023 |
| Tritanopia (no blue cones) | #543C3D | 0.013 |
| Achromatopsia (no color) | #424242 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503E39
#503E39
oklch(38.2% 0.027 36)
- #33474C
#33474C
oklch(38.3% 0.026 214.8)
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 #503E39, 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 0.053
- Dark Slate Gray #2F4F4F ΔE 0.067
- Mud Brown #60460F ΔE 0.068
- Charcoal #264653 ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.075
- Brownish Purple #76424E ΔE 0.082
Use #503E39 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.