#503128
Closest named color: Charcoal Grey (#3C4142). oklch(34.8% 0.048 36.9), rgb(80, 49, 40).
Aa
White text reads best on this color (11.59:1).
About this color
#503128 is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.048 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.060 away. White text reads best on it, at 11.59:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.81:1 |
| White text | 11.59:1 |
Values
| HEX | #503128 |
| RGB | rgb(80, 49, 40) |
| HSL | hsl(14, 33%, 24%) |
| OKLCH | oklch(34.8% 0.048 36.9) |
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 #503128 | 11.59:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #503128 | 1.81:1 | Fails | Lc 7.3 | Not readable |
| #503128 text on white | 11.59:1 | AAA | Lc 96.6 | Preferred for body text |
| #503128 text on black | 1.81:1 | Fails | Lc 0.0 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E8E5
oklch(93.7% 0.011 39.4)
-
Step 200
200
#E6D5D0
oklch(88.5% 0.02 37)
-
Step 300
300
#D7B9B0
oklch(80.9% 0.037 37.3)
-
Step 400
400
#C19587
oklch(70.7% 0.057 38.4)
-
Step 500
500
#B17A6A
oklch(63.1% 0.073 36.9)
-
Step 600
600
#9C6251
oklch(55.5% 0.08 37.1)
-
Step 700
700
#855142
oklch(49.1% 0.074 36.9)
-
Step 800
800
#6C4336
oklch(42.7% 0.061 38.3)
-
Step 900
900 (this color)
#503128
oklch(34.8% 0.048 36.9)
-
Step 950
950
#34211C
oklch(27% 0.031 35.3)
#503128 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) | #383527 | 0.047 |
| Deuteranopia (no green cones) | #403B28 | 0.042 |
| Tritanopia (no blue cones) | #572C2F | 0.025 |
| Achromatopsia (no color) | #393939 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503128
#503128
oklch(34.8% 0.048 36.9)
- #18404A
#18404A
oklch(34.8% 0.048 216.8)
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 #503128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.060
- Onyx #343A40 ΔE 0.060
- Purple Brown #673A3F ΔE 0.063
- Chestnut #742802 ΔE 0.077
- Gunmetal #293241 ΔE 0.080
- Reddy Brown #6E1005 ΔE 0.081
- Pakistan Green #283618 ΔE 0.082
- Chocolate Brown #411900 ΔE 0.083
Use #503128 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.