#51301D
Closest named color: Charcoal Grey (#3C4142). oklch(34.5% 0.057 49.9), rgb(81, 48, 29).
Aa
White text reads best on this color (11.72:1).
About this color
#51301D is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.057 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.069 away. White text reads best on it, at 11.72:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.79:1 |
| White text | 11.72:1 |
Values
| HEX | #51301D |
| RGB | rgb(81, 48, 29) |
| HSL | hsl(22, 47%, 22%) |
| OKLCH | oklch(34.5% 0.057 49.9) |
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 #51301D | 11.72:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #51301D | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #51301D text on white | 11.72:1 | AAA | Lc 96.8 | Preferred for body text |
| #51301D text on black | 1.79:1 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E3
oklch(93.7% 0.012 51.3)
-
Step 200
200
#E7D5CC
oklch(88.5% 0.024 48.4)
-
Step 300
300
#D8B9A9
oklch(80.8% 0.042 49)
-
Step 400
400
#C4957A
oklch(70.8% 0.068 51.1)
-
Step 500
500
#B47A58
oklch(63.1% 0.087 51)
-
Step 600
600
#A0623E
oklch(55.7% 0.095 50)
-
Step 700
700
#885130
oklch(49.1% 0.088 50.5)
-
Step 800
800
#6F4228
oklch(42.7% 0.074 49.8)
-
Step 900
900 (this color)
#51301D
oklch(34.5% 0.057 49.9)
-
Step 950
950
#352116
oklch(27% 0.037 49.5)
#51301D 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) | #39341B | 0.048 |
| Deuteranopia (no green cones) | #413B1D | 0.044 |
| Tritanopia (no blue cones) | #592A2B | 0.035 |
| Achromatopsia (no color) | #383838 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51301D
#51301D
oklch(34.5% 0.057 49.9)
- #133F51
#133F51
oklch(34.7% 0.057 229)
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 #51301D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.069
- Onyx #343A40 ΔE 0.070
- Purple Brown #673A3F ΔE 0.071
- Chestnut #742802 ΔE 0.072
- Dark Olive #373E02 ΔE 0.076
- Chocolate Brown #411900 ΔE 0.077
- Reddy Brown #6E1005 ΔE 0.077
- Pakistan Green #283618 ΔE 0.078
Use #51301D 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.