#51452E
Closest named color: Mud Brown (#60460F). oklch(39.6% 0.039 83.2), rgb(81, 69, 46).
Aa
White text reads best on this color (9.37:1).
About this color
#51452E is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.039 and its hue 83°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.041 away. White text reads best on it, at 9.37:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.24:1 |
| White text | 9.37:1 |
Values
| HEX | #51452E |
| RGB | rgb(81, 69, 46) |
| HSL | hsl(39, 28%, 25%) |
| OKLCH | oklch(39.6% 0.039 83.2) |
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 #51452E | 9.37:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #51452E | 2.24:1 | Fails | Lc 12.3 | Not readable |
| #51452E text on white | 9.37:1 | AAA | Lc 91.6 | Preferred for body text |
| #51452E text on black | 2.24:1 | Fails | Lc -10.7 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EDE9E4
oklch(93.6% 0.008 73.7)
-
Step 200
200
#DED8CD
oklch(88.4% 0.016 82.8)
-
Step 300
300
#CABFAC
oklch(80.9% 0.029 81.5)
-
Step 400
400
#AF9E7F
oklch(70.6% 0.047 82.5)
-
Step 500
500
#9B875F
oklch(63.2% 0.061 84.2)
-
Step 600
600
#867045
oklch(55.6% 0.066 83.3)
-
Step 700
700
#715E37
oklch(49.1% 0.061 84.3)
-
Step 800
800
#5C4D2E
oklch(42.8% 0.05 84.6)
-
Step 900
900 (this color)
#51452E
oklch(39.6% 0.039 83.2)
-
Step 950
950
#2C2518
oklch(26.8% 0.025 82.6)
#51452E 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) | #4B452C | 0.011 |
| Deuteranopia (no green cones) | #4E482F | 0.010 |
| Tritanopia (no blue cones) | #56413F | 0.035 |
| Achromatopsia (no color) | #464646 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51452E
#51452E
oklch(39.6% 0.039 83.2)
- #3C475C
#3C475C
oklch(39.7% 0.038 263.1)
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 #51452E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.051
- Green Brown #544E03 ΔE 0.056
- Purple Brown #673A3F ΔE 0.063
- Dark Slate Gray #2F4F4F ΔE 0.064
- Dark Olive #373E02 ΔE 0.071
- Onyx #343A40 ΔE 0.073
- Olive Brown #645403 ΔE 0.075
Use #51452E 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.