#51472D
Closest named color: Mud Brown (#60460F). oklch(40.1% 0.042 89.3), rgb(81, 71, 45).
Aa
White text reads best on this color (9.17:1).
About this color
#51472D is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.042 and its hue 89°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.037 away. White text reads best on it, at 9.17:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.28:1 |
| White text | 9.17:1 |
Values
| HEX | #51472D |
| RGB | rgb(81, 71, 45) |
| HSL | hsl(43, 29%, 25%) |
| OKLCH | oklch(40.1% 0.042 89.3) |
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 #51472D | 9.17:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #51472D | 2.28:1 | Fails | Lc 12.8 | Not readable |
| #51472D text on white | 9.17:1 | AAA | Lc 91.1 | Preferred for body text |
| #51472D text on black | 2.28:1 | Fails | Lc -11.2 | 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#ECEAE3
oklch(93.7% 0.01 93.6)
-
Step 200
200
#DED9CC
oklch(88.6% 0.018 89.4)
-
Step 300
300
#C9C0AA
oklch(80.9% 0.032 88.4)
-
Step 400
400
#ADA07D
oklch(70.8% 0.051 90.1)
-
Step 500
500
#99885B
oklch(63.1% 0.065 89.6)
-
Step 600
600
#847141
oklch(55.5% 0.07 88.5)
-
Step 700
700
#705F33
oklch(49.2% 0.066 88.8)
-
Step 800
800
#5B4E2B
oklch(42.8% 0.054 89.7)
-
Step 900
900 (this color)
#51472D
oklch(40.1% 0.042 89.3)
-
Step 950
950
#2C2617
oklch(27.1% 0.027 88.6)
#51472D 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) | #4D462B | 0.008 |
| Deuteranopia (no green cones) | #4F492E | 0.006 |
| Tritanopia (no blue cones) | #564340 | 0.037 |
| Achromatopsia (no color) | #484848 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51472D
#51472D
oklch(40.1% 0.042 89.3)
- #3F475F
#3F475F
oklch(40.1% 0.042 270.2)
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 #51472D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.037
- Green Brown #544E03 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.064
- Purple Brown #673A3F ΔE 0.068
- Olive Brown #645403 ΔE 0.069
- Dark Olive #373E02 ΔE 0.071
- Navy Green #35530A ΔE 0.076
Use #51472D 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.