#51440F
Closest named color: Mud Brown (#60460F). oklch(38.9% 0.071 94.7), rgb(81, 68, 15).
Aa
White text reads best on this color (9.61:1).
About this color
#51440F is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.071 and its hue 95°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.029 away. White text reads best on it, at 9.61:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.18:1 |
| White text | 9.61:1 |
Values
| HEX | #51440F |
| RGB | rgb(81, 68, 15) |
| HSL | hsl(48, 69%, 19%) |
| OKLCH | oklch(38.9% 0.071 94.7) |
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 #51440F | 9.61:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #51440F | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #51440F text on white | 9.61:1 | AAA | Lc 92.2 | Preferred for body text |
| #51440F text on black | 2.18:1 | Fails | Lc -10.2 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EDEADF
oklch(93.6% 0.015 94.2)
-
Step 200
200
#DFD9C4
oklch(88.4% 0.029 93.8)
-
Step 300
300
#CBC19A
oklch(80.9% 0.054 95.4)
-
Step 400
400
#B1A061
oklch(70.6% 0.085 94.8)
-
Step 500
500
#9E8830
oklch(63% 0.109 94.9)
-
Step 600
600
#897100
oklch(55.5% 0.114 94.1)
-
Step 700
700
#735F00
oklch(49.1% 0.101 94.6)
-
Step 800
800
#5E4E00
oklch(42.8% 0.088 95.4)
-
Step 900
900 (this color)
#51440F
oklch(38.9% 0.071 94.7)
-
Step 950
950
#2D2609
oklch(26.9% 0.045 95.6)
#51440F 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) | #4C4306 | 0.012 |
| Deuteranopia (no green cones) | #4F4712 | 0.009 |
| Tritanopia (no blue cones) | #583E3A | 0.066 |
| Achromatopsia (no color) | #454545 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51440F
#51440F
oklch(38.9% 0.071 94.7)
- #3A416B
#3A416B
oklch(38.9% 0.072 275.4)
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 #51440F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.029
- Green Brown #544E03 ΔE 0.034
- Dark Olive #373E02 ΔE 0.053
- Olive Brown #645403 ΔE 0.062
- Navy Green #35530A ΔE 0.063
- Army Green #4B5D16 ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.077
- Pine #2B5D34 ΔE 0.083
Use #51440F 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.