#6B451D
Closest named color: Mud Brown (#60460F). oklch(42.6% 0.076 64.5), rgb(107, 69, 29).
Aa
White text reads best on this color (8.41:1).
About this color
#6B451D is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.076 and its hue 64°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.026 away. White text reads best on it, at 8.41:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.49:1 |
| White text | 8.41:1 |
Values
| HEX | #6B451D |
| RGB | rgb(107, 69, 29) |
| HSL | hsl(31, 57%, 27%) |
| OKLCH | oklch(42.6% 0.076 64.5) |
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 #6B451D | 8.41:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #6B451D | 2.49:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #6B451D text on white | 8.41:1 | AAA | Lc 88.8 | Fine for body text |
| #6B451D text on black | 2.49:1 | Fails | Lc -13.4 | 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 800.
-
Step 50
50
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E8E1
oklch(93.5% 0.013 63.9)
-
Step 200
200
#E5D6C9
oklch(88.5% 0.024 63.5)
-
Step 300
300
#D5BBA3
oklch(80.8% 0.044 64.9)
-
Step 400
400
#C09872
oklch(70.8% 0.071 64.8)
-
Step 500
500
#B07E4C
oklch(63.2% 0.091 64.9)
-
Step 600
600
#9B662F
oklch(55.6% 0.098 64.2)
-
Step 700
700
#845421
oklch(49% 0.091 64.1)
-
Step 800
800 (this color)
#6B451D
oklch(42.6% 0.076 64.5)
-
Step 900
900
#573B1E
oklch(37.8% 0.058 65.4)
-
Step 950
950
#332212
oklch(26.9% 0.037 63.4)
#6B451D 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) | #514819 | 0.049 |
| Deuteranopia (no green cones) | #5A511E | 0.045 |
| Tritanopia (no blue cones) | #753C3C | 0.058 |
| Achromatopsia (no color) | #4D4D4D | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B451D
#6B451D
oklch(42.6% 0.076 64.5)
- #265375
#265375
oklch(42.7% 0.075 243.8)
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 #6B451D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.026
- Milk Chocolate #7F4E1E ΔE 0.048
- Olive Brown #645403 ΔE 0.053
- Medium Brown #7F5112 ΔE 0.055
- Green Brown #544E03 ΔE 0.057
- Saddle Brown #8B4513 ΔE 0.062
- Purple Brown #673A3F ΔE 0.065
- Chestnut #742802 ΔE 0.067
Use #6B451D 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.