#6B451C
Closest named color: Mud Brown (#60460F). oklch(42.6% 0.076 65), rgb(107, 69, 28).
Aa
White text reads best on this color (8.42:1).
About this color
#6B451C is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.076 and its hue 65°. 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 8.42:1.
| 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 | 8.42:1 |
Values
| HEX | #6B451C |
| RGB | rgb(107, 69, 28) |
| HSL | hsl(31, 59%, 26%) |
| OKLCH | oklch(42.6% 0.076 65) |
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 #6B451C | 8.42:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #6B451C | 2.49:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #6B451C text on white | 8.42:1 | AAA | Lc 88.8 | Fine for body text |
| #6B451C 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
#C09871
oklch(70.7% 0.072 65.5)
-
Step 500
500
#B07E4B
oklch(63.2% 0.092 65.4)
-
Step 600
600
#9B662D
oklch(55.6% 0.099 65)
-
Step 700
700
#845520
oklch(49.2% 0.092 65.6)
-
Step 800
800 (this color)
#6B451C
oklch(42.6% 0.076 65)
-
Step 900
900
#573B1D
oklch(37.8% 0.059 66.2)
-
Step 950
950
#332212
oklch(26.9% 0.037 63.4)
#6B451C 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) | #514817 | 0.050 |
| Deuteranopia (no green cones) | #5A511D | 0.045 |
| Tritanopia (no blue cones) | #753C3C | 0.059 |
| Achromatopsia (no color) | #4D4D4D | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B451C
#6B451C
oklch(42.6% 0.076 65)
- #265275
#265275
oklch(42.4% 0.076 245)
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 #6B451C, 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 0.052
- Medium Brown #7F5112 ΔE 0.054
- Green Brown #544E03 ΔE 0.056
- Saddle Brown #8B4513 ΔE 0.062
- Purple Brown #673A3F ΔE 0.066
- Chestnut #742802 ΔE 0.067
Use #6B451C 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.