#6C511F
Closest named color: Olive Brown (#645403). oklch(45.3% 0.075 80.1), rgb(108, 81, 31).
Aa
White text reads best on this color (7.40:1).
About this color
#6C511F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.075 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.028 away. White text reads best on it, at 7.40:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.83:1 |
| White text | 7.40:1 |
Values
| HEX | #6C511F |
| RGB | rgb(108, 81, 31) |
| HSL | hsl(39, 55%, 27%) |
| OKLCH | oklch(45.3% 0.075 80.1) |
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 #6C511F | 7.40:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #6C511F | 2.83:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #6C511F text on white | 7.40:1 | AAA | Lc 85.6 | Fine for body text |
| #6C511F text on black | 2.83:1 | Fails | Lc -16.4 | Dividers and decoration only |
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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EEE9E1
oklch(93.6% 0.012 79.8)
-
Step 200
200
#E2D8C7
oklch(88.6% 0.025 81.1)
-
Step 300
300
#D0BEA1
oklch(80.9% 0.044 79.7)
-
Step 400
400
#B89C6E
oklch(70.7% 0.07 79.6)
-
Step 500
500
#A68346
oklch(63% 0.09 79.8)
-
Step 600
600
#916C25
oklch(55.5% 0.098 80.1)
-
Step 700
700
#7C5A18
oklch(49.1% 0.091 79.5)
-
Step 800
800 (this color)
#6C511F
oklch(45.3% 0.075 80.1)
-
Step 900
900
#523E1A
oklch(37.7% 0.059 80.1)
-
Step 950
950
#302410
oklch(26.9% 0.037 78.9)
#6C511F 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) | #5C5119 | 0.030 |
| Deuteranopia (no green cones) | #625821 | 0.025 |
| Tritanopia (no blue cones) | #754946 | 0.065 |
| Achromatopsia (no color) | #555555 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C511F
#6C511F
oklch(45.3% 0.075 80.1)
- #3D5680
#3D5680
oklch(45.2% 0.076 260.4)
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 #6C511F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.028
- Medium Brown #7F5112 ΔE 0.035
- Milk Chocolate #7F4E1E ΔE 0.035
- Mud #735C12 ΔE 0.039
- Mud Brown #60460F ΔE 0.041
- Green Brown #544E03 ΔE 0.051
- Greeny Brown #696006 ΔE 0.051
- Saddle Brown #8B4513 ΔE 0.062
Use #6C511F 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.