#6B4E1E
Closest named color: Olive Brown (#645403). oklch(44.5% 0.075 77.1), rgb(107, 78, 30).
Aa
White text reads best on this color (7.68:1).
About this color
#6B4E1E is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.075 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.032 away. White text reads best on it, at 7.68:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.73:1 |
| White text | 7.68:1 |
Values
| HEX | #6B4E1E |
| RGB | rgb(107, 78, 30) |
| HSL | hsl(37, 56%, 27%) |
| OKLCH | oklch(44.5% 0.075 77.1) |
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 #6B4E1E | 7.68:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #6B4E1E | 2.73:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #6B4E1E text on white | 7.68:1 | AAA | Lc 86.6 | Fine for body text |
| #6B4E1E text on black | 2.73:1 | Fails | Lc -15.5 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E1
oklch(93.7% 0.013 75.4)
-
Step 200
200
#E2D7C8
oklch(88.4% 0.024 75.8)
-
Step 300
300
#D1BEA2
oklch(81% 0.044 77.6)
-
Step 400
400
#B99B6F
oklch(70.6% 0.069 76.8)
-
Step 500
500
#A88247
oklch(63.1% 0.09 76.9)
-
Step 600
600
#936B28
oklch(55.6% 0.097 76.9)
-
Step 700
700
#7D591A
oklch(49.1% 0.09 77.1)
-
Step 800
800 (this color)
#6B4E1E
oklch(44.5% 0.075 77.1)
-
Step 900
900
#533D1B
oklch(37.7% 0.058 76.2)
-
Step 950
950
#312411
oklch(27.1% 0.037 75.6)
#6B4E1E 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) | #594F18 | 0.034 |
| Deuteranopia (no green cones) | #605620 | 0.029 |
| Tritanopia (no blue cones) | #754644 | 0.065 |
| Achromatopsia (no color) | #535353 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4E1E
#6B4E1E
oklch(44.5% 0.075 77.1)
- #38557D
#38557D
oklch(44.5% 0.075 256.6)
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 #6B4E1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.032
- Mud Brown #60460F ΔE 0.033
- Milk Chocolate #7F4E1E ΔE 0.038
- Medium Brown #7F5112 ΔE 0.039
- Mud #735C12 ΔE 0.047
- Green Brown #544E03 ΔE 0.049
- Greeny Brown #696006 ΔE 0.059
- Saddle Brown #8B4513 ΔE 0.062
Use #6B4E1E 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.