#6B4E1B
Closest named color: Olive Brown (#645403). oklch(44.5% 0.077 78.3), rgb(107, 78, 27).
Aa
White text reads best on this color (7.69:1).
About this color
#6B4E1B is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.077 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.030 away. White text reads best on it, at 7.69:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.73:1 |
| White text | 7.69:1 |
Values
| HEX | #6B4E1B |
| RGB | rgb(107, 78, 27) |
| HSL | hsl(38, 60%, 26%) |
| OKLCH | oklch(44.5% 0.077 78.3) |
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 #6B4E1B | 7.69:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #6B4E1B | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #6B4E1B text on white | 7.69:1 | AAA | Lc 86.6 | Fine for body text |
| #6B4E1B 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
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E2D8C7
oklch(88.6% 0.025 81.1)
-
Step 300
300
#D1BEA1
oklch(81% 0.045 78.4)
-
Step 400
400
#B99B6D
oklch(70.6% 0.071 77.9)
-
Step 500
500
#A88245
oklch(63% 0.092 77.7)
-
Step 600
600
#936B23
oklch(55.5% 0.1 78.2)
-
Step 700
700
#7D5915
oklch(49% 0.093 78.3)
-
Step 800
800 (this color)
#6B4E1B
oklch(44.5% 0.077 78.3)
-
Step 900
900
#533D19
oklch(37.6% 0.06 77.4)
-
Step 950
950
#312410
oklch(27% 0.038 76.8)
#6B4E1B 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) | #594F15 | 0.034 |
| Deuteranopia (no green cones) | #60561D | 0.029 |
| Tritanopia (no blue cones) | #754643 | 0.066 |
| Achromatopsia (no color) | #535353 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4E1B
#6B4E1B
oklch(44.5% 0.077 78.3)
- #38547E
#38547E
oklch(44.4% 0.077 258.3)
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 #6B4E1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.030
- Mud Brown #60460F ΔE 0.033
- Milk Chocolate #7F4E1E ΔE 0.038
- Medium Brown #7F5112 ΔE 0.039
- Mud #735C12 ΔE 0.046
- Green Brown #544E03 ΔE 0.047
- Greeny Brown #696006 ΔE 0.058
- Saddle Brown #8B4513 ΔE 0.062
Use #6B4E1B 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.