#6A3603
Closest named color: Chestnut (#742802). oklch(39.2% 0.093 56.7), rgb(106, 54, 3).
Aa
White text reads best on this color (9.80:1).
About this color
#6A3603 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.093 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.036 away. White text reads best on it, at 9.80:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.14:1 |
| White text | 9.80:1 |
Values
| HEX | #6A3603 |
| RGB | rgb(106, 54, 3) |
| HSL | hsl(30, 94%, 21%) |
| OKLCH | oklch(39.2% 0.093 56.7) |
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 #6A3603 | 9.80:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #6A3603 | 2.14:1 | Fails | Lc 11.6 | Not readable |
| #6A3603 text on white | 9.80:1 | AAA | Lc 92.3 | Preferred for body text |
| #6A3603 text on black | 2.14:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F5E7DD
oklch(93.6% 0.02 58.1)
-
Step 200
200
#EED3C1
oklch(88.5% 0.039 55.8)
-
Step 300
300
#E4B695
oklch(80.9% 0.07 57.2)
-
Step 400
400
#D58E58
oklch(70.7% 0.111 57)
-
Step 500
500
#C96F1C
oklch(63.2% 0.143 56.6)
-
Step 600
600
#AD5A00
oklch(55.6% 0.136 56.3)
-
Step 700
700
#924B00
oklch(49.1% 0.12 56.3)
-
Step 800
800
#783D00
oklch(42.7% 0.104 56.7)
-
Step 900
900 (this color)
#6A3603
oklch(39.2% 0.093 56.7)
-
Step 950
950
#3C1E05
oklch(27.1% 0.059 56.5)
#6A3603 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) | #463C00 | 0.072 |
| Deuteranopia (no green cones) | #524803 | 0.066 |
| Tritanopia (no blue cones) | #752A2D | 0.062 |
| Achromatopsia (no color) | #444444 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A3603
#6A3603
oklch(39.2% 0.093 56.7)
- #004B6D
#004B6D
oklch(39.1% 0.085 237)
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 #6A3603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.036
- Mud Brown #60460F ΔE 0.044
- Purple Brown #673A3F ΔE 0.066
- Rust Brown #8B3103 ΔE 0.068
- Red Brown #8B2E16 ΔE 0.071
- Reddy Brown #6E1005 ΔE 0.075
- Green Brown #544E03 ΔE 0.077
- Milk Chocolate #7F4E1E ΔE 0.079
Use #6A3603 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.