#6A3303
Closest named color: Chestnut (#742802). oklch(38.7% 0.095 53.6), rgb(106, 51, 3).
Aa
White text reads best on this color (10.05:1).
About this color
#6A3303 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.095 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.030 away. White text reads best on it, at 10.05:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #6A3303 |
| RGB | rgb(106, 51, 3) |
| HSL | hsl(28, 94%, 21%) |
| OKLCH | oklch(38.7% 0.095 53.6) |
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 #6A3303 | 10.05:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #6A3303 | 2.08:1 | Fails | Lc 11.1 | Not readable |
| #6A3303 text on white | 10.05:1 | AAA | Lc 92.9 | Preferred for body text |
| #6A3303 text on black | 2.08:1 | Fails | Lc -9.6 | 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
#F6E7DD
oklch(93.7% 0.021 56.1)
-
Step 200
200
#EFD3C1
oklch(88.5% 0.04 54.8)
-
Step 300
300
#E6B596
oklch(81% 0.071 53.8)
-
Step 400
400
#D88C59
oklch(70.7% 0.114 53.7)
-
Step 500
500
#CC6C20
oklch(63.1% 0.147 53.2)
-
Step 600
600
#B05700
oklch(55.5% 0.14 53.4)
-
Step 700
700
#954900
oklch(49.2% 0.124 53.7)
-
Step 800
800
#7B3B00
oklch(42.8% 0.108 53.6)
-
Step 900
900 (this color)
#6A3303
oklch(38.7% 0.095 53.6)
-
Step 950
950
#3D1D05
oklch(27.1% 0.061 53.7)
#6A3303 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) | #433A00 | 0.079 |
| Deuteranopia (no green cones) | #504702 | 0.072 |
| Tritanopia (no blue cones) | #75262B | 0.061 |
| Achromatopsia (no color) | #424242 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A3303
#6A3303
oklch(38.7% 0.095 53.6)
- #004A68
#004A68
oklch(38.6% 0.081 234)
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 #6A3303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.030
- Mud Brown #60460F ΔE 0.052
- Purple Brown #673A3F ΔE 0.065
- Reddy Brown #6E1005 ΔE 0.067
- Rust Brown #8B3103 ΔE 0.068
- Red Brown #8B2E16 ΔE 0.071
- Blood #770001 ΔE 0.078
- Maroon #800000 ΔE 0.079
Use #6A3303 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.