#6B2405
Closest named color: Chestnut (#742802). oklch(36.4% 0.109 40.3), rgb(107, 36, 5).
Aa
White text reads best on this color (11.17:1).
About this color
#6B2405 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.109 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.023 away. White text reads best on it, at 11.17:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.87:1 |
| White text | 11.17:1 |
Values
| HEX | #6B2405 |
| RGB | rgb(107, 36, 5) |
| HSL | hsl(18, 91%, 22%) |
| OKLCH | oklch(36.4% 0.109 40.3) |
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 #6B2405 | 11.17:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #6B2405 | 1.87:1 | Fails | Lc 8.9 | Not readable |
| #6B2405 text on white | 11.17:1 | AAA | Lc 95.0 | Preferred for body text |
| #6B2405 text on black | 1.87:1 | Fails | Lc -7.6 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F9E5DE
oklch(93.6% 0.024 40.3)
-
Step 200
200
#F5D0C3
oklch(88.6% 0.045 40.3)
-
Step 300
300
#EFAF99
oklch(80.8% 0.082 39.8)
-
Step 400
400
#E4825F
oklch(70.6% 0.131 40.2)
-
Step 500
500
#DA5E2F
oklch(63.1% 0.167 39.9)
-
Step 600
600
#C24300
oklch(55.5% 0.173 40.3)
-
Step 700
700
#A43700
oklch(49% 0.153 40.1)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900 (this color)
#6B2405
oklch(36.4% 0.109 40.3)
-
Step 950
950
#411809
oklch(26.9% 0.069 39.8)
#6B2405 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) | #393101 | 0.107 |
| Deuteranopia (no green cones) | #4A4102 | 0.097 |
| Tritanopia (no blue cones) | #77101F | 0.050 |
| Achromatopsia (no color) | #3B3B3B | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2405
#6B2405
oklch(36.4% 0.109 40.3)
- #004656
#004656
oklch(36.4% 0.066 219.5)
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 #6B2405, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.023
- Reddy Brown #6E1005 ΔE 0.032
- Blood #770001 ΔE 0.046
- Maroon #800000 ΔE 0.054
- Claret #680018 ΔE 0.062
- Wine Red #7B0323 ΔE 0.064
- Dark Red #8B0000 ΔE 0.071
- Purple Brown #673A3F ΔE 0.072
Use #6B2405 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.