#6A2903
Closest named color: Chestnut (#742802). oklch(37% 0.103 44.8), rgb(106, 41, 3).
Aa
White text reads best on this color (10.87:1).
About this color
#6A2903 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.103 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.021 away. White text reads best on it, at 10.87:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.93:1 |
| White text | 10.87:1 |
Values
| HEX | #6A2903 |
| RGB | rgb(106, 41, 3) |
| HSL | hsl(22, 94%, 21%) |
| OKLCH | oklch(37% 0.103 44.8) |
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 #6A2903 | 10.87:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #6A2903 | 1.93:1 | Fails | Lc 9.4 | Not readable |
| #6A2903 text on white | 10.87:1 | AAA | Lc 94.5 | Preferred for body text |
| #6A2903 text on black | 1.93:1 | Fails | Lc -8.1 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E6DE
oklch(93.7% 0.023 45.6)
-
Step 200
200
#F3D1C2
oklch(88.5% 0.043 45.2)
-
Step 300
300
#ECB197
oklch(80.8% 0.078 44.8)
-
Step 400
400
#E0865D
oklch(70.7% 0.124 44.7)
-
Step 500
500
#D56429
oklch(63.2% 0.159 44.9)
-
Step 600
600
#BB4C00
oklch(55.6% 0.159 44.9)
-
Step 700
700
#9E3F00
oklch(49.1% 0.14 44.9)
-
Step 800
800
#833300
oklch(42.8% 0.122 45)
-
Step 900
900 (this color)
#6A2903
oklch(37% 0.103 44.8)
-
Step 950
950
#401A07
oklch(27.1% 0.066 44.8)
#6A2903 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) | #3C3400 | 0.097 |
| Deuteranopia (no green cones) | #4C4300 | 0.089 |
| Tritanopia (no blue cones) | #751922 | 0.052 |
| Achromatopsia (no color) | #3D3D3D | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A2903
#6A2903
oklch(37% 0.103 44.8)
- #00475B
#00475B
oklch(37% 0.07 224.4)
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 #6A2903, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.021
- Reddy Brown #6E1005 ΔE 0.044
- Blood #770001 ΔE 0.056
- Maroon #800000 ΔE 0.062
- Purple Brown #673A3F ΔE 0.069
- Claret #680018 ΔE 0.073
- Wine Red #7B0323 ΔE 0.074
- Red Brown #8B2E16 ΔE 0.075
Use #6A2903 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.