#6A2503
Closest named color: Chestnut (#742802). oklch(36.4% 0.107 41.9), rgb(106, 37, 3).
Aa
White text reads best on this color (11.17:1).
About this color
#6A2503 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.107 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.024 away. White text reads best on it, at 11.17:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.107) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.87:1 |
| White text | 11.17:1 |
Values
| HEX | #6A2503 |
| RGB | rgb(106, 37, 3) |
| HSL | hsl(20, 94%, 21%) |
| OKLCH | oklch(36.4% 0.107 41.9) |
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 #6A2503 | 11.17:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #6A2503 | 1.87:1 | Fails | Lc 8.9 | Not readable |
| #6A2503 text on white | 11.17:1 | AAA | Lc 95.0 | Preferred for body text |
| #6A2503 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
#F8E5DE
oklch(93.5% 0.023 41.4)
-
Step 200
200
#F4D0C3
oklch(88.5% 0.044 40.9)
-
Step 300
300
#EEB098
oklch(80.9% 0.08 42.1)
-
Step 400
400
#E3845E
oklch(70.8% 0.128 42.2)
-
Step 500
500
#D8602C
oklch(63.1% 0.164 41.8)
-
Step 600
600
#C04700
oklch(55.7% 0.168 42)
-
Step 700
700
#A23A00
oklch(49% 0.149 41.7)
-
Step 800
800
#862F00
oklch(42.8% 0.129 42)
-
Step 900
900 (this color)
#6A2503
oklch(36.4% 0.107 41.9)
-
Step 950
950
#411908
oklch(27.1% 0.068 42)
#6A2503 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) | #393100 | 0.104 |
| Deuteranopia (no green cones) | #4A4100 | 0.094 |
| Tritanopia (no blue cones) | #75121F | 0.051 |
| Achromatopsia (no color) | #3B3B3B | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A2503
#6A2503
oklch(36.4% 0.107 41.9)
- #004657
#004657
oklch(36.5% 0.067 220.9)
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 #6A2503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.024
- Reddy Brown #6E1005 ΔE 0.035
- Blood #770001 ΔE 0.049
- Maroon #800000 ΔE 0.057
- Claret #680018 ΔE 0.065
- Wine Red #7B0323 ΔE 0.068
- Purple Brown #673A3F ΔE 0.072
- Dark Red #8B0000 ΔE 0.074
Use #6A2503 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.