#662B05
Closest named color: Chestnut (#742802). oklch(36.7% 0.097 47.2), rgb(102, 43, 5).
Aa
White text reads best on this color (10.97:1).
About this color
#662B05 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.097 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.029 away. White text reads best on it, at 10.97:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.91:1 |
| White text | 10.97:1 |
Values
| HEX | #662B05 |
| RGB | rgb(102, 43, 5) |
| HSL | hsl(24, 91%, 21%) |
| OKLCH | oklch(36.7% 0.097 47.2) |
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 #662B05 | 10.97:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #662B05 | 1.91:1 | Fails | Lc 9.1 | Not readable |
| #662B05 text on white | 10.97:1 | AAA | Lc 94.8 | Preferred for body text |
| #662B05 text on black | 1.91:1 | Fails | Lc -7.8 | 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
#F6E6DE
oklch(93.6% 0.021 48.5)
-
Step 200
200
#F1D2C3
oklch(88.6% 0.04 47.4)
-
Step 300
300
#E9B399
oklch(81% 0.073 46.9)
-
Step 400
400
#DB895F
oklch(70.7% 0.116 47.4)
-
Step 500
500
#CF682E
oklch(63% 0.148 47)
-
Step 600
600
#B85000
oklch(55.7% 0.153 47.4)
-
Step 700
700
#9B4200
oklch(49% 0.135 47.3)
-
Step 800
800
#803500
oklch(42.6% 0.118 47.1)
-
Step 900
900 (this color)
#662B05
oklch(36.7% 0.097 47.2)
-
Step 950
950
#3E1C08
oklch(27.1% 0.061 48.4)
#662B05 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 | 0.088 |
| Deuteranopia (no green cones) | #4A4103 | 0.079 |
| Tritanopia (no blue cones) | #711D24 | 0.053 |
| Achromatopsia (no color) | #3C3C3C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662B05
#662B05
oklch(36.7% 0.097 47.2)
- #00465C
#00465C
oklch(36.8% 0.071 227.1)
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 #662B05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.029
- Reddy Brown #6E1005 ΔE 0.049
- Blood #770001 ΔE 0.063
- Purple Brown #673A3F ΔE 0.068
- Maroon #800000 ΔE 0.070
- Mud Brown #60460F ΔE 0.071
- Claret #680018 ΔE 0.076
- Wine Red #7B0323 ΔE 0.080
Use #662B05 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.