#66342C
Closest named color: Purple Brown (#673A3F). oklch(38.8% 0.074 30.3), rgb(102, 52, 44).
Aa
White text reads best on this color (10.03:1).
About this color
#66342C is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.074 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.029 away. White text reads best on it, at 10.03:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.09:1 |
| White text | 10.03:1 |
Values
| HEX | #66342C |
| RGB | rgb(102, 52, 44) |
| HSL | hsl(8, 40%, 29%) |
| OKLCH | oklch(38.8% 0.074 30.3) |
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 #66342C | 10.03:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #66342C | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #66342C text on white | 10.03:1 | AAA | Lc 93.0 | Preferred for body text |
| #66342C text on black | 2.09:1 | Fails | Lc -9.5 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E4
oklch(93.5% 0.016 27.3)
-
Step 200
200
#EDD2CD
oklch(88.5% 0.031 30.2)
-
Step 300
300
#E2B4AC
oklch(80.9% 0.055 29.7)
-
Step 400
400
#D28C80
oklch(70.8% 0.088 30.1)
-
Step 500
500
#C46E60
oklch(63.1% 0.112 30.3)
-
Step 600
600
#AF5446
oklch(55.5% 0.122 30.4)
-
Step 700
700
#974438
oklch(49.2% 0.114 30.1)
-
Step 800
800
#7A382E
oklch(42.6% 0.094 30.3)
-
Step 900
900 (this color)
#66342C
oklch(38.8% 0.074 30.3)
-
Step 950
950
#3A1D18
oklch(26.9% 0.047 30.8)
#66342C 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) | #403C2B | 0.075 |
| Deuteranopia (no green cones) | #4C462B | 0.069 |
| Tritanopia (no blue cones) | #6F2C32 | 0.029 |
| Achromatopsia (no color) | #424242 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66342C
#66342C
oklch(38.8% 0.074 30.3)
- #004E58
#004E58
oklch(38.8% 0.067 209.5)
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 #66342C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.029
- Chestnut #742802 ΔE 0.046
- Brownish Purple #76424E ΔE 0.066
- Reddy Brown #6E1005 ΔE 0.068
- Mud Brown #60460F ΔE 0.070
- Red Brown #8B2E16 ΔE 0.076
- Wine Red #7B0323 ΔE 0.079
- Blood #770001 ΔE 0.079
Use #66342C 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.