#662A40
Closest named color: Purple Brown (#673A3F). oklch(37.6% 0.09 359.3), rgb(102, 42, 64).
Aa
White text reads best on this color (10.65:1).
About this color
#662A40 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.090 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.043 away. White text reads best on it, at 10.65:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.97:1 |
| White text | 10.65:1 |
Values
| HEX | #662A40 |
| RGB | rgb(102, 42, 64) |
| HSL | hsl(338, 42%, 28%) |
| OKLCH | oklch(37.6% 0.09 359.3) |
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 #662A40 | 10.65:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #662A40 | 1.97:1 | Fails | Lc 9.7 | Not readable |
| #662A40 text on white | 10.65:1 | AAA | Lc 94.3 | Preferred for body text |
| #662A40 text on black | 1.97:1 | Fails | Lc -8.3 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E5E9
oklch(93.7% 0.019 1.4)
-
Step 200
200
#EFCFD8
oklch(88.4% 0.038 359)
-
Step 300
300
#E6AFBF
oklch(80.9% 0.067 359.5)
-
Step 400
400
#D7839F
oklch(70.6% 0.108 358.8)
-
Step 500
500
#CA6287
oklch(63.1% 0.137 359.3)
-
Step 600
600
#B54671
oklch(55.6% 0.15 359.1)
-
Step 700
700
#9C375E
oklch(49.2% 0.139 359.7)
-
Step 800
800
#7F2E4D
oklch(42.7% 0.116 359.5)
-
Step 900
900 (this color)
#662A40
oklch(37.6% 0.09 359.3)
-
Step 950
950
#3C1926
oklch(26.9% 0.058 358.2)
#662A40 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) | #343741 | 0.099 |
| Deuteranopia (no green cones) | #44423F | 0.089 |
| Tritanopia (no blue cones) | #6E2532 | 0.027 |
| Achromatopsia (no color) | #3E3E3E | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662A40
#662A40
oklch(37.6% 0.09 359.3)
- #004D42
#004D42
oklch(37.6% 0.069 179)
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 #662A40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.043
- Merlot #730039 ΔE 0.058
- Bordeaux #7B002C ΔE 0.064
- Wine Red #7B0323 ΔE 0.066
- Grape Purple #5D1451 ΔE 0.067
- Wine #80013F ΔE 0.068
- Velvet #750851 ΔE 0.068
- Red Purple #820747 ΔE 0.070
Use #662A40 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.