#66474C
Closest named color: Brownish Purple (#76424E). oklch(43.4% 0.043 8.3), rgb(102, 71, 76).
Aa
White text reads best on this color (8.16:1).
About this color
#66474C is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.043 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.032 away. White text reads best on it, at 8.16:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.57:1 |
| White text | 8.16:1 |
Values
| HEX | #66474C |
| RGB | rgb(102, 71, 76) |
| HSL | hsl(350, 18%, 34%) |
| OKLCH | oklch(43.4% 0.043 8.3) |
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 #66474C | 8.16:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #66474C | 2.57:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #66474C text on white | 8.16:1 | AAA | Lc 88.2 | Fine for body text |
| #66474C text on black | 2.57:1 | Fails | Lc -14.0 | 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 800.
-
Step 50
50
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE8E9
oklch(93.7% 0.008 7.3)
-
Step 200
200
#E2D5D7
oklch(88.4% 0.015 6.7)
-
Step 300
300
#D0BABD
oklch(80.8% 0.025 8.3)
-
Step 400
400
#B8979B
oklch(70.8% 0.04 9.9)
-
Step 500
500
#A67D83
oklch(63.1% 0.052 8.9)
-
Step 600
600
#91666D
oklch(55.7% 0.056 8.3)
-
Step 700
700
#7B545B
oklch(49% 0.053 7.4)
-
Step 800
800 (this color)
#66474C
oklch(43.4% 0.043 8.3)
-
Step 900
900
#523A3E
oklch(37.7% 0.035 7.8)
-
Step 950
950
#302224
oklch(27% 0.022 9.1)
#66474C 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) | #4C4C4C | 0.046 |
| Deuteranopia (no green cones) | #53514B | 0.043 |
| Tritanopia (no blue cones) | #6C4549 | 0.012 |
| Achromatopsia (no color) | #4F4F4F | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66474C
#66474C
oklch(43.4% 0.043 8.3)
- #335955
#335955
oklch(43.4% 0.044 187.1)
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 #66474C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.032
- Purple Brown #673A3F ΔE 0.036
- Dusty Grape #545775 ΔE 0.072
- Dark Mauve #874C62 ΔE 0.073
- Mud Brown #60460F ΔE 0.080
- Charcoal Grey #3C4142 ΔE 0.080
- Milk Chocolate #7F4E1E ΔE 0.082
- Dark Slate Gray #2F4F4F ΔE 0.086
Use #66474C 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.