#664254
Closest named color: Brownish Purple (#76424E). oklch(42.6% 0.056 348.3), rgb(102, 66, 84).
Aa
White text reads best on this color (8.49:1).
About this color
#664254 is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.056 and its hue 348°. 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 8.49:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.47:1 |
| White text | 8.49:1 |
Values
| HEX | #664254 |
| RGB | rgb(102, 66, 84) |
| HSL | hsl(330, 21%, 33%) |
| OKLCH | oklch(42.6% 0.056 348.3) |
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 #664254 | 8.49:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #664254 | 2.47:1 | Fails | Lc 14.8 | Not readable |
| #664254 text on white | 8.49:1 | AAA | Lc 89.1 | Fine for body text |
| #664254 text on black | 2.47:1 | Fails | Lc -13.1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E3D4DB
oklch(88.4% 0.019 347.5)
-
Step 300
300
#D2B8C4
oklch(80.8% 0.034 348.3)
-
Step 400
400
#BA94A6
oklch(70.7% 0.052 348.4)
-
Step 500
500
#A97990
oklch(63.1% 0.067 348.9)
-
Step 600
600
#94627B
oklch(55.7% 0.073 348.3)
-
Step 700
700
#7E5167
oklch(49.2% 0.067 349.1)
-
Step 800
800 (this color)
#664254
oklch(42.6% 0.056 348.3)
-
Step 900
900
#533845
oklch(37.6% 0.043 349)
-
Step 950
950
#312129
oklch(27% 0.028 347.7)
#664254 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) | #454955 | 0.059 |
| Deuteranopia (no green cones) | #4E4F53 | 0.055 |
| Tritanopia (no blue cones) | #6B4148 | 0.021 |
| Achromatopsia (no color) | #4D4D4D | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #664254
#664254
oklch(42.6% 0.056 348.3)
- #2D5949
#2D5949
oklch(42.7% 0.056 168)
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 #664254, 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 0.034
- Dusty Grape #545775 ΔE 0.071
- Dark Mauve #874C62 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.083
- Dusk #4E5481 ΔE 0.084
- YInMn Blue #415A77 ΔE 0.090
- Dark Slate Gray #2F4F4F ΔE 0.094
Use #664254 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.