#604B66
Closest named color: Dusty Grape (#545775). oklch(44.5% 0.051 318.6), rgb(96, 75, 102).
Aa
White text reads best on this color (7.79:1).
About this color
#604B66 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.051 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.039 away. White text reads best on it, at 7.79:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.69:1 |
| White text | 7.79:1 |
Values
| HEX | #604B66 |
| RGB | rgb(96, 75, 102) |
| HSL | hsl(287, 15%, 35%) |
| OKLCH | oklch(44.5% 0.051 318.6) |
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 #604B66 | 7.79:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #604B66 | 2.69:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #604B66 text on white | 7.79:1 | AAA | Lc 87.0 | Fine for body text |
| #604B66 text on black | 2.69:1 | Fails | Lc -15.1 | Dividers and decoration only |
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
#F7F5F7
oklch(97.2% 0.003 325.6)
-
Step 100
100
#ECE8EE
oklch(93.6% 0.009 314.8)
-
Step 200
200
#DED6E0
oklch(88.5% 0.016 319.4)
-
Step 300
300
#C9BBCD
oklch(80.9% 0.029 318.7)
-
Step 400
400
#AE98B4
oklch(70.8% 0.047 319)
-
Step 500
500
#997EA1
oklch(63% 0.06 318.4)
-
Step 600
600
#84678C
oklch(55.6% 0.066 318.9)
-
Step 700
700
#705677
oklch(49.2% 0.06 319)
-
Step 800
800 (this color)
#604B66
oklch(44.5% 0.051 318.6)
-
Step 900
900
#4B3B4F
oklch(37.7% 0.039 319.5)
-
Step 950
950
#2C232E
oklch(27.1% 0.024 320.1)
#604B66 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) | #485167 | 0.041 |
| Deuteranopia (no green cones) | #4C5365 | 0.039 |
| Tritanopia (no blue cones) | #604E54 | 0.034 |
| Achromatopsia (no color) | #525252 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604B66
#604B66
oklch(44.5% 0.051 318.6)
- #465B3F
#465B3F
oklch(44.6% 0.051 138)
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 #604B66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.039
- Dusk #4E5481 ΔE 0.051
- Brownish Purple #76424E ΔE 0.054
- YInMn Blue #415A77 ΔE 0.060
- Twilight #4E518B ΔE 0.065
- Purple Brown #673A3F ΔE 0.067
- Dark Mauve #874C62 ΔE 0.073
- Slate #516572 ΔE 0.075
Use #604B66 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.