#604C66
Closest named color: Dusty Grape (#545775). oklch(44.7% 0.049 318.3), rgb(96, 76, 102).
Aa
White text reads best on this color (7.71:1).
About this color
#604C66 is a dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.049 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.037 away. White text reads best on it, at 7.71:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.72:1 |
| White text | 7.71:1 |
Values
| HEX | #604C66 |
| RGB | rgb(96, 76, 102) |
| HSL | hsl(286, 15%, 35%) |
| OKLCH | oklch(44.7% 0.049 318.3) |
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 #604C66 | 7.71:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #604C66 | 2.72:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #604C66 text on white | 7.71:1 | AAA | Lc 86.8 | Fine for body text |
| #604C66 text on black | 2.72:1 | Fails | Lc -15.3 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8ED
oklch(93.6% 0.008 319.4)
-
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
#AD98B3
oklch(70.7% 0.045 318.7)
-
Step 500
500
#997FA0
oklch(63.2% 0.057 319)
-
Step 600
600
#83688B
oklch(55.6% 0.062 318.4)
-
Step 700
700
#6F5676
oklch(49.1% 0.059 318.8)
-
Step 800
800 (this color)
#604C66
oklch(44.7% 0.049 318.3)
-
Step 900
900
#4A3B4F
oklch(37.6% 0.039 317.6)
-
Step 950
950
#2B232E
oklch(27% 0.023 316.8)
#604C66 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) | #495267 | 0.039 |
| Deuteranopia (no green cones) | #4D5465 | 0.038 |
| Tritanopia (no blue cones) | #604F55 | 0.032 |
| Achromatopsia (no color) | #535353 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604C66
#604C66
oklch(44.7% 0.049 318.3)
- #475B41
#475B41
oklch(44.7% 0.048 138.6)
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 #604C66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.037
- Dusk #4E5481 ΔE 0.051
- Brownish Purple #76424E ΔE 0.054
- YInMn Blue #415A77 ΔE 0.059
- Twilight #4E518B ΔE 0.065
- Purple Brown #673A3F ΔE 0.068
- Dark Mauve #874C62 ΔE 0.072
- Slate #516572 ΔE 0.072
Use #604C66 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.