#604E66
Closest named color: Dusty Grape (#545775). oklch(45.1% 0.044 317.6), rgb(96, 78, 102).
Aa
White text reads best on this color (7.55:1).
About this color
#604E66 is a medium-dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.044 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 0.034 away. White text reads best on it, at 7.55:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.77:1 |
| White text | 7.55:1 |
Values
| HEX | #604E66 |
| RGB | rgb(96, 78, 102) |
| HSL | hsl(285, 13%, 35%) |
| OKLCH | oklch(45.1% 0.044 317.6) |
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 #604E66 | 7.55:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #604E66 | 2.77:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #604E66 text on white | 7.55:1 | AAA | Lc 86.2 | Fine for body text |
| #604E66 text on black | 2.77:1 | Fails | Lc -15.8 | 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
#DDD6DF
oklch(88.4% 0.014 318.7)
-
Step 300
300
#C8BCCC
oklch(81% 0.026 317.7)
-
Step 400
400
#AC99B2
oklch(70.8% 0.042 318)
-
Step 500
500
#97809F
oklch(63.2% 0.053 317.3)
-
Step 600
600
#82698A
oklch(55.7% 0.058 317.9)
-
Step 700
700
#6D5775
oklch(49% 0.054 316.9)
-
Step 800
800 (this color)
#604E66
oklch(45.1% 0.044 317.6)
-
Step 900
900
#493C4E
oklch(37.7% 0.035 316.6)
-
Step 950
950
#2B232E
oklch(27% 0.023 316.8)
#604E66 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) | #4B5367 | 0.035 |
| Deuteranopia (no green cones) | #4F5565 | 0.033 |
| Tritanopia (no blue cones) | #605156 | 0.031 |
| Achromatopsia (no color) | #545454 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604E66
#604E66
oklch(45.1% 0.044 317.6)
- #4A5C43
#4A5C43
oklch(45.2% 0.045 137.1)
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 #604E66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.034
- Dusk #4E5481 ΔE 0.050
- Brownish Purple #76424E ΔE 0.055
- YInMn Blue #415A77 ΔE 0.056
- Twilight #4E518B ΔE 0.065
- Slate #516572 ΔE 0.067
- Purple Brown #673A3F ΔE 0.070
- Dark Mauve #874C62 ΔE 0.071
Use #604E66 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.