#604C71
Closest named color: Dusty Grape (#545775). oklch(45.2% 0.064 308.7), rgb(96, 76, 113).
Aa
White text reads best on this color (7.58:1).
About this color
#604C71 is a medium-dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.064 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.035 away. White text reads best on it, at 7.58:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.76:1 |
| White text | 7.58:1 |
Values
| HEX | #604C71 |
| RGB | rgb(96, 76, 113) |
| HSL | hsl(272, 20%, 37%) |
| OKLCH | oklch(45.2% 0.064 308.7) |
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 #604C71 | 7.58:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #604C71 | 2.76:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #604C71 text on white | 7.58:1 | AAA | Lc 86.3 | Fine for body text |
| #604C71 text on black | 2.76:1 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DDD6E4
oklch(88.6% 0.02 308.2)
-
Step 300
300
#C7BBD3
oklch(80.9% 0.036 308)
-
Step 400
400
#AB97BD
oklch(70.7% 0.059 308.7)
-
Step 500
500
#977DAD
oklch(63.1% 0.076 308.9)
-
Step 600
600
#816698
oklch(55.6% 0.082 308.6)
-
Step 700
700
#6D5482
oklch(49% 0.077 308.6)
-
Step 800
800 (this color)
#604C71
oklch(45.2% 0.064 308.7)
-
Step 900
900
#493A56
oklch(37.6% 0.05 308.5)
-
Step 950
950
#2B2232
oklch(26.9% 0.032 309.9)
#604C71 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) | #455372 | 0.045 |
| Deuteranopia (no green cones) | #495470 | 0.042 |
| Tritanopia (no blue cones) | #5E5159 | 0.047 |
| Achromatopsia (no color) | #545454 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604C71
#604C71
oklch(45.2% 0.064 308.7)
- #4B5D36
#4B5D36
oklch(45.3% 0.064 128.9)
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 #604C71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.035
- Dusk #4E5481 ΔE 0.039
- Twilight #4E518B ΔE 0.049
- YInMn Blue #415A77 ΔE 0.057
- Brownish Purple #76424E ΔE 0.066
- Dusky Blue #475F94 ΔE 0.074
- Dark Mauve #874C62 ΔE 0.075
- Denim Blue #3B5B92 ΔE 0.075
Use #604C71 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.