#604D78
Closest named color: Dusk (#4E5481). oklch(45.7% 0.072 304), rgb(96, 77, 120).
Aa
White text reads best on this color (7.42:1).
About this color
#604D78 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.072 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.034 away. White text reads best on it, at 7.42:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.83:1 |
| White text | 7.42:1 |
Values
| HEX | #604D78 |
| RGB | rgb(96, 77, 120) |
| HSL | hsl(267, 22%, 39%) |
| OKLCH | oklch(45.7% 0.072 304) |
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 #604D78 | 7.42:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #604D78 | 2.83:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #604D78 text on white | 7.42:1 | AAA | Lc 85.7 | Fine for body text |
| #604D78 text on black | 2.83:1 | Fails | Lc -16.3 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DCD6E6
oklch(88.6% 0.023 302.9)
-
Step 300
300
#C6BAD7
oklch(80.8% 0.042 304.2)
-
Step 400
400
#A997C3
oklch(70.7% 0.066 303.4)
-
Step 500
500
#957CB4
oklch(63% 0.087 304.5)
-
Step 600
600
#7F65A0
oklch(55.6% 0.094 303.8)
-
Step 700
700
#6B5489
oklch(49.1% 0.086 303.3)
-
Step 800
800 (this color)
#604D78
oklch(45.7% 0.072 304)
-
Step 900
900
#483A5A
oklch(37.7% 0.056 303.9)
-
Step 950
950
#2A2235
oklch(27% 0.036 303.4)
#604D78 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) | #44557A | 0.046 |
| Deuteranopia (no green cones) | #485577 | 0.043 |
| Tritanopia (no blue cones) | #5C545D | 0.055 |
| Achromatopsia (no color) | #555555 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604D78
#604D78
oklch(45.7% 0.072 304)
- #4F5E2F
#4F5E2F
oklch(45.7% 0.072 123.8)
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 #604D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.034
- Dusty Grape #545775 ΔE 0.035
- Twilight #4E518B ΔE 0.041
- YInMn Blue #415A77 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.066
- Denim Blue #3B5B92 ΔE 0.069
- Muted Purple #805B87 ΔE 0.073
- Light Navy Blue #2E5A88 ΔE 0.074
Use #604D78 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.