#604B77
Closest named color: Dusk (#4E5481). oklch(45.3% 0.074 305.5), rgb(96, 75, 119).
Aa
White text reads best on this color (7.58:1).
About this color
#604B77 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.074 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.037 away. White text reads best on it, at 7.58:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.77:1 |
| White text | 7.58:1 |
Values
| HEX | #604B77 |
| RGB | rgb(96, 75, 119) |
| HSL | hsl(269, 23%, 38%) |
| OKLCH | oklch(45.3% 0.074 305.5) |
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 #604B77 | 7.58:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #604B77 | 2.77:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #604B77 text on white | 7.58:1 | AAA | Lc 86.3 | Fine for body text |
| #604B77 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E6
oklch(88.4% 0.025 306.9)
-
Step 300
300
#C7BAD7
oklch(80.9% 0.043 305.7)
-
Step 400
400
#AB96C4
oklch(70.8% 0.07 305.5)
-
Step 500
500
#967CB4
oklch(63.1% 0.087 305.3)
-
Step 600
600
#8164A0
oklch(55.6% 0.096 305.7)
-
Step 700
700
#6D5389
oklch(49.2% 0.089 305.5)
-
Step 800
800 (this color)
#604B77
oklch(45.3% 0.074 305.5)
-
Step 900
900
#49395A
oklch(37.6% 0.058 306)
-
Step 950
950
#2B2235
oklch(27.1% 0.037 305.8)
#604B77 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) | #425379 | 0.049 |
| Deuteranopia (no green cones) | #465476 | 0.047 |
| Tritanopia (no blue cones) | #5D525B | 0.057 |
| Achromatopsia (no color) | #545454 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604B77
#604B77
oklch(45.3% 0.074 305.5)
- #4C5D2E
#4C5D2E
oklch(45.2% 0.073 125.5)
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 #604B77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.037
- Dusty Grape #545775 ΔE 0.039
- Twilight #4E518B ΔE 0.042
- YInMn Blue #415A77 ΔE 0.061
- Dusky Blue #475F94 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.072
- Denim Blue #3B5B92 ΔE 0.072
- Brownish Purple #76424E ΔE 0.074
Use #604B77 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.