#604A74
Closest named color: Dusk (#4E5481). oklch(44.9% 0.072 307.7), rgb(96, 74, 116).
Aa
White text reads best on this color (7.69:1).
About this color
#604A74 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.072 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.040 away. White text reads best on it, at 7.69:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #604A74 |
| RGB | rgb(96, 74, 116) |
| HSL | hsl(271, 22%, 37%) |
| OKLCH | oklch(44.9% 0.072 307.7) |
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 #604A74 | 7.69:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #604A74 | 2.72:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #604A74 text on white | 7.69:1 | AAA | Lc 86.7 | Fine for body text |
| #604A74 text on black | 2.72:1 | Fails | Lc -15.4 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DDD5E5
oklch(88.4% 0.023 308.2)
-
Step 300
300
#C8BAD6
oklch(80.9% 0.042 307.9)
-
Step 400
400
#AC96C1
oklch(70.7% 0.066 307.9)
-
Step 500
500
#987BB2
oklch(63.1% 0.087 308.1)
-
Step 600
600
#82649E
oklch(55.6% 0.094 307.3)
-
Step 700
700
#6E5387
oklch(49.2% 0.086 307.3)
-
Step 800
800 (this color)
#604A74
oklch(44.9% 0.072 307.7)
-
Step 900
900
#4A3959
oklch(37.7% 0.057 308.2)
-
Step 950
950
#2B2234
oklch(27% 0.035 307)
#604A74 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) | #425276 | 0.050 |
| Deuteranopia (no green cones) | #465373 | 0.047 |
| Tritanopia (no blue cones) | #5D5059 | 0.054 |
| Achromatopsia (no color) | #535353 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604A74
#604A74
oklch(44.9% 0.072 307.7)
- #4A5D30
#4A5D30
oklch(45.1% 0.072 127.8)
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 #604A74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.040
- Dusty Grape #545775 ΔE 0.040
- Twilight #4E518B ΔE 0.046
- YInMn Blue #415A77 ΔE 0.062
- Brownish Purple #76424E ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.073
- Dusky Blue #475F94 ΔE 0.074
- Denim Blue #3B5B92 ΔE 0.075
Use #604A74 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.