#604B8A
Closest named color: Twilight (#4E518B). oklch(46.3% 0.101 297.7), rgb(96, 75, 138).
Aa
White text reads best on this color (7.31:1).
About this color
#604B8A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.101 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.032 away. White text reads best on it, at 7.31:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.87:1 |
| White text | 7.31:1 |
Values
| HEX | #604B8A |
| RGB | rgb(96, 75, 138) |
| HSL | hsl(260, 30%, 42%) |
| OKLCH | oklch(46.3% 0.101 297.7) |
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 #604B8A | 7.31:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #604B8A | 2.87:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #604B8A text on white | 7.31:1 | AAA | Lc 85.3 | Fine for body text |
| #604B8A text on black | 2.87:1 | Fails | Lc -16.7 | 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 700.
-
Step 50
50
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DBD6E9
oklch(88.6% 0.026 297.9)
-
Step 300
300
#C4BADD
oklch(80.8% 0.05 298.3)
-
Step 400
400
#A696CC
oklch(70.6% 0.079 297.9)
-
Step 500
500
#917CBF
oklch(63.2% 0.101 297.9)
-
Step 600
600
#7B64AB
oklch(55.6% 0.11 297.6)
-
Step 700
700 (this color)
#604B8A
oklch(46.3% 0.101 297.7)
-
Step 800
800
#554477
oklch(42.7% 0.084 298.1)
-
Step 900
900
#463A60
oklch(37.8% 0.065 297.8)
-
Step 950
950
#292238
oklch(27% 0.041 298.2)
#604B8A 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) | #38568C | 0.062 |
| Deuteranopia (no green cones) | #3C5688 | 0.059 |
| Tritanopia (no blue cones) | #575664 | 0.079 |
| Achromatopsia (no color) | #565656 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604B8A
#604B8A
oklch(46.3% 0.101 297.7)
- #55600D
#55600D
oklch(46.4% 0.102 117.5)
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 #604B8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.032
- Dusk #4E5481 ΔE 0.041
- Dusty Grape #545775 ΔE 0.057
- Blueberry #464196 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.059
- Dusky Blue #475F94 ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.064
Use #604B8A 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.