#604B94
Closest named color: Twilight (#4E518B). oklch(46.9% 0.116 294.8), rgb(96, 75, 148).
Aa
White text reads best on this color (7.16:1).
About this color
#604B94 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.116 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.036 away. White text reads best on it, at 7.16:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #604B94 |
| RGB | rgb(96, 75, 148) |
| HSL | hsl(257, 33%, 44%) |
| OKLCH | oklch(46.9% 0.116 294.8) |
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 #604B94 | 7.16:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #604B94 | 2.93:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #604B94 text on white | 7.16:1 | AAA | Lc 84.7 | Fine for body text |
| #604B94 text on black | 2.93:1 | Fails | Lc -17.3 | 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 700.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD6EC
oklch(88.6% 0.03 294.1)
-
Step 300
300
#C2BAE2
oklch(80.9% 0.056 294.3)
-
Step 400
400
#A496D3
oklch(70.8% 0.089 294.6)
-
Step 500
500
#8E7BC7
oklch(63.1% 0.113 294.4)
-
Step 600
600
#7962B4
oklch(55.5% 0.125 294.9)
-
Step 700
700 (this color)
#604B94
oklch(46.9% 0.116 294.8)
-
Step 800
800
#53437E
oklch(42.8% 0.096 294.5)
-
Step 900
900
#453965
oklch(37.8% 0.074 295.2)
-
Step 950
950
#28213B
oklch(26.9% 0.048 295.4)
#604B94 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) | #315897 | 0.069 |
| Deuteranopia (no green cones) | #355692 | 0.065 |
| Tritanopia (no blue cones) | #545968 | 0.093 |
| Achromatopsia (no color) | #585858 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604B94
#604B94
oklch(46.9% 0.116 294.8)
- #596100
#596100
oklch(46.9% 0.107 115.2)
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 #604B94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.036
- Dusk #4E5481 ΔE 0.051
- Blueberry #464196 ΔE 0.054
- Rebecca Purple #663399 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.059
- Dusky Blue #475F94 ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.065
- Dusty Grape #545775 ΔE 0.070
Use #604B94 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.