#604AB9
Closest named color: Bluey Purple (#6241C7). oklch(49.3% 0.168 287.7), rgb(96, 74, 185).
Aa
White text reads best on this color (6.60:1).
About this color
#604AB9 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.168 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.029 away. White text reads best on it, at 6.60:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.17:1 |
| White text | 6.60:1 |
Values
| HEX | #604AB9 |
| RGB | rgb(96, 74, 185) |
| HSL | hsl(252, 44%, 51%) |
| OKLCH | oklch(49.3% 0.168 287.7) |
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 #604AB9 | 6.60:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #604AB9 | 3.17:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #604AB9 text on white | 6.60:1 | AA | Lc 82.3 | Fine for body text |
| #604AB9 text on black | 3.17:1 | AA large text | Lc -19.6 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D7D5F6
oklch(88.5% 0.045 288.2)
-
Step 300
300
#BDB9F3
oklch(80.9% 0.081 287.6)
-
Step 400
400
#9D93ED
oklch(70.8% 0.13 287.7)
-
Step 500
500
#8675E7
oklch(63.1% 0.166 287.5)
-
Step 600
600
#715AD5
oklch(55.5% 0.181 287.6)
-
Step 700
700 (this color)
#604AB9
oklch(49.3% 0.168 287.7)
-
Step 800
800
#4E3D95
oklch(42.7% 0.138 288)
-
Step 900
900
#403577
oklch(37.7% 0.109 287.7)
-
Step 950
950
#252046
oklch(27.1% 0.069 286.9)
#604AB9 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) | #005FBD | 0.093 |
| Deuteranopia (no green cones) | #005AB7 | 0.092 |
| Tritanopia (no blue cones) | #42647A | 0.140 |
| Achromatopsia (no color) | #5D5D5D | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604AB9
#604AB9
oklch(49.3% 0.168 287.7)
- #686500
#686500
oklch(49.3% 0.106 107.7)
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 #604AB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.029
- Iris #6258C4 ΔE 0.036
- Blue With A Hint Of Purple #533CC6 ΔE 0.044
- Slate Blue #6A5ACD ΔE 0.051
- Blurple #5539CC ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.061
- Warm Blue #4B57DB ΔE 0.065
Use #604AB9 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.