#604BB4
Closest named color: Bluey Purple (#6241C7). oklch(49.1% 0.16 288.3), rgb(96, 75, 180).
Aa
White text reads best on this color (6.63:1).
About this color
#604BB4 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.160 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.037 away. White text reads best on it, at 6.63:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #604BB4 |
| RGB | rgb(96, 75, 180) |
| HSL | hsl(252, 41%, 50%) |
| OKLCH | oklch(49.1% 0.16 288.3) |
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 #604BB4 | 6.63:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #604BB4 | 3.16:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #604BB4 text on white | 6.63:1 | AA | Lc 82.5 | Fine for body text |
| #604BB4 text on black | 3.16:1 | AA large text | Lc -19.4 | 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 700.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F5
oklch(88.5% 0.044 288.3)
-
Step 300
300
#BEB9F0
oklch(80.9% 0.077 288.7)
-
Step 400
400
#9D93E9
oklch(70.6% 0.124 288.1)
-
Step 500
500
#8776E2
oklch(63.1% 0.158 288.2)
-
Step 600
600
#725CD0
oklch(55.6% 0.172 288.2)
-
Step 700
700 (this color)
#604BB4
oklch(49.1% 0.16 288.3)
-
Step 800
800
#4E3E92
oklch(42.7% 0.133 288.2)
-
Step 900
900
#403674
oklch(37.7% 0.102 287.9)
-
Step 950
950
#262044
oklch(27% 0.065 288.9)
#604BB4 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) | #005FB7 | 0.093 |
| Deuteranopia (no green cones) | #005AB2 | 0.092 |
| Tritanopia (no blue cones) | #456378 | 0.133 |
| Achromatopsia (no color) | #5C5C5C | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604BB4
#604BB4
oklch(49.1% 0.16 288.3)
- #676500
#676500
oklch(49.2% 0.106 108.4)
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 #604BB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.037
- Iris #6258C4 ΔE 0.039
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.054
- Blurple #5539CC ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.066
Use #604BB4 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.