#604DB0
Closest named color: Iris (#6258C4). oklch(49.2% 0.151 288.4), rgb(96, 77, 176).
Aa
White text reads best on this color (6.59:1).
About this color
#604DB0 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.151 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.040 away. White text reads best on it, at 6.59:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #604DB0 |
| RGB | rgb(96, 77, 176) |
| HSL | hsl(252, 39%, 50%) |
| OKLCH | oklch(49.2% 0.151 288.4) |
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 #604DB0 | 6.59:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #604DB0 | 3.18:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #604DB0 text on white | 6.59:1 | AA | Lc 82.3 | Fine for body text |
| #604DB0 text on black | 3.18:1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F3
oklch(88.4% 0.041 288.6)
-
Step 300
300
#BEBAEE
oklch(81% 0.073 288.2)
-
Step 400
400
#9E94E5
oklch(70.7% 0.117 288.7)
-
Step 500
500
#8777DE
oklch(63% 0.151 288.4)
-
Step 600
600
#725ECB
oklch(55.6% 0.162 288.4)
-
Step 700
700 (this color)
#604DB0
oklch(49.2% 0.151 288.4)
-
Step 800
800
#4E408E
oklch(42.8% 0.124 288.2)
-
Step 900
900
#403772
oklch(37.7% 0.098 287.8)
-
Step 950
950
#262043
oklch(27% 0.064 289.3)
#604DB0 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) | #145FB3 | 0.086 |
| Deuteranopia (no green cones) | #165AAE | 0.084 |
| Tritanopia (no blue cones) | #476377 | 0.126 |
| Achromatopsia (no color) | #5D5D5D | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604DB0
#604DB0
oklch(49.2% 0.151 288.4)
- #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 #604DB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.040
- Bluey Purple #6241C7 ΔE 0.045
- Slate Blue #6A5ACD ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.066
- Blurple #5539CC ΔE 0.066
- Rebecca Purple #663399 ΔE 0.066
Use #604DB0 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.