#604CA9
Closest named color: Iris (#6258C4). oklch(48.5% 0.143 289.9), rgb(96, 76, 169).
Aa
White text reads best on this color (6.76:1).
About this color
#604CA9 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.143 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.049 away. White text reads best on it, at 6.76:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.10:1 |
| White text | 6.76:1 |
Values
| HEX | #604CA9 |
| RGB | rgb(96, 76, 169) |
| HSL | hsl(253, 38%, 48%) |
| OKLCH | oklch(48.5% 0.143 289.9) |
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 #604CA9 | 6.76:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #604CA9 | 3.10:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #604CA9 text on white | 6.76:1 | AA | Lc 83.1 | Fine for body text |
| #604CA9 text on black | 3.10:1 | AA large text | Lc -18.9 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F2
oklch(88.4% 0.04 290.3)
-
Step 300
300
#BFBAEB
oklch(81% 0.069 289.4)
-
Step 400
400
#9F94E1
oklch(70.6% 0.111 289.8)
-
Step 500
500
#8978D8
oklch(63% 0.141 289.9)
-
Step 600
600
#745FC6
oklch(55.6% 0.154 289.8)
-
Step 700
700 (this color)
#604CA9
oklch(48.5% 0.143 289.9)
-
Step 800
800
#50408A
oklch(42.7% 0.118 290.4)
-
Step 900
900
#42376F
oklch(37.7% 0.093 290.2)
-
Step 950
950
#262141
oklch(27.1% 0.058 289.1)
#604CA9 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) | #1D5DAC | 0.083 |
| Deuteranopia (no green cones) | #2059A7 | 0.080 |
| Tritanopia (no blue cones) | #4B6073 | 0.118 |
| Achromatopsia (no color) | #5B5B5B | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604CA9
#604CA9
oklch(48.5% 0.143 289.9)
- #636300
#636300
oklch(48.4% 0.105 109.8)
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 #604CA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.049
- Bluey Purple #6241C7 ΔE 0.054
- Twilight #4E518B ΔE 0.059
- Rebecca Purple #663399 ΔE 0.060
- Blueberry #464196 ΔE 0.061
- Blue With A Hint Of Purple #533CC6 ΔE 0.064
- Slate Blue #6A5ACD ΔE 0.066
- Light Indigo #6D5ACF ΔE 0.070
Use #604CA9 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.