#604CAC
Closest named color: Iris (#6258C4). oklch(48.7% 0.147 289.4), rgb(96, 76, 172).
Aa
White text reads best on this color (6.71:1).
About this color
#604CAC is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.147 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.046 away. White text reads best on it, at 6.71:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.12:1 |
| White text | 6.71:1 |
Values
| HEX | #604CAC |
| RGB | rgb(96, 76, 172) |
| HSL | hsl(252, 39%, 49%) |
| OKLCH | oklch(48.7% 0.147 289.4) |
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 #604CAC | 6.71:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #604CAC | 3.12:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #604CAC text on white | 6.71:1 | AA | Lc 82.8 | Fine for body text |
| #604CAC text on black | 3.12:1 | AA large text | Lc -19.1 | 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
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F2
oklch(88.4% 0.04 290.3)
-
Step 300
300
#BFBAEC
oklch(81% 0.07 289.3)
-
Step 400
400
#9F94E3
oklch(70.7% 0.114 289.5)
-
Step 500
500
#8978DB
oklch(63.2% 0.145 289.5)
-
Step 600
600
#735EC8
oklch(55.5% 0.158 289.3)
-
Step 700
700 (this color)
#604CAC
oklch(48.7% 0.147 289.4)
-
Step 800
800
#4F408C
oklch(42.7% 0.121 289.3)
-
Step 900
900
#413770
oklch(37.7% 0.095 289.1)
-
Step 950
950
#262142
oklch(27.1% 0.06 288.7)
#604CAC 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) | #185EAF | 0.085 |
| Deuteranopia (no green cones) | #1B59AA | 0.083 |
| Tritanopia (no blue cones) | #4A6174 | 0.122 |
| Achromatopsia (no color) | #5C5C5C | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604CAC
#604CAC
oklch(48.7% 0.147 289.4)
- #646400
#646400
oklch(48.7% 0.106 109.8)
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 #604CAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.046
- Bluey Purple #6241C7 ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.061
- Slate Blue #6A5ACD ΔE 0.062
- Blueberry #464196 ΔE 0.063
- Twilight #4E518B ΔE 0.063
- Light Indigo #6D5ACF ΔE 0.066
Use #604CAC 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.