#604091
Closest named color: Rebecca Purple (#663399). oklch(44.8% 0.129 299.4), rgb(96, 64, 145).
Aa
White text reads best on this color (7.95:1).
About this color
#604091 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.129 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.033 away. White text reads best on it, at 7.95:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.63:1 |
| White text | 7.95:1 |
Values
| HEX | #604091 |
| RGB | rgb(96, 64, 145) |
| HSL | hsl(264, 39%, 41%) |
| OKLCH | oklch(44.8% 0.129 299.4) |
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 #604091 | 7.95:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #604091 | 2.63:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #604091 text on white | 7.95:1 | AAA | Lc 87.3 | Fine for body text |
| #604091 text on black | 2.63:1 | Fails | Lc -14.8 | Not readable |
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 800.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD4F2
oklch(88.6% 0.042 299.2)
-
Step 300
300
#C7B6EB
oklch(80.8% 0.076 299.4)
-
Step 400
400
#AC8FE1
oklch(70.8% 0.121 299.6)
-
Step 500
500
#9871D9
oklch(63.2% 0.155 299.3)
-
Step 600
600
#8356C6
oklch(55.6% 0.169 299.4)
-
Step 700
700
#6F46AB
oklch(49.1% 0.156 299.3)
-
Step 800
800 (this color)
#604091
oklch(44.8% 0.129 299.4)
-
Step 900
900
#4A336F
oklch(37.8% 0.101 299.2)
-
Step 950
950
#2B1E41
oklch(26.9% 0.064 299.2)
#604091 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) | #1F5194 | 0.092 |
| Deuteranopia (no green cones) | #29508F | 0.085 |
| Tritanopia (no blue cones) | #565062 | 0.100 |
| Achromatopsia (no color) | #515151 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604091
#604091
oklch(44.8% 0.129 299.4)
- #4E5C00
#4E5C00
oklch(44.7% 0.105 119.4)
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 #604091, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.045
- Blueberry #464196 ΔE 0.045
- Twilight #4E518B ΔE 0.053
- Dusk #4E5481 ΔE 0.068
- Light Eggplant #894585 ΔE 0.084
- Denim Blue #3B5B92 ΔE 0.085
- Bluey Purple #6241C7 ΔE 0.086
Use #604091 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.