#604183
Closest named color: Dark Slate Blue (#483D8B). oklch(44.1% 0.109 304), rgb(96, 65, 131).
Aa
White text reads best on this color (8.13:1).
About this color
#604183 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.109 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 8.13:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.58:1 |
| White text | 8.13:1 |
Values
| HEX | #604183 |
| RGB | rgb(96, 65, 131) |
| HSL | hsl(268, 34%, 38%) |
| OKLCH | oklch(44.1% 0.109 304) |
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 #604183 | 8.13:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #604183 | 2.58:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #604183 text on white | 8.13:1 | AAA | Lc 88.0 | Fine for body text |
| #604183 text on black | 2.58:1 | Fails | Lc -14.2 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DED4ED
oklch(88.6% 0.036 303.8)
-
Step 300
300
#C9B7E3
oklch(80.9% 0.064 303.6)
-
Step 400
400
#AE91D5
oklch(70.8% 0.102 303.5)
-
Step 500
500
#9B74C9
oklch(63.2% 0.13 304.1)
-
Step 600
600
#865BB6
oklch(55.7% 0.142 304)
-
Step 700
700
#714A9C
oklch(49% 0.131 303.9)
-
Step 800
800 (this color)
#604183
oklch(44.1% 0.109 304)
-
Step 900
900
#4B3566
oklch(37.7% 0.085 303.3)
-
Step 950
950
#2C1F3C
oklch(27% 0.055 303.6)
#604183 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) | #2E4F85 | 0.079 |
| Deuteranopia (no green cones) | #364F81 | 0.072 |
| Tritanopia (no blue cones) | #5A4D5C | 0.082 |
| Achromatopsia (no color) | #4F4F4F | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604183
#604183
oklch(44.1% 0.109 304)
- #465C00
#465C00
oklch(44% 0.11 124.2)
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 #604183, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Twilight #4E518B ΔE 0.049
- Rebecca Purple #663399 ΔE 0.051
- Blueberry #464196 ΔE 0.055
- Dusk #4E5481 ΔE 0.058
- Dusty Grape #545775 ΔE 0.072
- Light Eggplant #894585 ΔE 0.080
- Denim Blue #3B5B92 ΔE 0.084
Use #604183 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.