#603596
Closest named color: Rebecca Purple (#663399). oklch(43.4% 0.153 300.5), rgb(96, 53, 150).
Aa
White text reads best on this color (8.58:1).
About this color
#603596 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.153 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.013 away. White text reads best on it, at 8.58:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Values
| HEX | #603596 |
| RGB | rgb(96, 53, 150) |
| HSL | hsl(267, 48%, 40%) |
| OKLCH | oklch(43.4% 0.153 300.5) |
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 #603596 | 8.58:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #603596 | 2.44:1 | Fails | Lc 15.0 | Not readable |
| #603596 text on white | 8.58:1 | AAA | Lc 89.0 | Fine for body text |
| #603596 text on black | 2.44:1 | Fails | Lc -13.2 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#ECE6F9
oklch(93.5% 0.026 300.3)
-
Step 200
200
#DED2F6
oklch(88.5% 0.051 300.6)
-
Step 300
300
#CAB4F2
oklch(81% 0.089 300.7)
-
Step 400
400
#AF8AEB
oklch(70.7% 0.142 300.4)
-
Step 500
500
#9D69E5
oklch(63.1% 0.183 300.6)
-
Step 600
600
#884CD3
oklch(55.5% 0.199 300.4)
-
Step 700
700
#743CB7
oklch(49.1% 0.185 300.6)
-
Step 800
800 (this color)
#603596
oklch(43.4% 0.153 300.5)
-
Step 900
900
#4D2E76
oklch(37.7% 0.119 300.7)
-
Step 950
950
#2D1C45
oklch(27.1% 0.075 300.6)
#603596 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) | #004C99 | 0.114 |
| Deuteranopia (no green cones) | #0D4B94 | 0.110 |
| Tritanopia (no blue cones) | #544A60 | 0.115 |
| Achromatopsia (no color) | #4C4C4C | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603596
#603596
oklch(43.4% 0.153 300.5)
- #495900
#495900
oklch(43.5% 0.104 121)
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 #603596, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.013
- Dark Slate Blue #483D8B ΔE 0.049
- Blueberry #464196 ΔE 0.050
- Chrysanthemum #560BAD ΔE 0.073
- Grape #7209B7 ΔE 0.077
- Twilight #4E518B ΔE 0.078
- Bluey Purple #6241C7 ΔE 0.082
- Blue With A Hint Of Purple #533CC6 ΔE 0.082
Use #603596 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.