#603675
Closest named color: Dark Slate Blue (#483D8B). oklch(41.3% 0.111 313.3), rgb(96, 54, 117).
Aa
White text reads best on this color (9.20:1).
About this color
#603675 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.111 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.057 away. White text reads best on it, at 9.20:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #603675 |
| RGB | rgb(96, 54, 117) |
| HSL | hsl(280, 37%, 34%) |
| OKLCH | oklch(41.3% 0.111 313.3) |
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 #603675 | 9.20:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #603675 | 2.28:1 | Fails | Lc 13.0 | Not readable |
| #603675 text on white | 9.20:1 | AAA | Lc 90.9 | Preferred for body text |
| #603675 text on black | 2.28:1 | Fails | Lc -11.4 | 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
#EEE6F3
oklch(93.5% 0.019 312.8)
-
Step 200
200
#E2D3EA
oklch(88.6% 0.035 314.1)
-
Step 300
300
#D0B5DF
oklch(81% 0.065 313.5)
-
Step 400
400
#B78DCE
oklch(70.6% 0.103 313.2)
-
Step 500
500
#A570C2
oklch(63.2% 0.132 312.8)
-
Step 600
600
#9156AE
oklch(55.6% 0.144 313.5)
-
Step 700
700
#7B4695
oklch(49.1% 0.133 313.5)
-
Step 800
800 (this color)
#603675
oklch(41.3% 0.111 313.3)
-
Step 900
900
#523262
oklch(37.7% 0.087 313.6)
-
Step 950
950
#301E39
oklch(27.1% 0.054 313.8)
#603675 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) | #274577 | 0.094 |
| Deuteranopia (no green cones) | #344973 | 0.085 |
| Tritanopia (no blue cones) | #5E4050 | 0.075 |
| Achromatopsia (no color) | #484848 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603675
#603675
oklch(41.3% 0.111 313.3)
- #31570A
#31570A
oklch(41.3% 0.11 133.4)
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 #603675, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.057
- Rebecca Purple #663399 ΔE 0.061
- Blueberry #464196 ΔE 0.073
- Twilight #4E518B ΔE 0.077
- Dusk #4E5481 ΔE 0.082
- Grape Purple #5D1451 ΔE 0.086
- Rich Purple #720058 ΔE 0.092
- Purple #800080 ΔE 0.092
Use #603675 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.