#603766
Closest named color: Purple Brown (#673A3F). oklch(40.6% 0.091 322.3), rgb(96, 55, 102).
Aa
White text reads best on this color (9.39:1).
About this color
#603766 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.091 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.071 away. White text reads best on it, at 9.39:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #603766 |
| RGB | rgb(96, 55, 102) |
| HSL | hsl(292, 30%, 31%) |
| OKLCH | oklch(40.6% 0.091 322.3) |
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 #603766 | 9.39:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #603766 | 2.23:1 | Fails | Lc 12.5 | Not readable |
| #603766 text on white | 9.39:1 | AAA | Lc 91.5 | Preferred for body text |
| #603766 text on black | 2.23:1 | Fails | Lc -10.9 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E3D3E5
oklch(88.5% 0.03 322.4)
-
Step 300
300
#D1B6D5
oklch(80.9% 0.052 321.9)
-
Step 400
400
#BA8FC0
oklch(70.7% 0.085 322.3)
-
Step 500
500
#A872B0
oklch(63% 0.109 322.2)
-
Step 600
600
#935A9C
oklch(55.6% 0.118 322)
-
Step 700
700
#7D4985
oklch(49% 0.11 322.1)
-
Step 800
800 (this color)
#603766
oklch(40.6% 0.091 322.3)
-
Step 900
900
#533458
oklch(37.7% 0.071 321.8)
-
Step 950
950
#311F33
oklch(27.1% 0.044 323.2)
#603766 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) | #314368 | 0.083 |
| Deuteranopia (no green cones) | #3C4865 | 0.075 |
| Tritanopia (no blue cones) | #613D49 | 0.057 |
| Achromatopsia (no color) | #464646 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603766
#603766
oklch(40.6% 0.091 322.3)
- #295525
#295525
oklch(40.5% 0.091 142.1)
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 #603766, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.071
- Brownish Purple #76424E ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.075
- Grape Purple #5D1451 ΔE 0.078
- Dusk #4E5481 ΔE 0.085
- Velvet #750851 ΔE 0.085
- Twilight #4E518B ΔE 0.086
- Rebecca Purple #663399 ΔE 0.087
Use #603766 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.